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Questions and Answers
Which process affects all aspects of the rock cycle?
Which process affects all aspects of the rock cycle?
- Formation of sedimentary rocks
- Glaciation
- Melting of rock
- Mantle convection (correct)
What is the primary source of water that affects the rock cycle?
What is the primary source of water that affects the rock cycle?
- Rivers
- Glaciers
- Rain (correct)
- Snow
Where do sedimentary rocks form?
Where do sedimentary rocks form?
- In magma underground
- In the Earth's crust
- Beneath the ocean (correct)
- On the Earth's surface
What does water do to the viscosity of rock?
What does water do to the viscosity of rock?
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How does water help in the formation of magma?
How does water help in the formation of magma?
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Study Notes
Key Processes in the Rock Cycle
- Plate Tectonics: Affects all aspects of the rock cycle, leading to the formation, destruction, and transformation of rocks through processes like subduction, uplift, and volcanism.
Sources of Water in the Rock Cycle
- Hydrological Cycle: The primary source of water affecting the rock cycle, influencing processes like weathering, erosion, and sediment transport.
Formation of Sedimentary Rocks
- Depositional Environments: Sedimentary rocks primarily form in bodies of water such as oceans, lakes, and rivers, where sediments accumulate over time.
Impact of Water on Rock Properties
- Viscosity Modification: Water decreases the viscosity of rock materials, allowing for easier movement and deformation during geological processes.
Role of Water in Magma Formation
- Melting Agent: Water lowers the melting point of rocks, facilitating the generation of magma in subduction zones and other volcanic environments.
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