Geo field lab
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The document describes three main types of rocks: igneous, metamorphic, and sedimentary. It provides examples of specific rock types within each category, including basalt, diorite, and pegmatite as igneous rocks; slate as a metamorphic rock; and breccia as a sedimentary rock. For each rock example, a brief physical description and sample location is given. The document serves to educate about different rock types through examples and descriptions.
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Weathering and erosion are natural processes that change rocks over time. Weathering is when rocks are physically or chemically broken down, such as by tree roots splitting rocks or minerals changing. Physical weathering cuts rocks without altering minerals, while chemical weathering changes minerals. Erosion then transports weathered rocks from one place to another through processes like exfoliation, abrasion, and deposition.
Sedimentary rocks sia luca
Sedimentary rocks are formed from the compaction and cementation of sediments such as mud, sand, and tiny rock fragments. As lakes and rivers dry up, they leave behind these sediments which become buried over time under heavy layers that press down and compact the materials. Sedimentary rocks are commonly found in areas with cliffs and mountains, such as the limestone formations in the Yorkshire Dales in England. Limestone is a common sedimentary rock composed of calcite, with a hardness of 3, while flint is a harder sedimentary rock of the quartz family with a hardness of 7 that forms from the solidification of lava. Key processes in sedimentary rock formation include compaction, weathering, erosion,
Rocks
Rocks are naturally occurring mixtures of minerals, mineraloids, glass or organic matter that are divided into three main types - igneous, sedimentary, and metamorphic - based on how they were formed. Rocks are continually changed over time by various geological processes through the rock cycle, where one type of rock can be transformed into another through weathering, erosion, melting and other changes. The core, mantle and crust act as a recycling machine that redistributes rocks.
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The document is a multiple choice quiz about different types of rocks. Question 1 is about sedimentary rocks, which form from compressed or cemented deposits. Question 2 is about metamorphic rocks, which form from great heat and pressure. Question 3 is about igneous rocks, which form from cooled and hardened magma or lava. Question 4 asks about metamorphic rocks again, stating they often form deep in the earth's crust.
Rock Cycle
The document discusses the rock cycle, how rocks change over time through heating, cooling, weathering, erosion and deposition. It describes the three main types of rocks - igneous, sedimentary and metamorphic - and how each forms. Igneous rocks form from cooling magma or lava. Sedimentary rocks form from compressed and cemented sediment. Metamorphic rocks form from existing rocks that are changed by heat and pressure. Weathering and erosion impact rock formations over time.
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Erika Ramos collected different types of rocks from various locations in California for a geology lab assignment. She found igneous rocks with a granite texture in three rivers. Sedimentary rocks showed signs of change and splitting, and felt layered. Metamorphic rocks had a granite-like texture but felt smoother. Ramos located a fault in Mineral Springs near Coalinga, which is part of the San Andreas Fault. She observed chemical and mechanical weathering in different areas and saw mass wasting and erosion events caused by water and wind. Ramos found marine and transitional sedimentary environments in Pismo Beach and three rivers respectively.
Rocks Poweroint
Rocks are solid mixtures of minerals that form in three main ways: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling of magma or lava. Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks form from changes to existing rocks through heat, pressure, or both. Rocks are classified based on their composition, texture, and formation process. They have many important uses for tools, buildings, and helping scientists understand the past.
Earth Science Types of Rocks
The document discusses the different types of rocks:
1) Rocks are classified based on their formation, composition, and texture. They are formed through igneous, sedimentary and metamorphic processes.
2) Igneous rocks form from the cooling of magma, and can be intrusive or extrusive. Sedimentary rocks form from the accumulation and compression of sediments. Metamorphic rocks form from changes to pre-existing rocks via heat, pressure, and chemical reactions.
3) The document provides examples of different types of rocks for each category, and describes their key characteristics such as mineral composition, grain size, layering, and whether they contain aligned mineral grains.
