Rocks
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This document provides information about the three main types of rocks: sedimentary, igneous, and metamorphic rocks. It describes the rock cycle which shows how rocks continuously change between the three types through geological processes. Specific rock types are defined such as granite, basalt, shale, limestone and how each forms. The classification and characteristics of sedimentary, igneous and metamorphic rocks are summarized along with examples of each type.
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This document provides an overview of the three main types of rocks - igneous, sedimentary, and metamorphic rocks - and discusses their characteristics and formation processes. It explains that rocks continuously change between these three types through geological processes in the rock cycle. Examples are given of common rock types for each category like granite and basalt for igneous rocks, shale and limestone for sedimentary rocks, and gneiss and marble for metamorphic rocks. Additional details and online resources are also referenced for further information.
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The document discusses the three main rock groups: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma, either underground (intrusive) or above ground (extrusive). Sedimentary rocks form through the compaction and cementation of sediments. Metamorphic rocks are formed from existing rocks undergoing heat and pressure without melting. The rock cycle diagram shows how rocks continuously change between these three types through various geologic processes.
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The document describes the three main types of rocks - igneous, sedimentary, and metamorphic - and provides details about their characteristics, formation processes, and common uses. Igneous rocks such as basalt form from cooling magma. Sedimentary rocks like sandstone are formed through deposition and cementation of sediments. Metamorphic rocks like slate form from existing rocks undergoing changes due to heat and pressure.
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The document is a "Do Now" assignment for students that includes:
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- The reading provides an overview of the rock cycle, explaining how rocks are formed from igneous, sedimentary, and metamorphic types through processes like weathering, melting, and pressure/heat.
- An agenda for the class period including the Do Now, a lesson on the rock cycle, a mastery assignment, a rock cycle lab, and an exit ticket.
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The document discusses the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are related through the rock cycle. Igneous rock forms when magma cools, sedimentary rock forms from compressed layers of sediment, and metamorphic rock forms from changes to other rock types caused by heat, pressure, or both. Examples are provided for each rock type.
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There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma underground or lava on the surface. Sedimentary rocks form from compressed fragments of other rocks or organic matter. Metamorphic rocks were already existing rocks that underwent extreme pressure, heat, or chemical changes and altered form. Rocks are constantly changing between these types through the rock cycle as geological forces cause one type of rock to transform into another over long periods of time.
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Here are the answers to the questions from the passages:
P226 –
1. Igneous, sedimentary, metamorphic
2. Sedimentary rocks form from sediments
3. Sedimentary rocks can tell us about the environment they were deposited in, such as depth of water or presence of fossils
5. Metamorphic rocks form when existing rocks are subjected to heat and pressure
8. During metamorphism, the mineral grains in sedimentary and igneous rocks recrystallize and change shape
P232 –
1. Intrusive igneous rocks form when magma cools and solidifies within the earth's crust
2. Extrusive igne
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The document discusses the rock cycle, which describes how rocks are continuously changing forms over geological time through igneous, sedimentary, and metamorphic processes. Igneous rocks form from the cooling of magma either below ground as plutonic rocks or above ground as volcanic rocks. Sedimentary rocks form from the lithification of sediments eroded from other rocks. Metamorphic rocks form from changes to existing rocks through heat, pressure, and fluids in the Earth. The rock cycle demonstrates how these three main rock groups are interrelated and how matter is recycled over time through weathering, erosion, deposition, and tectonic activity.
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This document provides an overview of the rock cycle, which describes the dynamic transitions between the three main rock types - igneous, sedimentary, and metamorphic rocks. It discusses the different types of rocks and how they form. The rock cycle is driven by plate tectonics forces like spreading ridges and subduction zones. Rocks transition between types through melting into magma, weathering and erosion into sediments, and changes caused by heat and pressure through metamorphism. Water also plays an important role in driving many parts of the rock cycle.
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The document discusses the three main types of rocks - igneous, sedimentary, and metamorphic - and the rock cycle by which rocks are formed and changed over time. It explains that igneous rocks form from cooling magma, sedimentary rocks form through compaction or cementation of sediments, and metamorphic rocks form from extreme heat and pressure changing existing rock types. The rock cycle involves the continuous transformation of rocks between these types through geological forces and processes.
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The document discusses the rock cycle, which describes how rocks are formed and change over time. It begins with igneous rock, which forms from cooling magma and lava. Sedimentary rock forms from compressed sediments over millions of years. Metamorphic rock forms from existing rocks undergoing changes in temperature and pressure. The rock cycle is thus completed as metamorphic rocks may be uplifted and eroded to form new sediments, closing the loop.
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This document describes different types of intrusive volcanic rocks. It defines batholiths as large irregular reservoirs of magma that cool slowly underground. Laccoliths are dome-shaped intrusions that push up rock layers as magma is blocked below. Sills are horizontal sheets that form between bedding planes, while dikes are vertical or diagonal intrusions that cut across bedding planes. In conclusion, intrusive volcanism occurs when magma enters and solidifies in weaknesses or chambers in the earth's crust.
