Educ 512 mountains and volcanoes presentation
•Download as PPTX, PDF•
0 likes•387 views
This document summarizes different types of mountains and volcanoes. It discusses folded mountains which form as continental crust crumples and bends into folds. Fault block mountains form as blocks of rock move up or down along normal faults. Volcanoes are openings where molten rock and gases erupt. The document also discusses lava, pyroclastic flows, acid rain, and geysers. It provides information on how movement of rocks can build mountains through processes like subduction and mountain ranges forming belts. Mountains can wear down over time through erosion by water and wind.
Report
Share
Report
Share
Recommended
Landform Notes
The document summarizes the key layers that make up Earth's structure, from crust to inner core. It then discusses plate tectonics and how the movement and convergence of tectonic plates results in one plate being pushed under another. Evidence of past tectonic motion comes from matching rock types and fossils on opposite sides of oceans.
SOSE Chapter 8
The document describes different types of landforms and the geological and surface processes that create and modify them. It discusses key landforms like mountains, hills, valleys, and plains. It explains how plate tectonics and forces like folding and volcanism shape the Earth's surface. Weathering and erosion are also summarized as surface processes that break down and transport rock and sediment over time. Examples are given to illustrate different landforms and the geological forces that form them.
The Moon & Planetary Geology
The document discusses several key geologic processes that shape planets:
1) Plate tectonics involves sections of Earth's crust moving above the mantle in convection currents, causing earthquakes and volcanic activity along fault lines.
2) Weathering and erosion gradually break down and wear away rocks through processes like wind, water, ice, and organisms.
3) Impact cratering occurs when asteroids and comets collide with planetary surfaces at high speeds, leaving indentations called craters.
4) These processes continually reshape the Earth and other planets over long periods of time.
Earth science 10.1
This document discusses different types of volcanoes and volcanic landforms. It describes shield volcanoes as having quiet eruptions of fluid basaltic lava, building broad domes like those of the Hawaiian Islands. Cinder cones violently eject gas-rich basaltic magma in short eruptions lasting weeks to years. Composite cones have characteristics of both shield and cinder cones, and can produce pyroclastic flows moving downslope at 100 mph. Calderas are large depressions caused by the collapse of a volcano's top after eruption, often forming lakes. The document also mentions lava plateaus formed by numerous fissure eruptions like Columbia's.
Volcano stations
This document provides information about a station-based volcano education program. The stations cover topics like classifying volcanoes, eruption types, magma composition, and volcanic hazards and benefits. At each station, students fill out worksheets or do activities to learn about parts of volcanoes, what causes eruptions, how silica and water content determine explosivity, different lava and pyroclastic material types, and examples of shield, cinder cone, and composite volcanoes. Math problems calculate totals, differences, distances, times, costs, and rates related to volcanic eruptions, ash and lava flows, and operating robots. The goal is to help students understand volcanoes through hands-on activities at multiple informative stations.
VOLCANOES for CAMBRIDGE A LEVEL
this power point talks about the causes, impacts and management strategies of volcanoes. it describe about the types of lava flow and types of volcanoes also,
Parts of a Volcano
A magma chamber is a large underground pool of molten rock found beneath the Earth's surface. The pressure from the magma can fracture the surrounding rock over time, creating pathways for the magma to travel through conduits and erupt at the surface in events like volcanic eruptions. When magma erupts at the surface, it is called lava and can take different forms like pahoehoe, a'a, or pillow lava depending on its viscosity and cooling conditions.
Introduction to volcanoes!
Volcanoes form when magma from beneath the Earth's surface is forced up through openings in the crust called vents. They occur at plate boundaries where tectonic plates are moving together or apart, as well as at hot spots where areas of the mantle are unusually hot and melt rock that rises toward the surface. Common examples of active volcanoes include Kilauea volcano in Hawaii and volcanoes in Iceland, Mexico, Ecuador, Indonesia, and Costa Rica.
Recommended
Landform Notes
The document summarizes the key layers that make up Earth's structure, from crust to inner core. It then discusses plate tectonics and how the movement and convergence of tectonic plates results in one plate being pushed under another. Evidence of past tectonic motion comes from matching rock types and fossils on opposite sides of oceans.
SOSE Chapter 8
The document describes different types of landforms and the geological and surface processes that create and modify them. It discusses key landforms like mountains, hills, valleys, and plains. It explains how plate tectonics and forces like folding and volcanism shape the Earth's surface. Weathering and erosion are also summarized as surface processes that break down and transport rock and sediment over time. Examples are given to illustrate different landforms and the geological forces that form them.
The Moon & Planetary Geology
The document discusses several key geologic processes that shape planets:
1) Plate tectonics involves sections of Earth's crust moving above the mantle in convection currents, causing earthquakes and volcanic activity along fault lines.
