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The document describes the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma and include granite, rhyolite, and basalt. Sedimentary rocks form from compressed particles and include sandstone, shale, and limestone. Metamorphic rocks are rocks that have been chemically altered by heat and pressure, such as gneiss, slate, and marble.
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Rocks.ppt
Rocks form through three main processes - igneous, sedimentary, and metamorphic. Igneous rocks form as magma cools and solidifies either underground or at the surface. Sedimentary rocks form from the lithification of sediments and often show layering. Metamorphic rocks are altered forms of pre-existing rocks due to heat, pressure, or both. These three rock types are related through the rock cycle as they form, weather, and transform into one another over time through geological processes.
Rock Classifications
Igneous rocks form when magma cools and crystallizes either underground or at the surface. Sedimentary rocks form through the lithification of sediments. Metamorphic rocks form from pre-existing rocks undergoing changes due to heat, pressure, and chemically active fluids in the Earth's crust. The rock cycle illustrates how igneous, sedimentary, and metamorphic rocks are interrelated as they form and change over time through geological processes within the Earth.
Kinds of Rocks
Igneous rocks form when magma cools and crystallizes either underground or at the surface. Sedimentary rocks form through the lithification of sediments. Metamorphic rocks form from pre-existing rocks undergoing changes due to heat, pressure, and chemically active fluids in the Earth's crust. The rock cycle illustrates how igneous, sedimentary, and metamorphic rocks are interrelated as they form and change over time through geological processes within the Earth.
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This document discusses the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either underground (plutonic rocks), just below the surface (hypabyssal rocks), or on the surface (extrusive rocks). Sedimentary rocks form through the lithification of sediments, either mechanically from weathered rock debris, organically from remains of living organisms, or chemically from mineral precipitation. Metamorphic rocks form from the alteration of existing rocks through heat, pressure, and fluids, resulting in recrystallization and changes to texture and mineral composition. Examples of each rock type are provided.
Rocks With Miss Gow
Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
Rocks With Miss Gow
Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
Rocks With Miss Gow
Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
Rocks.pptx
This document summarizes the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either below the surface (intrusive) or above (extrusive). Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks were once igneous or sedimentary rocks that were changed by heat, pressure, and chemical fluids within the Earth. Examples of each rock type are provided along with brief descriptions of their characteristics and formation processes.
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Rocks.ppt
Rocks form through three main processes - igneous, sedimentary, and metamorphic. Igneous rocks form as magma cools and solidifies either underground or at the surface. Sedimentary rocks form from the lithification of sediments and often show layering. Metamorphic rocks are altered forms of pre-existing rocks due to heat, pressure, or both. These three rock types are related through the rock cycle as they form, weather, and transform into one another over time through geological processes.
Rock Classifications
Igneous rocks form when magma cools and crystallizes either underground or at the surface. Sedimentary rocks form through the lithification of sediments. Metamorphic rocks form from pre-existing rocks undergoing changes due to heat, pressure, and chemically active fluids in the Earth's crust. The rock cycle illustrates how igneous, sedimentary, and metamorphic rocks are interrelated as they form and change over time through geological processes within the Earth.
Kinds of Rocks
Igneous rocks form when magma cools and crystallizes either underground or at the surface. Sedimentary rocks form through the lithification of sediments. Metamorphic rocks form from pre-existing rocks undergoing changes due to heat, pressure, and chemically active fluids in the Earth's crust. The rock cycle illustrates how igneous, sedimentary, and metamorphic rocks are interrelated as they form and change over time through geological processes within the Earth.
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This document discusses the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either underground (plutonic rocks), just below the surface (hypabyssal rocks), or on the surface (extrusive rocks). Sedimentary rocks form through the lithification of sediments, either mechanically from weathered rock debris, organically from remains of living organisms, or chemically from mineral precipitation. Metamorphic rocks form from the alteration of existing rocks through heat, pressure, and fluids, resulting in recrystallization and changes to texture and mineral composition. Examples of each rock type are provided.