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The document is a "Do Now" assignment for students that includes:
- Instructions to get materials and complete a reading on the rock cycle with 6 follow up questions
- The reading provides an overview of the rock cycle, explaining how rocks are formed from igneous, sedimentary, and metamorphic types through processes like weathering, melting, and pressure/heat.
- An agenda for the class period including the Do Now, a lesson on the rock cycle, a mastery assignment, a rock cycle lab, and an exit ticket.
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The document discusses the three main types of rocks - igneous, sedimentary, and metamorphic - and how they are related through the rock cycle. Igneous rock forms when magma cools, sedimentary rock forms from compressed layers of sediment, and metamorphic rock forms from changes to other rock types caused by heat, pressure, or both. Examples are provided for each rock type.
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The document discusses the three main rock types - igneous, sedimentary, and metamorphic rocks - and the rock cycle by which they are formed. Igneous rocks form from cooling magma underground (granite) or lava above ground (basalt, obsidian). Sedimentary rocks form through the compression of sediments like sand and shells. Metamorphic rocks were once igneous or sedimentary rocks but were exposed to heat and pressure underground and morphed into another type of rock like quartzite or slate. The rock cycle model describes how rocks continuously form, break down, and reform through sedimentary, igneous, and metamorphic processes.
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There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from cooling magma underground or lava on the surface. Sedimentary rocks form from compressed fragments of other rocks or organic matter. Metamorphic rocks were already existing rocks that underwent extreme pressure, heat, or chemical changes and altered form. Rocks are constantly changing between these types through the rock cycle as geological forces cause one type of rock to transform into another over long periods of time.
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Here are the answers to the questions from the passages:
P226 –
1. Igneous, sedimentary, metamorphic
2. Sedimentary rocks form from sediments
3. Sedimentary rocks can tell us about the environment they were deposited in, such as depth of water or presence of fossils
5. Metamorphic rocks form when existing rocks are subjected to heat and pressure
8. During metamorphism, the mineral grains in sedimentary and igneous rocks recrystallize and change shape
P232 –
1. Intrusive igneous rocks form when magma cools and solidifies within the earth's crust
2. Extrusive igne
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The document discusses igneous rocks, which form from magma or lava. There are three main types: volcanic or extrusive rocks, which form from lava at the Earth's surface; plutonic or intrusive rocks, which form from magma underground; and intermediate or hypabyssal rocks, which form between volcanic and plutonic rocks. The viscosity of magma depends on its silica content, with silica-rich magma being more viscous. Volcanic rocks include lava flows, which can be blocky or ropy, and pyroclastic rocks formed from volcanic fragments ejected into the air.
Types Of Rocks!
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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Sedimentary rock forms through the deposition and lithification of sediment. It is categorized based on its composition and origin into clastic, chemical, and organic types. Clastic sedimentary rock like sandstone and shale form from cemented rock fragments. Chemical sedimentary rock like halite forms from crystallized mineral deposits. Organic sedimentary rock like coal forms from the remains of plants and animals. Sedimentary rock exhibits layers and other structures that indicate its formation history, such as ripple marks, mud cracks, and raindrop impressions preserved in the strata.
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1) The document discusses the three main types of rocks: sedimentary, igneous, and metamorphic. Sedimentary rocks are formed from compressed sediments, igneous rocks form from cooled lava, and metamorphic rocks form from changes to existing rocks in the crust.
2) It then explains key parts of the rock cycle - the process by which rocks are continually being formed and transformed through weathering, erosion, deposition, compaction, and cementation.
3) Students are assigned to write a paragraph about one interesting fact they learned for homework.
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- 1. Rocks Dr. Michael J. Passow
- 4. Here is another version of the Rock Cycle http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Metrocks/Metrocks2.html
- 6. Sedimentary Rocks Sedimentary rocks may be made of rock fragments—sediments—or by chemical reactions. The classification of sediments is shown below. http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Sedrocks/Sedrocks6.html
- 7. Clastic rocks–made of cemented sediments—are classified by their grain sizes. http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Sedrocks/Sedrocks9.html
- 8. Non-clastic rocks form by chemical precipitation (settling out from a solution.) Limestone is made from calcite, chert from quartz, and halite is rock salt. http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Sedrocks/Sedrocks10.html
- 18. “ Foliated” rocks contain much mica and other rocks that produce layering or banding Gneisses and schists are common in New York City and Westchester. http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Metrocks/Metrocks5.html
- 19. Non-foliated metamorphic rocks include marble, which comes from limestone, and quatzite, which comes from sandstone http://www.volcanoworld.org/vwdocs/vwlessons/lessons/Metrocks/Metrocks12.html