2) Weathering and erosion gradually break down and wear away rocks through processes like wind, water, ice, and organisms.
3) Impact cratering occurs when asteroids and comets collide with planetary surfaces at high speeds, leaving indentations called craters.
4) These processes continually reshape the Earth and other planets over long periods of time.
Earth science 10.1
This document discusses different types of volcanoes and volcanic landforms. It describes shield volcanoes as having quiet eruptions of fluid basaltic lava, building broad domes like those of the Hawaiian Islands. Cinder cones violently eject gas-rich basaltic magma in short eruptions lasting weeks to years. Composite cones have characteristics of both shield and cinder cones, and can produce pyroclastic flows moving downslope at 100 mph. Calderas are large depressions caused by the collapse of a volcano's top after eruption, often forming lakes. The document also mentions lava plateaus formed by numerous fissure eruptions like Columbia's.
Volcano stations
This document provides information about a station-based volcano education program. The stations cover topics like classifying volcanoes, eruption types, magma composition, and volcanic hazards and benefits. At each station, students fill out worksheets or do activities to learn about parts of volcanoes, what causes eruptions, how silica and water content determine explosivity, different lava and pyroclastic material types, and examples of shield, cinder cone, and composite volcanoes. Math problems calculate totals, differences, distances, times, costs, and rates related to volcanic eruptions, ash and lava flows, and operating robots. The goal is to help students understand volcanoes through hands-on activities at multiple informative stations.
VOLCANOES for CAMBRIDGE A LEVEL
this power point talks about the causes, impacts and management strategies of volcanoes. it describe about the types of lava flow and types of volcanoes also,
Parts of a Volcano
A magma chamber is a large underground pool of molten rock found beneath the Earth's surface. The pressure from the magma can fracture the surrounding rock over time, creating pathways for the magma to travel through conduits and erupt at the surface in events like volcanic eruptions. When magma erupts at the surface, it is called lava and can take different forms like pahoehoe, a'a, or pillow lava depending on its viscosity and cooling conditions.
Introduction to volcanoes!
Volcanoes form when magma from beneath the Earth's surface is forced up through openings in the crust called vents. They occur at plate boundaries where tectonic plates are moving together or apart, as well as at hot spots where areas of the mantle are unusually hot and melt rock that rises toward the surface. Common examples of active volcanoes include Kilauea volcano in Hawaii and volcanoes in Iceland, Mexico, Ecuador, Indonesia, and Costa Rica.
Factors affecting the impact of volcanoes
Factors such as: Types of Volcanic material ejected, The types of eruptions, and geographical location of a place are some of the factors that affect the impact of volcanoes
Chapt10.1 volcanoes
This document discusses different types of volcanic activity and features. It describes how viscosity and chemical composition affect lava flow rates. Eruptions are driven by dissolved gases like water vapor and carbon dioxide. The three main types of volcanoes are shield volcanoes, cinder cones, and composite cones. Shield volcanoes form broad domes from fluid basaltic lava flows. Cinder cones eject ash and lapilli and have short lifespans. Composite cones, also called stratovolcanoes, are the most dangerous type and located along tectonic plate boundaries.
Volcanoes
Volcanoes form at three main types of boundaries: convergent plate boundaries, divergent plate boundaries, and at hot spots within tectonic plates. Magma rises from below the Earth's surface through vents or fissures to erupt as volcanoes. There are three main types of volcanic cones - shield volcanoes which have low-angle eruptions of basaltic lava, cinder cones which are small and steep with explosive eruptions, and composite or stratovolcanoes which are large mountains composed of hardened lava and tephra from alternating eruptions. Volcanic eruptions can produce hazards such as lava flows, tephra falls, lahars, pyrocl
volcanoes
Volcanic eruptions occur when magma rises from the Earth's mantle and crust towards the surface. Magma is less dense than the solid rock around it, causing it to rise. There are different types of volcanic eruptions depending on the viscosity of the magma, ranging from nonexplosive eruptions from shield volcanoes to more explosive eruptions from composite and cinder cone volcanoes. Volcanic activity is commonly found at plate boundaries and hot spots, building new crust at mid-ocean ridges and landforms like island arcs.
Volcanoes and eruptions
Volcanoes form at plate boundaries or in hotspots in the mantle not associated with plate boundaries. There are three main types of volcanoes: shield volcanoes which have gentle slopes built up from fluid lava flows; cinder cone volcanoes which are steep sided due to explosive eruptions throwing tephra into the air; and composite volcanoes which have layers of both lava and tephra from eruptions that alternate between explosive and nonexplosive. The amount of gas and silica in magma determines the explosiveness of an eruption, with more gas and less silica leading to more violent eruptions as the gas escapes quickly closer to the surface.