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Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
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Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
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Volcanoes form from hot lava where earthquakes occur. Volcanoes are deep and hot, forming lava that explodes out. Rocks make up hills, mountains, plains and valleys. Rocks are mostly made of mineral crystals or pieces of other rocks or shells of living things. Igneous rocks cool slowly underground and form large mineral grains that can be seen.
Rocks.pptx
This document summarizes the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either below the surface (intrusive) or above (extrusive). Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks were once igneous or sedimentary rocks that were changed by heat, pressure, and chemical fluids within the Earth. Examples of each rock type are provided along with brief descriptions of their characteristics and formation processes.
GEOMORPHOLOGY-MINERALS AND ROCKS.pptx
Minerals and rocks can be classified in several ways. Metallic minerals include precious metals like gold and silver, and ferrous metals like iron. Non-metallic minerals do not contain metals and include sulfur and phosphates. Igneous rocks form from cooling magma and include intrusive granites and extrusive basalts. Sedimentary rocks form through deposition and lithification of sediments and make up 75% of the Earth's crust. Metamorphic rocks form from existing rocks undergoing recrystallization under heat and pressure. Common minerals include feldspar, quartz, pyroxene, amphibole, mica and olivine.
Rocks
Rocks can be divided into three main groups: igneous, sedimentary, and metamorphic. Sedimentary rocks form from the deposition of minerals and organic materials. Igneous rocks form from the cooling of magma. Metamorphic rocks make up a large part of the Earth's crust and are classified by their texture and mineral composition. Common rocks include marble, granite, quartz, and limestone.
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IGNEOUS ROCKS AND THEIR PROPERTIES, USES AND DIFFERENT VARITIES OF VOLCANIC INTRUSIONS , MEGASCOPIC PROPERTIES OF VARIOUS IGNEOUS ROCKS
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Rocks come in many colors and sizes and are found everywhere on Earth. The document discusses the three main types of rocks - igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma and lava. Sedimentary rocks form from compression of sediments and include sandstone, limestone, and shale. Metamorphic rocks were once igneous or sedimentary rocks but were changed by heat, pressure, and chemical processes into new forms like marble and quartzite. The rock cycle shows how rocks continuously change between these three types over time.
CLASSIFICATION OF ROCKS.pptx
Igneous rocks are formed by the cooling or solidification of magma or lava.
Sedimentary rocks are formed by the compaction and cementation of sediments, a process called lithification.
Metamorphic rocks are formed by preexisting rocks that are exposed to extreme heat and pressure in the
Earth’s interior, a process called metamorphism.
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The document discusses different types of rocks:
1. Igneous rocks form from cooling magma and include intrusive granitic rocks, extrusive volcanic rocks like basalt, and hypabyssal rocks.
2. Sedimentary rocks form through the lithification of sediments and include clastic rocks like sandstone, chemical rocks like limestone, and organic rocks like coal.
3. Metamorphic rocks form from the alteration of existing rocks under heat, pressure, and fluids, changing their texture and minerals. Foliated rocks include schist and gneiss, while non-foliated rocks include marble and quartzite.
Three Types of Rocks
There are three main types of rocks: sedimentary, igneous, and metamorphic. Sedimentary rocks form from the accumulation of sediments or organic matter. Igneous rocks form from the cooling of molten rock material either below or above the Earth's surface. Metamorphic rocks were once sedimentary or igneous rocks that were altered by heat, pressure, and chemical processes underground.
Rocks.pptx
The lithosphere is solid rock composed of minerals. Petrology studies rock formation and classification. Igneous rocks such as granite and basalt form when molten rock reaches the surface. Sedimentary rocks form through compaction of weathered rock particles. Metamorphic rocks undergo chemical changes from heat and pressure. Minerals are naturally occurring inorganic solids with ordered atomic structures that form crystals. There are seven continents of varying sizes, with Asia being the largest.
Why is Petrology important to Civil Engineering?
Petrology is important for civil engineering as it allows interpretation of physical rock properties like texture and structure. This helps determine rocks' suitability for uses like foundations, tunnels, and construction materials based on their strength and durability. Petrology also provides insight into earth history and aids discovery of mineral resources through understanding rock formation and composition.