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Sedimentary rocks are formed from the compaction and cementation of sediments such as mud, sand, and tiny rock fragments. As lakes and rivers dry up, they leave behind these sediments which become buried over time under heavy layers that press down and compact the materials. Sedimentary rocks are commonly found in areas with cliffs and mountains, such as the limestone formations in the Yorkshire Dales in England. Limestone is a common sedimentary rock composed of calcite, with a hardness of 3, while flint is a harder sedimentary rock of the quartz family with a hardness of 7 that forms from the solidification of lava. Key processes in sedimentary rock formation include compaction, weathering, erosion,
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Rocks are naturally occurring mixtures of minerals, mineraloids, glass or organic matter that are divided into three main types - igneous, sedimentary, and metamorphic - based on how they were formed. Rocks are continually changed over time by various geological processes through the rock cycle, where one type of rock can be transformed into another through weathering, erosion, melting and other changes. The core, mantle and crust act as a recycling machine that redistributes rocks.
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The document is a multiple choice quiz about different types of rocks. Question 1 is about sedimentary rocks, which form from compressed or cemented deposits. Question 2 is about metamorphic rocks, which form from great heat and pressure. Question 3 is about igneous rocks, which form from cooled and hardened magma or lava. Question 4 asks about metamorphic rocks again, stating they often form deep in the earth's crust.
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Erika Ramos collected different types of rocks from various locations in California for a geology lab assignment. She found igneous rocks with a granite texture in three rivers. Sedimentary rocks showed signs of change and splitting, and felt layered. Metamorphic rocks had a granite-like texture but felt smoother. Ramos located a fault in Mineral Springs near Coalinga, which is part of the San Andreas Fault. She observed chemical and mechanical weathering in different areas and saw mass wasting and erosion events caused by water and wind. Ramos found marine and transitional sedimentary environments in Pismo Beach and three rivers respectively.
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Rocks are solid mixtures of minerals that form in three main ways: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling of magma or lava. Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks form from changes to existing rocks through heat, pressure, or both. Rocks are classified based on their composition, texture, and formation process. They have many important uses for tools, buildings, and helping scientists understand the past.
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The document discusses the different types of rocks:
1) Rocks are classified based on their formation, composition, and texture. They are formed through igneous, sedimentary and metamorphic processes.
2) Igneous rocks form from the cooling of magma, and can be intrusive or extrusive. Sedimentary rocks form from the accumulation and compression of sediments. Metamorphic rocks form from changes to pre-existing rocks via heat, pressure, and chemical reactions.
3) The document provides examples of different types of rocks for each category, and describes their key characteristics such as mineral composition, grain size, layering, and whether they contain aligned mineral grains.
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- Rocks are naturally occurring mixtures of minerals, mineraloids, glass or organic matter that are divided into three main types - igneous, sedimentary, and metamorphic - based on how they were formed.
- Igneous rocks form from the cooling of magma or lava either below or above ground. Sedimentary rocks form through the compaction or cementation of sediments. Metamorphic rocks form from changes to existing rocks through heat, pressure, and chemical reactions in the Earth.
- Rocks are constantly changing between these three types through the rock cycle as they are weathered, eroded, melted, cooled, and subjected to pressure and heat within the Earth.
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- Igneous rocks form from cooling magma, either on the surface as lava rocks or below ground as intrusive rocks
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This document defines and provides examples of three main rock types: igneous, metamorphic, and sedimentary rocks. It explains that igneous rocks form from solidified magma, metamorphic rocks form from changes caused by heat and pressure on existing rocks, and sedimentary rocks form from compressed layers of sediment. Examples of each rock type are given like granite, marble, and sandstone. The rock cycle diagram shows how rocks can transform between types through geological processes over time.
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Rocks are classified into three main types - igneous, metamorphic, and sedimentary - based on how they are formed. Igneous rocks form from cooling magma either underground or on the surface. Metamorphic rocks form from intense heat and pressure altering other rock types. Sedimentary rocks form from compression of sediments over millions of years at the bottoms of bodies of water. Each rock type has distinguishing features and examples.