Ahtesham qureshi
Magma is a hot, viscous, silica-rich liquid containing gases found beneath the Earth's surface. It collects in magma chambers located beneath volcanoes. Magma travels through pipes from the chamber and exits through vents, forming lava flows and building up around the vent to form a crater. When magma or lava cools and solidifies, it becomes igneous rock. Sediment is weathered material transported by forces like wind and water, and its compaction and cementation forms sedimentary rock. Metamorphic rock is formed from the solid state transformation of existing rock.
Volcanoes
Volcanoes are formed when magma from the Earth's upper mantle works its way to the surface and erupts. They are classified as active if erupting recently, dormant if not erupting recently but could in the future, or extinct if not likely to erupt again. When tectonic plates collide or move apart, the friction can cause volcanic eruptions near the plate boundaries due to changes in pressure. Magma becomes lava when it reaches the surface of the volcano. Explosive eruptions can send ash high into the sky and pose catastrophic hazards, while effusive eruptions allow lava to flow out more slowly.
Earth Science 6.1 : Volcanic Eruptions
This document discusses volcanic eruptions, describing the differences between nonexplosive and explosive eruptions. Nonexplosive eruptions produce slow lava flows while explosive eruptions blast debris into the air. The type of eruption depends on the composition of the magma, particularly its silica, water, and gas content. Magma erupts as either lava or pyroclastic material like volcanic ash, bombs, and blocks.
Volcano Vocabulary
The document defines key volcanic terms like volcano, vent, crater, magma, lava, and plate tectonics. It then describes the main types of volcanoes including shield volcanoes formed by basalt at divergent boundaries, cinder cone volcanoes formed by andesite, and composite volcanoes formed by layers of tephra and lava at convergent boundaries. It also mentions hot spot volcanoes formed by magma breaking through the crust in areas not located at plate boundaries, like Hawaii.
Glacial landforms
The document contains photos and descriptions of various glacial landforms and features. It includes images and explanations of niche glaciers in Wyoming, an ice cap on Cotopaxi volcano in Ecuador, glaciers in Alaska and West Greenland, retreating glaciers in New Zealand and Canada, glacial erosion features like striations and erratics, lateral and terminal moraines on Bylot Island, and diagrams labeling landforms created by glacial erosion and deposition including U-shaped valleys, hanging valleys, and drumlins.
Powerpoint ii
Volcanoes are formed when magma travels through the earth's mantle and crust, emerging as lava on the surface where it hardens into mountains. The main components of volcanoes are lava and ash. Most volcanoes are located near tectonic plate boundaries under the oceans. There are four main types of volcanoes that differ in shape. Volcanic eruptions can be triggered by pressure from gases, chemical reactions, or new magma injections. Eruptions expel lava, gas, and ash, which can block the sun for years and destroy nearby towns.
4.4 volcanic eruptions
This document defines key vocabulary related to volcanic eruptions and lava formations. It describes the two main types of lava - mafic lava which is dark and rich in magnesium/iron, and felsic lava which is lighter and contains more silica. The document outlines different rock formations that can occur from cooling lava like pahoehoe and aa. It also discusses pyroclastic materials ejected during explosive eruptions and the features of different volcano types.
Types of Mountains
This document discusses different types of mountains including volcanic, fault-block, folded, and dome mountains. Volcanic mountains form from magma erupting at the surface, building up layers of ash and lava. Folded mountains like the Himalayas and Andes form from tectonic plate collisions that cause the earth's crust to fold upwards. Fault-block mountains form when faults in the crust force rock blocks upwards. Dome mountains form when magma pushes up rock layers into a dome shape without erupting. Examples of each type are provided.
Lava powerpoint
Volcanoes form as a result of plate tectonics where sections of the Earth's crust collide. There are an estimated 550 active volcanoes worldwide that erupt on average 55 times per year. The main types of volcanoes are shield volcanoes, which form broad low mountains from basaltic lava flows, and composite volcanoes, which form steep symmetrical mountains from explosive eruptions of silica-rich lava. When volcanoes erupt they release gases like water vapor, carbon dioxide and sulfur dioxide that can cause air pollution, acid rain and respiratory issues. Ash and lava flows are also hazards that can damage structures, ignite fires and create dangerous driving conditions.
The formation of mountains
There are several types of mountains formed by different geological processes. Fold mountains like the Himalayas are formed when tectonic plates collide and the Earth's surface crumples upwards. Fault block mountains such as the Sierra Nevada form when cracks open in the Earth's surface, pushing rock upwards in blocks. Dome mountains like Bear Butte have a rounded shape caused by magma pushing up from below without erupting. Volcanic mountains form around volcanoes from ash and cooled lava. Plateau mountains result from erosion carving away surrounding material and leaving high cliffs.