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This document discusses the three main types of rocks: igneous, sedimentary, and metamorphic rocks. It provides details on how each type forms and key characteristics. Igneous rocks form from the cooling and solidification of magma or lava. Sedimentary rocks form through the compaction and cementation of sediments like sand and shells. Metamorphic rocks form from the alteration of existing rocks like igneous or sedimentary rocks through heat, pressure, and chemical changes. Rocks are classified based on their formation process and texture.
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The document discusses the rock cycle and how different types of rocks are formed. It describes:
1) The rock cycle is a series of changes where geological forces cause rocks to change from one type to another, such as igneous to sedimentary or metamorphic.
2) Igneous rocks form from the cooling of magma, either below ground (intrusive) or above ground (extrusive). Sedimentary rocks form from the compaction or cementation of sediments.
3) Metamorphic rocks are formed from existing rocks that undergo changes from heat, pressure, and chemical processes deep underground.
Rocks & minerals
Minerals are naturally occurring solid substances with repeating crystalline patterns. They form deep within the Earth through heat and pressure or near the surface when elements like oxygen, calcium, and carbon combine. Minerals have properties like streak, luster, and hardness that can be tested. Many common items are made from minerals, such as quartz in glass, diamonds in jewelry, and hematite in art. Rocks are composed of two or more minerals and do not have a crystalline structure. There are three main types of rocks: igneous rocks form from cooled lava or magma, sedimentary rocks form from compressed layers of sediment, and metamorphic rocks form from the alteration of existing rocks under heat and pressure.
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Lecture 03 igeneous rock
The document discusses different types of igneous rocks and their characteristics. It describes how igneous rocks form from the cooling of magma and lava and are classified as intrusive or extrusive. Intrusive igneous rocks cool slowly below the Earth's surface, forming textures like phaneritic, while extrusive rocks cool rapidly above ground, resulting in aphanitic or glassy textures. The document outlines various igneous rock textures and features like vesicles, phenocrysts and pyroclastic materials.
intorduction of rock igneous sedimentary and metamorphic rock
Rocks come in many varieties formed by different geological processes over billions of years. Igneous rocks form when magma or lava cools and solidifies. Sedimentary rocks form through the accumulation and compression of mineral and organic particles over time. Metamorphic rocks form when existing rocks are subjected to high heat and pressure, causing their minerals to recrystallize into new rock types.
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This document discusses the classification of stones used in building construction. It describes three main classifications: geological, chemical, and structural. Geologically, stones are classified as igneous, sedimentary, or metamorphic based on their mode of formation. Chemically, they are classified as siliceous, calcareous, or argillaceous based on their dominant chemical component. Structurally, stones can be massive/unstratified, stratified in distinct layers, or foliated with bands of different composition. Common stones used in construction that are described include granite, limestone, sandstone, and slate.
Rocks
Rocks are composed of minerals and are classified based on their origin and formation process. The three main types of rocks are igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either deep underground, near the surface, or on the surface. Sedimentary rocks form from the compaction and cementation of sediments. Metamorphic rocks form from the alteration of existing igneous and sedimentary rocks through heat, pressure, and chemical processes usually associated with tectonic activity. Rocks serve many important purposes and understanding their classification provides insight into the geological history of the earth's crust.
Igneous rocks bs 1st year
This document discusses different types of rocks and how they form. It describes the three major rock types as igneous, metamorphic, and sedimentary. Igneous rocks form from cooling magma, metamorphic rocks form from heat and pressure changing other rocks, and sedimentary rocks form from sediments. The document then discusses the rock cycle, how rocks are transformed between types through geological processes. It provides details on the formation of different igneous rock textures based on cooling rates and crystal sizes. Various igneous rock classifications including their mineralogy and chemistry are also summarized.
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EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
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were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
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Minerals and rocks can be classified in several ways. Metallic minerals include precious metals like gold and silver, and ferrous metals like iron. Non-metallic minerals do not contain metals and include sulfur and phosphates. Igneous rocks form from cooling magma and include intrusive granites and extrusive basalts. Sedimentary rocks form through deposition and lithification of sediments and make up 75% of the Earth's crust. Metamorphic rocks form from existing rocks undergoing recrystallization under heat and pressure. Common minerals include feldspar, quartz, pyroxene, amphibole, mica and olivine.