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The document discusses the rock cycle and the formation of different rock types:
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The document describes the three main types of rocks: igneous, sedimentary, and metamorphic. It provides details on their formation processes and characteristics. Igneous rocks form from cooling magma or lava. Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks form from changes to existing rocks through heat, pressure, and stress without melting. The document also provides classifications and examples of different rock types within each main category.
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This document discusses different types of volcanoes and rocks. It describes cinder cone volcanoes as having moderately steep sides and small summit craters. Shield volcanoes are described as having low slopes and consisting almost entirely of frozen lava with large summit craters. The document then defines rocks and discusses the three main types: igneous, sedimentary, and metamorphic. It provides details on how each type forms and examples of different rocks within each type.
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Rocks are divided into three main categories: igneous rocks form when magma cools and hardens, sedimentary rocks form from compressed layers of sediment, and metamorphic rocks undergo physical and chemical changes from heat and pressure. Metamorphic rocks can change form, such as gneiss.
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Sedimentary rocks form from the compaction and cementation of sediments and sometimes contain fossils. Igneous rocks form from the cooling of magma, either underground as intrusive rocks with large crystals or above ground as extrusive rocks with small crystals. Metamorphic rocks form from the alteration of existing rocks by heat, pressure, or chemical changes and may contain interlocking crystals or foliation.
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This document defines and provides examples of three main rock types: igneous, metamorphic, and sedimentary rocks. It explains that igneous rocks form from solidified magma, metamorphic rocks form from changes caused by heat and pressure on existing rocks, and sedimentary rocks form from compressed layers of sediment. Examples of each rock type are given like granite, marble, and sandstone. The rock cycle diagram shows how rocks can transform between types through geological processes over time.
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The document discusses the three main types of rocks: igneous, sedimentary, and metamorphic. It describes how igneous rocks form from volcanic activity either inside the Earth as intrusive rocks or outside as extrusive rocks. Sedimentary rocks form from the compaction and cementation of sediments like sand and shale deposited over time. Metamorphic rocks are igneous or sedimentary rocks that have been altered by heat and pressure into a new form. The rock cycle shows how the different rock types are interrelated through geological processes.
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The document discusses the three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling lava and can have large or small crystals depending on the cooling rate. Sedimentary rocks form from compressed sediments and contain fossils. Metamorphic rocks form from existing rocks undergoing heat and pressure, and can have banded or non-banded textures.
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There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from molten rock that cools and hardens. Sedimentary rocks form from compressed sediments like sand and shells. Metamorphic rocks were originally igneous or sedimentary rocks that were changed by heat and pressure in the earth. Examples are marble from limestone and slate from shale.
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There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks can be extrusive, with little to no crystals, or intrusive, with large interlocking crystals. Sedimentary rocks form from the lithification of sediments. Metamorphic rocks are formed from heat and pressure altering existing rocks, and can be formed through contact or regional metamorphism. Common metamorphic rocks include gneiss, slate, and quartzite. The rock cycle shows how rocks continuously change between these three types over geological time.
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This document discusses and provides examples of different types of rocks found in California, including metamorphic, igneous, and sedimentary rocks. It describes finding white marble in Los Gatos Creek, serpentine in the hills of Parkfield, sandstone formations in Coalinga, a conglomerate rock with bone particles near Coalinga's oil fields, and granite and pegmatite on the shore of Kaweah Lake in Visalia. The document also provides some geological context and background about the locations.
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Sedimentary rocks form through the compaction and cementation of sediments. There are three main types: clastic sedimentary rocks which form from fragments of other rocks; chemical sedimentary rocks which form from precipitation of minerals from solution; and organic sedimentary rocks which form from remains of plants and animals. Sedimentary rocks preserve features that reflect the environment of deposition such as layering, fossils, ripple marks, and mud cracks.