Effects of the geosphere grade 5
The document discusses components of the geosphere and changes that occur to it. It defines key terms like crust, mantle, volcanoes, and tectonic plates. It explains how plate tectonics and movement in the mantle can cause volcanoes, earthquakes, and mountains. Landforms on the earth's surface can change over time due to these processes, as well as weathering, erosion and deposition.
Volcanoes
Volcanoes form when magma rises up from below the Earth's surface and erupts through openings called vents. There are several types of volcanoes defined by their shape and eruption characteristics. Shield volcanoes have gentle slopes and erupt runny basalt lava, while composite volcanoes are steep-sided and erupt thicker, stickier magma in more explosive eruptions. Cinder cones erupt small fragments and form small, cone-shaped volcanoes. Lava domes form when thick lava piles up in mounds. Volcanoes are caused by the movement of tectonic plates, which can allow magma to rise up in between the plates. Geysers, which are hot springs
Volcanoes
Volcanoes produce different types of lava and erupt in various ways, sometimes causing hazardous flows like pyroclastic flows and lahars. Mount Hood in Oregon exemplifies an andesitic stratovolcano that has produced lava flows and generated lahars through dome collapses, posing risks to nearby areas. The 1986 gas eruption from Lake Nyos in Cameroon killed over 1,700 people by releasing carbon dioxide that pooled in low-lying areas.
Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volc...
briefly introduction about Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volcanism,Volcanic EruptionsVolcanic Products,Locating Earthquakes,Measuring The “Size” Of Earthquakes,World Earthquake Distribution,Effects Of Earthquakes
CSEC GEOGRAPHY- Types of rocks
This document discuss the types of rock in detail. A definition is also given. Various examples of different types of each rock is also given/
GEOG101 Chapter 3 Lecture
This document provides an overview of earth materials, geologic time, movements of the continents, tectonic forces, and gradational and erosional processes that shape the earth's surface. It describes the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are formed. It also explains plate tectonics theory and how the movement of tectonic plates results in diverse landforms globally.
GEOG101 Chapt03 lecture
This document provides an overview of earth materials, geologic time, movements of the continents, tectonic forces, and gradational and erosional processes that shape landforms and landform regions. It describes the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are formed. It also explains plate tectonics theory and how the movement of tectonic plates results in diverse landforms and geological phenomena like earthquakes and volcanoes globally.
More Related Content
What's hot
Factors affecting the impact of volcanoes
Factors such as: Types of Volcanic material ejected, The types of eruptions, and geographical location of a place are some of the factors that affect the impact of volcanoes
Chapt10.1 volcanoes
This document discusses different types of volcanic activity and features. It describes how viscosity and chemical composition affect lava flow rates. Eruptions are driven by dissolved gases like water vapor and carbon dioxide. The three main types of volcanoes are shield volcanoes, cinder cones, and composite cones. Shield volcanoes form broad domes from fluid basaltic lava flows. Cinder cones eject ash and lapilli and have short lifespans. Composite cones, also called stratovolcanoes, are the most dangerous type and located along tectonic plate boundaries.
Volcanoes
Volcanoes form at three main types of boundaries: convergent plate boundaries, divergent plate boundaries, and at hot spots within tectonic plates. Magma rises from below the Earth's surface through vents or fissures to erupt as volcanoes. There are three main types of volcanic cones - shield volcanoes which have low-angle eruptions of basaltic lava, cinder cones which are small and steep with explosive eruptions, and composite or stratovolcanoes which are large mountains composed of hardened lava and tephra from alternating eruptions. Volcanic eruptions can produce hazards such as lava flows, tephra falls, lahars, pyrocl
volcanoes
Volcanic eruptions occur when magma rises from the Earth's mantle and crust towards the surface. Magma is less dense than the solid rock around it, causing it to rise. There are different types of volcanic eruptions depending on the viscosity of the magma, ranging from nonexplosive eruptions from shield volcanoes to more explosive eruptions from composite and cinder cone volcanoes. Volcanic activity is commonly found at plate boundaries and hot spots, building new crust at mid-ocean ridges and landforms like island arcs.
Volcanoes and eruptions
Volcanoes form at plate boundaries or in hotspots in the mantle not associated with plate boundaries. There are three main types of volcanoes: shield volcanoes which have gentle slopes built up from fluid lava flows; cinder cone volcanoes which are steep sided due to explosive eruptions throwing tephra into the air; and composite volcanoes which have layers of both lava and tephra from eruptions that alternate between explosive and nonexplosive. The amount of gas and silica in magma determines the explosiveness of an eruption, with more gas and less silica leading to more violent eruptions as the gas escapes quickly closer to the surface.