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Igneous rocks are formed by the cooling or solidification of magma or lava.
Sedimentary rocks are formed by the compaction and cementation of sediments, a process called lithification.
Metamorphic rocks are formed by preexisting rocks that are exposed to extreme heat and pressure in the
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The document discusses different types of rocks:
1. Igneous rocks form from cooling magma and include intrusive granitic rocks, extrusive volcanic rocks like basalt, and hypabyssal rocks.
2. Sedimentary rocks form through the lithification of sediments and include clastic rocks like sandstone, chemical rocks like limestone, and organic rocks like coal.
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There are three main types of rocks: sedimentary, igneous, and metamorphic. Sedimentary rocks form from the accumulation of sediments or organic matter. Igneous rocks form from the cooling of molten rock material either below or above the Earth's surface. Metamorphic rocks were once sedimentary or igneous rocks that were altered by heat, pressure, and chemical processes underground.
Rocks.pptx
The lithosphere is solid rock composed of minerals. Petrology studies rock formation and classification. Igneous rocks such as granite and basalt form when molten rock reaches the surface. Sedimentary rocks form through compaction of weathered rock particles. Metamorphic rocks undergo chemical changes from heat and pressure. Minerals are naturally occurring inorganic solids with ordered atomic structures that form crystals. There are seven continents of varying sizes, with Asia being the largest.
Why is Petrology important to Civil Engineering?
Petrology is important for civil engineering as it allows interpretation of physical rock properties like texture and structure. This helps determine rocks' suitability for uses like foundations, tunnels, and construction materials based on their strength and durability. Petrology also provides insight into earth history and aids discovery of mineral resources through understanding rock formation and composition.
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This document discusses the three main types of rocks: igneous, sedimentary, and metamorphic rocks. It provides details on how each type forms and key characteristics. Igneous rocks form from the cooling and solidification of magma or lava. Sedimentary rocks form through the compaction and cementation of sediments like sand and shells. Metamorphic rocks form from the alteration of existing rocks like igneous or sedimentary rocks through heat, pressure, and chemical changes. Rocks are classified based on their formation process and texture.
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The document discusses the rock cycle and how different types of rocks are formed. It describes:
1) The rock cycle is a series of changes where geological forces cause rocks to change from one type to another, such as igneous to sedimentary or metamorphic.
2) Igneous rocks form from the cooling of magma, either below ground (intrusive) or above ground (extrusive). Sedimentary rocks form from the compaction or cementation of sediments.
3) Metamorphic rocks are formed from existing rocks that undergo changes from heat, pressure, and chemical processes deep underground.
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The document discusses the composition and formation of rocks and minerals that make up the Earth's crust. It describes three main types of rocks - igneous, sedimentary, and metamorphic - and how they are formed from the cooling of magma, consolidation of sediments, and alteration of existing rocks respectively. It also discusses the composition and properties of common minerals that form the building blocks of rocks.
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The document discusses different types of igneous rocks and their characteristics. It describes how igneous rocks form from the cooling of magma and lava and are classified as intrusive or extrusive. Intrusive igneous rocks cool slowly below the Earth's surface, forming textures like phaneritic, while extrusive rocks cool rapidly above ground, resulting in aphanitic or glassy textures. The document outlines various igneous rock textures and features like vesicles, phenocrysts and pyroclastic materials.
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Rocks
Rocks are composed of minerals and are classified based on their origin and formation process. The three main types of rocks are igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling and solidification of magma either deep underground, near the surface, or on the surface. Sedimentary rocks form from the compaction and cementation of sediments. Metamorphic rocks form from the alteration of existing igneous and sedimentary rocks through heat, pressure, and chemical processes usually associated with tectonic activity. Rocks serve many important purposes and understanding their classification provides insight into the geological history of the earth's crust.
