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Why is it called regional metamorphism?
What causes regional metamorphism, then?
Large geologic processes, such as mountain-building, can cause regional metamorphism. When exposed to the sun, these rocks show the incredible pressure which causes rocks to bend and break due to the mountain-building process. Regional metamorphism often results in foliated rocks like gneiss or schist.
What is regional metamorphism? Regional metamorphism. This occurs over large areas and does not usually have any relationship to igneous body. It causes deformation under non-hydrostatic or differential stress conditions. - Forms metamorphic rocks with strong foliation (slates and schists, or gneiss).
What is a regional, metamorphic rock in this way?
-n.l. ] A type metamorphism where the mineralogy, texture and composition of rocks is altered over large areas by deep burial and heating that are associated with the large-scale forces and effects of plate tectonics.
What is the effect of regional metamorphism on minerals?
quartz, feldspars and ferromagnesian mineral, such as amphiboles and pyroxenes and olivines. How is regional metamorphism affecting minerals? Chemical changes may occur in minerals due to high temperatures and pressures that can be caused by the movement of tectonic plates.
Where does most regional metamorphism occur?
Is gneiss regional or contact?
Summary Chart of Common Metamorphic Rocks | ||
---|---|---|
Original Rocks | Metamorphic Equivalent | Metamorphism |
clay-rich rock | hornfels | contact |
granite | gneiss | regional |
basalt | schist | regional |
Is Slate foliated or Nonfoliated?
What are the grades of regional metamorphism?
What are the two main sources of heat for metamorphism?
Is regional metamorphism a localized event?
Where does most hydrothermal metamorphism occur?
What is a foliated rock?
What causes metamorphism?
How are rock formed?
Where are sedimentary rocks found?
What does contact metamorphism create?
How do you classify metamorphic rocks?
What happens during metamorphism?
What is foliated texture?
What is the contact metamorphism?
Why are regional metamorphic rocks more dense?
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