Ahtesham qureshi
Magma is a hot, viscous, silica-rich liquid containing gases found beneath the Earth's surface. It collects in magma chambers located beneath volcanoes. Magma travels through pipes from the chamber and exits through vents, forming lava flows and building up around the vent to form a crater. When magma or lava cools and solidifies, it becomes igneous rock. Sediment is weathered material transported by forces like wind and water, and its compaction and cementation forms sedimentary rock. Metamorphic rock is formed from the solid state transformation of existing rock.
Volcanoes
Volcanoes are formed when magma from the Earth's upper mantle works its way to the surface and erupts. They are classified as active if erupting recently, dormant if not erupting recently but could in the future, or extinct if not likely to erupt again. When tectonic plates collide or move apart, the friction can cause volcanic eruptions near the plate boundaries due to changes in pressure. Magma becomes lava when it reaches the surface of the volcano. Explosive eruptions can send ash high into the sky and pose catastrophic hazards, while effusive eruptions allow lava to flow out more slowly.
Earth Science 6.1 : Volcanic Eruptions
This document discusses volcanic eruptions, describing the differences between nonexplosive and explosive eruptions. Nonexplosive eruptions produce slow lava flows while explosive eruptions blast debris into the air. The type of eruption depends on the composition of the magma, particularly its silica, water, and gas content. Magma erupts as either lava or pyroclastic material like volcanic ash, bombs, and blocks.
Volcano Vocabulary
The document defines key volcanic terms like volcano, vent, crater, magma, lava, and plate tectonics. It then describes the main types of volcanoes including shield volcanoes formed by basalt at divergent boundaries, cinder cone volcanoes formed by andesite, and composite volcanoes formed by layers of tephra and lava at convergent boundaries. It also mentions hot spot volcanoes formed by magma breaking through the crust in areas not located at plate boundaries, like Hawaii.
Glacial landforms
The document contains photos and descriptions of various glacial landforms and features. It includes images and explanations of niche glaciers in Wyoming, an ice cap on Cotopaxi volcano in Ecuador, glaciers in Alaska and West Greenland, retreating glaciers in New Zealand and Canada, glacial erosion features like striations and erratics, lateral and terminal moraines on Bylot Island, and diagrams labeling landforms created by glacial erosion and deposition including U-shaped valleys, hanging valleys, and drumlins.
Powerpoint ii
Volcanoes are formed when magma travels through the earth's mantle and crust, emerging as lava on the surface where it hardens into mountains. The main components of volcanoes are lava and ash. Most volcanoes are located near tectonic plate boundaries under the oceans. There are four main types of volcanoes that differ in shape. Volcanic eruptions can be triggered by pressure from gases, chemical reactions, or new magma injections. Eruptions expel lava, gas, and ash, which can block the sun for years and destroy nearby towns.
4.4 volcanic eruptions
This document defines key vocabulary related to volcanic eruptions and lava formations. It describes the two main types of lava - mafic lava which is dark and rich in magnesium/iron, and felsic lava which is lighter and contains more silica. The document outlines different rock formations that can occur from cooling lava like pahoehoe and aa. It also discusses pyroclastic materials ejected during explosive eruptions and the features of different volcano types.
Types of Mountains
This document discusses different types of mountains including volcanic, fault-block, folded, and dome mountains. Volcanic mountains form from magma erupting at the surface, building up layers of ash and lava. Folded mountains like the Himalayas and Andes form from tectonic plate collisions that cause the earth's crust to fold upwards. Fault-block mountains form when faults in the crust force rock blocks upwards. Dome mountains form when magma pushes up rock layers into a dome shape without erupting. Examples of each type are provided.
Lava powerpoint
Volcanoes form as a result of plate tectonics where sections of the Earth's crust collide. There are an estimated 550 active volcanoes worldwide that erupt on average 55 times per year. The main types of volcanoes are shield volcanoes, which form broad low mountains from basaltic lava flows, and composite volcanoes, which form steep symmetrical mountains from explosive eruptions of silica-rich lava. When volcanoes erupt they release gases like water vapor, carbon dioxide and sulfur dioxide that can cause air pollution, acid rain and respiratory issues. Ash and lava flows are also hazards that can damage structures, ignite fires and create dangerous driving conditions.
The formation of mountains
There are several types of mountains formed by different geological processes. Fold mountains like the Himalayas are formed when tectonic plates collide and the Earth's surface crumples upwards. Fault block mountains such as the Sierra Nevada form when cracks open in the Earth's surface, pushing rock upwards in blocks. Dome mountains like Bear Butte have a rounded shape caused by magma pushing up from below without erupting. Volcanic mountains form around volcanoes from ash and cooled lava. Plateau mountains result from erosion carving away surrounding material and leaving high cliffs.