Field assignment 1
The Cache la Poudre River originates in Rocky Mountain National Park in Colorado and flows east through Roosevelt National Park, descending over 7,000 feet before joining the South Platte River. The canyon has been home to Native Americans for centuries, with evidence of their presence such as fire hearths, burial sites, and rock shelters. Igneous rocks form by the cooling and solidification of magma or lava, either below the surface as intrusive rocks or on the surface as extrusive rocks. Sedimentary rocks form through the deposition and compaction of sediment and cementation over time. Metamorphic rocks are formed when rocks are subjected to heat and pressure, causing them to change form.
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Core Subject: Earth and Life Science
II. Earth Materials and Processes
A. Minerals and Rocks
The learners
demonstrate an
understanding of:
1. the three main categories of rocks
2. the origin and environment of formation of common minerals and rocks
The learners:
1. identify common rock-forming minerals using their physical and chemical properties
2. classify rocks into igneous, sedimentary, and metamorphic
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1) The document describes a geology student collecting and analyzing 5 rock samples near some railroad tracks in Firebaugh, California.
2) The first sample is identified as granite, an igneous rock that forms when magma cools underground.
3) The second sample is marble, a metamorphic rock formed from limestone.
4) The third sample is scoria, a volcanic rock with gas bubbles indicating it cooled quickly.
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The document discusses several types of rocks and geological concepts:
- Blueschist, a metamorphic rock formed under high pressure and relatively cool temperatures in subduction zones.
- Igneous rocks such as granite and gabbro found in San Luis Obispo, formed from intrusive and extrusive processes. Extrusive scoria is also mentioned.
- Sandstone, a sedimentary rock found in Poly Canyon consisting of cemented quartz and sand.
- The San Andreas Fault as an example of a transform fault still actively moving plates.
- Examples of mechanical and chemical weathering processes.
- Evidence of mass wasting and erosion seen in Yosemite National Park streams and waterfalls.
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The document describes the process of identifying different types of rocks found in California. It discusses going to geological maps and researching the local area to find igneous, metamorphic, and sedimentary rocks. Samples were collected from places like Yosemite National Park and analyzed using a scientific process to determine their classifications. Key details like appearance, texture, and location helped identify the rocks as granite, andesite, gneiss, phyllite, conglomerate, and siltstone.
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1) The document summarizes the identification of 5 different rock specimens found in California. Specimen 1 was identified as slate based on its smooth texture and deep grey color. Specimen 2 was identified as pumice based on its light weight, hardness, and off-white to greenish color. Specimen 3 was identified as sandstone based on its fine grains, tan to pink color, and origin in terrestrial areas. Specimen 4 was also identified as sandstone based on questions about its crystal grains, layers, and texture. Specimen 5 was easily identified as sandstone based on its grainy yet smooth texture, light pink to deep tan coloring, and origin.
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This document provides information about igneous rocks, including how they are formed from the cooling of magma and lava, how they are classified based on mineral size and composition, and the key properties of different types of igneous rocks such as ultramafic, mafic, intermediate, and felsic rocks. It also discusses the rock cycle and defines important terms.
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The document describes three main types of rocks:
1) Igneous rocks form when magma cools and solidifies, either deep underground or at the surface. Examples are granite, basalt, and obsidian.
2) Sedimentary rocks form from compression of sediments and contain layers and fossils. Examples are limestone, sandstone, and shale.
3) Metamorphic rocks form from changes to existing rocks through heat, pressure, and reaction with fluids. Examples are marble, slate, and gneiss.
Field research assignment
The document summarizes a field research assignment where the author visited several locations in California - Morro Bay, Columbia - to collect and analyze different rock samples. At Morro Bay beach, the author found a volcanic igneous dacite rock near Morro Rock, a sedimentary sandstone, and a metamorphic schist. In Columbia, the author panned for gold and found pyrite and garnet minerals formed in the local metamorphic rocks.