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This document discusses different types of rocks and how they form. It describes the three major rock types as igneous, metamorphic, and sedimentary. Igneous rocks form from cooling magma, metamorphic rocks form from heat and pressure changing other rocks, and sedimentary rocks form from sediments. The document then discusses the rock cycle, how rocks are transformed between types through geological processes. It provides details on the formation of different igneous rock textures based on cooling rates and crystal sizes. Various igneous rock classifications including their mineralogy and chemistry are also summarized.
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Lecture # 02, 03 316 geology and earth quake engineering 5th
Lecture # 02, 03 316 geology and earth quake engineering 5th
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Recently uploaded
SAR of Medicinal Chemistry 1st by dk.pdf
In this presentation include the prototype drug SAR on thus or with their examples .
Syllabus of Second Year B. Pharmacy
2019 PATTERN.
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
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Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
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dtubbenhauer@gmail.com
Corrected slides: dtubbenhauer.com/talks.html
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- 2. LITHOSPHERE - lithos for "rocky“ - Sphaira for “sphere” - The outermost shell of a rocky planet defined on the basis of the mechanical properties.
- 3. THE LITHOSPHERE IS SOLID AND HARD BECAUSE IT IS MADE OF ROCKS. ROCKS MAY BE COMPOSED OF A SINGLE MINERAL OR GROUP OF MINERALS.
- 4. ROCKS ROCKS ARE HARD AND SOLID. THESE PROPERTIES MAINTAIN THE SHAPE OF THE EARTH DESPIRE THE MULTITUDE OF FORCES ACTING ON IT.
- 5. CLASSIFICATION OF ROCKS IGNEOUS ROCKS SEDIMENTARY ROCKS METAMORPHIC ROCKS
- 6. CLASSIFICATION OF ROCKS IGNEOUS ROCKS GRANITE RHYOLITE SCORIA ANDESITE OBSIDIAN GABBRO BASALT
- 7. IGNEOUS ROCKS IGNEOUS ROCKS ARE FORMED FROM MOLTEN MATERIALS CALLED MAGMA THAT CRYSTALLIZE FOR A LONG PERIOD OF TIME.
- 9. GRANITE ROCKS It is composed of four minerals: quartz, feldspar, amphibole, and mica. It is light in color and phaneritic in texture.
- 10. RHYOLITE ROCKS The fine-grained equivalent of granite. Light gray to pinkish in color.
- 11. SCORIA ROCKS Volcanic rock is composed of many holes. The holes are formed when gases escape as magma solidifies.
- 12. ANDESITE ROCKS Porphytic igneous rock is abundant at the base of the Andes Mountain Ranges.
- 13. OBSIDIAN rocks IGNEOUS ROCK APPEARING AS A CHUNK OF SYNTHETIC GLASS.
- 14. GABBRO rocks Dark, coarse grained equivalent of basalt
- 15. BASALT rocks Dark in color, fine grained, hard and denser than granite, this rock forms the ocean floor.
- 16. SEDIMENTARY ROCKS Sedimentary rocks are formed from small particles like weathering and erosion.
- 18. SANDSTONE Sandstone is part of the sedimentary rock family. Quartz is what sandstone is made up of. They are made, when the wind or water, moves the sand in.
- 19. CONGLOMERATE ROCKS It is a rock consisting of individual clasts within a finer- grained matrix that have become cemented together.
- 20. SHALE ROCKS Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.
- 21. LIMESTONE ROCKS It is composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate.
- 22. LIGNITE ROCKS is a soft brown combustible sedimentary rock that is formed from naturally compressed peat.
- 23. METAMORPHIC ROCKS METAMORPHIC ROCKS ARE ROCKS THAT CHEMICALLY CHANGED IN FORM, STRUCTURE, AND COMPOSITION UNDER GREAT HEAT AND PRESSURE.
- 25. GNEISS ROCKS a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks.
- 26. SLATE ROCKS fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism.
- 27. MARBLE ROCKS a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite.
- 28. ANTHRACITE ROCKS a hard, compact variety of mineral coal that has a highluster. It has the highest carbon content, the fewest impurities, and the highest calorific content of all types of coal.