Effects of the geosphere grade 5
The document discusses components of the geosphere and changes that occur to it. It defines key terms like crust, mantle, volcanoes, and tectonic plates. It explains how plate tectonics and movement in the mantle can cause volcanoes, earthquakes, and mountains. Landforms on the earth's surface can change over time due to these processes, as well as weathering, erosion and deposition.
Volcanoes
Volcanoes form when magma rises up from below the Earth's surface and erupts through openings called vents. There are several types of volcanoes defined by their shape and eruption characteristics. Shield volcanoes have gentle slopes and erupt runny basalt lava, while composite volcanoes are steep-sided and erupt thicker, stickier magma in more explosive eruptions. Cinder cones erupt small fragments and form small, cone-shaped volcanoes. Lava domes form when thick lava piles up in mounds. Volcanoes are caused by the movement of tectonic plates, which can allow magma to rise up in between the plates. Geysers, which are hot springs
Volcanoes
Volcanoes produce different types of lava and erupt in various ways, sometimes causing hazardous flows like pyroclastic flows and lahars. Mount Hood in Oregon exemplifies an andesitic stratovolcano that has produced lava flows and generated lahars through dome collapses, posing risks to nearby areas. The 1986 gas eruption from Lake Nyos in Cameroon killed over 1,700 people by releasing carbon dioxide that pooled in low-lying areas.
Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volc...
briefly introduction about Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volcanism,Volcanic EruptionsVolcanic Products,Locating Earthquakes,Measuring The “Size” Of Earthquakes,World Earthquake Distribution,Effects Of Earthquakes
CSEC GEOGRAPHY- Types of rocks
This document discuss the types of rock in detail. A definition is also given. Various examples of different types of each rock is also given/
What's hot (20)
Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volc...
Volcanoes,Fault Zone And Earthquakes,,Seismograph,Body Waves,Features Of Volc...
Similar to Educ 512 mountains and volcanoes presentation
GEOG101 Chapter 3 Lecture
This document provides an overview of earth materials, geologic time, movements of the continents, tectonic forces, and gradational and erosional processes that shape the earth's surface. It describes the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are formed. It also explains plate tectonics theory and how the movement of tectonic plates results in diverse landforms globally.
GEOG101 Chapt03 lecture
This document provides an overview of earth materials, geologic time, movements of the continents, tectonic forces, and gradational and erosional processes that shape landforms and landform regions. It describes the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are formed. It also explains plate tectonics theory and how the movement of tectonic plates results in diverse landforms and geological phenomena like earthquakes and volcanoes globally.
1585772648305 gr 11 geography
1. The document provides information on geomorphology and the topography associated with horizontally layered rocks, including key terms, characteristics, and processes related to the development of hilly landscapes, basaltic plateaus, canyon landscapes, and Karoo landscapes.
2. Important concepts defined include weathering, erosion, sedimentary and igneous rocks, and landforms such as mesas, buttes, and conical hills.
3. Processes of scarp retreat and backwasting are described, as well as how different landforms are utilized by people.
A2 Physical Geography - Hot arid and Semi Arid Environment
The document discusses several key points about deserts and their formation:
1. Ocean currents play a major role in creating arid conditions in coastal deserts by lowering temperatures and reducing precipitation. The cold Benguela and Peruvian currents cause aridity in the Namib and Atacama deserts.
2. Other factors that contribute to desertification include high pressure systems, mountains that create rain shadows, and distance from the ocean. The Himalayas and Andes cause rain shadows in the Thar and Patagonia deserts.
3. Various landforms are shaped by wind and water processes in arid environments, including yardangs, zeugens, and alluvial fans.
The processes that have shaped
The document summarizes how the Earth's features were formed through geological processes over billions of years. It describes how the Earth accreted from dust and debris, developed an atmosphere and oceans, and cooled to form a solid crust. It explains plate tectonics drives features like earthquakes at plate boundaries, underwater mountain ranges at divergent boundaries, volcanoes at convergent boundaries, and how mountains can form during plate collisions. Agents of erosion like wind, water and chemicals further sculpt the landscape over immense timescales.
Major landforms of the earth
This document discusses the major landforms of the Earth. It describes landforms as natural shapes or features on the Earth's surface, including mountains, valleys, plateaus, plains, islands, and peninsulas. Mountains form through various geological processes like folding, faulting, volcanic activity, and erosion. There are different types of mountains such as fold mountains, block mountains, volcanic mountains, and residual mountains. Valleys can be V-shaped, U-shaped, or flat-floored. Other landforms discussed include plateaus, plains, islands, and peninsulas.
5.1Movement of Rock Builds Mountains
Mountains form primarily along tectonic plate boundaries as a result of the movement and collisions of plates. Rocks found at mountain locations, such as Mt. Everest, contain evidence of this plate movement, including marine fossils from ancient oceans. Mountains grow taller as long as uplift rates exceed weathering and erosion rates. Over millions of years, weathering and erosion will eventually reduce tall mountain ranges to flattened hills unless uplift continues due to plate movements.