Field research assignment
The document summarizes a field research assignment where the author visited several locations in California - Morro Bay, Columbia - to collect and analyze different rock samples. At Morro Bay beach, the author found a volcanic igneous dacite rock near Morro Rock, a sedimentary sandstone, and a metamorphic schist. In Columbia, the author panned for gold and found pyrite and garnet minerals formed in metamorphic rock.
Chapter6 sedimentaryrocks-110708161605-phpapp01
This document summarizes key points from Chapter 6 of Essentials of Geology about sedimentary rocks. It describes how Earth's surface is covered by a thin layer of sedimentary rock that caps the igneous and metamorphic basement. Sedimentary rocks form from the lithification of sediments and are classified based on their composition and texture. The main classes are clastic rocks, which form from weathered fragments; biochemical rocks like limestone from organism remains; organic rocks like coal from plant matter; and chemical rocks like evaporites precipitated from water. Sedimentary structures provide clues about depositional environments.
Geology Field Assignment Part I
California offers a variety of rock types due to its complex geological history. The document describes the author's process of collecting and identifying different rock samples from locations in California such as Yosemite National Park. Through online research of geological maps and the scientific method of questioning, hypothesizing and testing, the author was able to determine they had collected examples of igneous rocks such as granite and andesite, metamorphic rocks such as gneiss and phyllite, and sedimentary rocks including conglomerate and siltstone.
Geology 2 Lab Asignment
This document summarizes information about the town of Three Rivers, California and samples of different rock types. It provides background on Three Rivers, located in the Sierra Nevada foothills, and its history. It then describes the three main types of rocks - igneous, metamorphic, and sedimentary - including their formation processes and examples. Samples are then analyzed and identified as granite, marble, sandstone, limestone, and shale based on their compositions and characteristics.
Summary of how to classify minerals
Students will learn to identify rock types by their observable properties. Working in groups, students will observe samples of igneous, sedimentary, and metamorphic rocks using magnifying glasses. They will draw the rocks' shapes, colors, and minerals. Then students will classify the rocks by type based on discussions of each type's characteristics. Finally, their understanding will be assessed by having students individually identify unlabeled rock samples.
Field
The document describes 5 rock samples collected by the author. The first sample is granite found in Sequoia National Park estimated to be 20,000 years old. The second sample is also granite from Sequoia National Park, which is the author's favorite. The third sample is marble collected from Morro Bay, a metamorphic rock. The fourth sample is basalt from the author's yard. The fifth sample is a sedimentary rock found on Pismo Beach.
Igneous rock ge 106
This document provides an overview of igneous rocks and their formation. It discusses that igneous rocks form from the cooling of molten magma or lava. The cooling rate affects crystal size - slower cooling produces larger crystals and faster cooling produces smaller crystals. Intrusive igneous rocks cool slowly underground and have coarse grains, while extrusive rocks cool quickly at the surface and have fine grains. Texture is determined by crystal size and arrangements. Examples of textures discussed are phaneritic, aphanitic, porphyritic, glassy and pyroclastic.
ROCK CYCLE.pptx
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.
Field lab part one
The document summarizes three different types of rocks found by the author. For the first rock, it is identified as shale, a sedimentary rock found in a river. Sedimentary rocks form from compaction and cementation of sediments. The second set of rocks are metamorphic rocks, which form from the alteration of sedimentary and igneous rocks under heat, pressure and fluids. The final rocks discussed are igneous rocks, which make up 95% of the earth's crust and form from the cooling of magma or lava. They were found in Yosemite National Park.
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Geo field lab
- 1. Rocks By: Laura Figueroa BY: Laura Figuroa
- 6. Pegmatite Pegmatite Extremely coarse grained intrusive Igneous rock. My sample: rounds and oval shaped with small crevasses that showed light colored coarse grained crystallized rocks. Location: Pismo Beach, Ca. My sample was found on the shore line of Pismo Beach. Pismo Beach has a great history behind it, but it dates back to 1886 This is my sample broken up to see the crystallized rock particles on the Inside.