Glacial landforms AS Level Geography
This document describes various glacial and periglacial landforms formed by glacial erosion and deposition. Cirques are round hollows formed by glacial erosion in mountain regions. Arêtes are knife-edged ridges formed between two cirques, and pyramidal peaks form where three or more cirques meet. Glacial erosion can also form U-shaped valleys called troughs. Deposition by glaciers forms landforms like till, moraines, drumlins and erratics. Periglacial processes in cold regions without glaciers form patterned ground, ice wedges, pingos and other landforms through freeze-thaw action.
Volcanoes
Volcanoes are openings in the Earth's crust where magma and gases escape. They are found at boundaries where tectonic plates are diverging or converging. When magma reaches the surface it is called lava, and eruptions produce lava, rock fragments, ashes, dust, and gases. There are over 550 active volcanoes distributed around plate boundaries on land and undersea. The type of eruption depends on factors like the crust's strength, pressure, and magma composition. Volcanoes are classified based on their shape, eruptive behavior, and deposits. Major hazards include lava flows, eruption columns, pyroclastic flows, and volcanic mudflows.
Our changing earth
The document summarizes key concepts about landforms and geological processes. It describes how earthquakes are caused by movement of tectonic plates, and defines focus and epicenter. It explains weathering and erosion in forming landscapes. It also outlines various landforms created by rivers like meanders, ox-bow lakes, floodplains, levees and deltas. Additionally, it summarizes coastal landforms such as sea caves, sea arches, stacks, sea cliffs, beaches and features caused by glaciers, wind and desert processes like sand dunes and loess deposits.
Our changing earth
This document provides information about different types of earth movements and landforms. It discusses endogenic and exogenic forces that cause volcanoes and earthquakes from within and outside the earth. Volcanoes form from magma rising through cracks and releasing pressure at plate boundaries. Earthquakes result from vibrations caused by plate movement, with an epicenter and focus point. Weathering and erosion shape the landscape over time, forming features like waterfalls, meanders, and oxbow lakes in rivers and sea caves, arches, and stacks along coastal regions. Wind can also shape the earth, producing mushroom rocks in deserts and sand dunes that accumulate when winds slow.
Chapter 3 Land
This document summarizes various landforms and the geological processes that create them. It discusses both internal forces like earthquakes and volcanoes, as well as external forces like erosion, weathering, streams, glaciers and waves that shape the Earth's surface over time. Specific landforms are examined like mountains, plains, plateaus and valleys, as well as features caused by folding, faulting, volcanic activity, deposition and more. Examples throughout illustrate these concepts.
What Are Volcanoes And Why Do They Erupt
Volcanoes form as a result of the Earth releasing its internal heat through the crust. Molten rock from the mantle melts and rises to the surface through the crust, erupting and releasing gases. There are three main types of volcanoes defined by their location - at divergent plate boundaries where plates pull apart, at convergent boundaries where plates collide, and at hot spots in the middle of plates. Volcanoes can erupt explosively or quietly and pose volcanic hazards like pyroclastic flows, gases, and lava.
ROCKS AND VOLCANO
The document provides information about rocks and volcanoes. It begins with defining rocks as natural solid aggregates of minerals that form the earth's crust. Rocks are divided into three main types based on their formation: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma, sedimentary rocks form through accumulation of sediments, and metamorphic rocks form from changes caused by heat and pressure. Volcanoes are described as systems of hot fluid channels that extend from deep underground to the earth's surface. Various types of volcanoes are identified based on their shape and eruption processes. Causes of earthquakes are also summarized, including tectonic plate movement and volcanic activity.
The Rock Cycle - Science
The Rock Cycle - Science
This was my homework I did in Y8
It tells you all about Layers and the formation of different rocks
Chapter 9 Erosion PowerPoint
The document summarizes various processes of erosion and deposition that shape Earth's surface over time. It discusses how weathering, erosion, and deposition act in a cycle to wear down and build up the landscape. Various landforms are formed through these processes operating on the surface by rivers, glaciers, waves, wind, and gravity. Rivers cut through bedrock, carve valleys and canyons, and form deltas where they meet the sea. Glaciers erode and transport debris, leaving behind deposits like moraines. Waves shape coastal cliffs and deposits beaches and barrier islands. Wind erodes dry areas into sand dunes. Mass movement involves gravity-driven erosion in landslides. Together these processes have sculpted the
Features of earth`s surface
The document describes different types of landforms and features found on Earth's surface, as well as processes that shape them. It explains that landforms include mountains, hills, valleys, and plateaus. Bodies of water and glaciers also shape landforms by eroding and depositing material. Volcanoes and earthquakes cause rapid changes through erupting lava and shifting crustal plates, which further alter the landscape over time.
Mountains
There are several types of mountains formed by different geological processes:
Fold mountains are the most common, formed by the collision and crumpling of tectonic plates. Fault-block mountains are created when faults in the Earth's crust force material upward into chunks. Dome mountains form when magma pushes up a dome shape under the crust but does not erupt at the surface. Volcanic mountains are built up from eruptive material around volcanic vents. Plateau mountains are revealed by erosion carving channels into plateaus over billions of years.
Mountains
There are several types of mountains formed by different geological processes:
- Fold mountains are the most common, formed by the collision and crumpling of tectonic plates. Vast mountain ranges like the Himalayas are examples.
- Fault-block mountains are created when faults in the Earth's crust force material upward, breaking the crust into chunks that move up or down.
- Dome mountains form when magma pushes up a dome shape under the crust but does not erupt at the surface. Erosion then carves the circular mountain range.
- Volcanic mountains are built up from eruptions of lava, ash and rock around a volcanic vent. Examples include mountains in
Rocks, granite, limestone and chalk
The document discusses different types of rocks and their landscapes. It describes granite landscapes like Dartmoor which are rugged with isolated rock formations called tors. Limestone landscapes like Malham feature karst topography including limestone pavements, sinkholes, and caves formed by the dissolution of limestone. Chalk landscapes like the South Downs have few streams but springs at dip slopes and escarpment bases where the water table intersects the surface. Clay forms flat vales due to its impermeability and weak resistance to erosion.
Similar to Educ 512 mountains and volcanoes presentation (20)
A2 Physical Geography - Hot arid and Semi Arid Environment
A2 Physical Geography - Hot arid and Semi Arid Environment
Recently uploaded
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Wound healing PPT
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...Nguyen Thanh Tu Collection
https://app.box.com/s/qhtvq32h4ybf9t49ku85x0n3xl4jhr15What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Aberdeen
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
Topic : Bed making
Subject : Nursing Foundation
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
The History of Stoke Newington Street Names
Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
How to Setup Warehouse & Location in Odoo 17 Inventory
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingExcellence Foundation for South Sudan
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.Traditional Musical Instruments of Arunachal Pradesh and Uttar Pradesh - RAYH...
Traditional Musical Instruments of Arunachal Pradesh and Uttar Pradesh
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
Gender and Mental Health - Counselling and Family Therapy Applications and In...
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
Leveraging Generative AI to Drive Nonprofit Innovation
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
Recently uploaded (20)
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
How to Setup Warehouse & Location in Odoo 17 Inventory
How to Setup Warehouse & Location in Odoo 17 Inventory
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Traditional Musical Instruments of Arunachal Pradesh and Uttar Pradesh - RAYH...
Traditional Musical Instruments of Arunachal Pradesh and Uttar Pradesh - RAYH...
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
Educ 512 mountains and volcanoes presentation
- 3. FOLDED MOUNTAIN a mountain that forms as continental crust crumples and bends into folds Vocabulary
- 4. FAULT BLOCK MOUNTAIN Mountains that form as blocks of rock move up or down along normal faults
- 5. VOLCANO An opening in Earth’s crust where molten rock, rock fragments and hot gases erupt
- 6. LAVA Magma that has reached Earth’s surface
- 7. PYROCLASTIC FLOW a dense cloud of superhot gases and rock fragments that races downhill
- 8. ACID RAIN Rain that contains large amounts of acid
- 9. GEYSER A type of hot spring where water shoots into the air
- 11. 10.1 Movement of Rock Builds Mountains
- 12. SUBDUCTION Some sea-floor material scrapes off the sinking plate an onto the continent Material once at the bottom of the ocean can be pushed up. 10.1
- 13. MOUNTAIN RANGES AND BELTS • Single mountains are rare • Ranges close together form a belt Example: Rocky Mountain belt (about 100 ranges) 10.1
- 15. MOUNTAINS WEAR DOWN • If mountains are pushed up faster than they wear down then they will grow taller • Water and wind break rocks apart and move pieces away. The pieces are called sediments. • Land becomes flat
- 16. MOUNTAINS CAN FORM AS ROCKS FOLD Example: Himalayas 1)Convergent boundary developed 2)Continental crust began 3)Collision continues
- 17. MOUNTAINS CAN FORM AS ROCKS MOVE ALONG FAULTS • Fault-block mountains • Lithosphere stretched, crust breaks • Lithosphere can arch up • Some blocks tilt up and form mountains and tilt down to form valleys
- 18. QUESTIONS TO DISCUSS WITH A PARTNER The Ural Mountain Belt is no longer along the edge of a tectonic plate. Would you expect the Urals o be tall and steep or low and rounded? Why? How could it be possible for a mountain range to be continually pushed up but not get any higher?