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Contact metamorphism is least likely to occur at locations where there is little to no intrusion of magma near the Earth's surface. In areas with minimal igneous activity and no heat source to drive the metamorphic changes, contact metamorphism is less likely to take place. Generally, regions located far away from tectonic plate boundaries or volcanic hotspots are less prone to experiencing contact metamorphism.
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Which two kinds of adjoining bedrock would most likely have a zone of contact metamorphism between them?
Sedimentary rock and igneous rock would most likely have a zone of contact metamorphism between them. When molten magma intrudes into the surrounding rock, the heat and fluids released can alter the mineral composition of the adjacent rocks, leading to contact metamorphism.
At which location is burial metamorphism most likely to occur?
Convergent boundary
If the sedimentary rock limestone is subjected to metamorphism what metamorphic rock will likely form?
Limestone can metamorphose into marble, a regional metamorphic rock, or into skarn, a contact metamorphic rock.
Which would you expect to cause the greatest amount of contact metamorphism an intrusion of basaltic magma or an intrusion of rhyolitic magma?
An intrusion of basaltic magma would likely cause greater contact metamorphism compared to an intrusion of rhyolitic magma. Basaltic magma has higher temperatures and higher fluidity, allowing it to heat surrounding rocks more effectively and induce more intense metamorphic changes.
What type of rock would result from the metamorphism of granite?
The metamorphism of granite would likely result in the formation of gneiss, a coarse-grained foliated rock with distinct bands of minerals. The high temperature and pressure during metamorphism would cause the minerals in the granite to recrystallize and align, giving gneiss its characteristic banded appearance.
Is contact metamorphism likely to produce foliation?
Contact metamorphism is less likely to produce foliation compared to regional metamorphism. This is because contact metamorphism involves high temperatures and low pressures, typically resulting in more localized metamorphic changes without the development of the extensive directional alignment of minerals that produces foliation.
Which type of metamorphism is most likely to change shale to hornfels?
Contact metamorphism is most likely to change shale to hornfels. This process occurs when rocks are subjected to high temperatures and pressures due to contact with a magma intrusion, leading to the recrystallization of minerals in the original rock. Hornfels is typically formed under these conditions and is characterized by a fine-grained, non-foliated texture.
Which two kinds of adjoining bedrock would most likely have a zone of contact metamorphism?
shale and sandstone
Which two kinds of adjoining bedrock would most likely have a zone of contact metamorphism between them?
Sedimentary rock and igneous rock would most likely have a zone of contact metamorphism between them. When molten magma intrudes into the surrounding rock, the heat and fluids released can alter the mineral composition of the adjacent rocks, leading to contact metamorphism.
Which type of metamorphism is most likely to occur along the fault line?
Dynamic Metamorphism >.<
At which location is burial metamorphism most likely to occur?
Convergent boundary
Could contact metamorphism change a shale into a phyllite?
Yes, contact metamorphism can change a shale into a phyllite. Shale is a fine-grained sedimentary rock that can undergo low-grade metamorphism when exposed to high temperatures and pressures near a magmatic intrusion. This process can transform the shale into a phyllite, which is a low-grade metamorphic rock with a glossy sheen and wavy foliation.
Why doesn't metamorphism occur when rocks come in contact with magma?
Metamorphism does occur when rocks come in contact with magma but it is very localised. It is contact metamorphism and a close look with a hand lens will normally show a change to the rock, sometimes only millimetres wide.
If the sedimentary rock limestone is subjected to metamorphism what metamorphic rock will likely form?
Limestone can metamorphose into marble, a regional metamorphic rock, or into skarn, a contact metamorphic rock.
Which would you expect to cause the greatest amount of contact metamorphism an intrusion of basaltic magma or an intrusion of rhyolitic magma?
An intrusion of basaltic magma would likely cause greater contact metamorphism compared to an intrusion of rhyolitic magma. Basaltic magma has higher temperatures and higher fluidity, allowing it to heat surrounding rocks more effectively and induce more intense metamorphic changes.
What type of rock would result from the metamorphism of granite?
The metamorphism of granite would likely result in the formation of gneiss, a coarse-grained foliated rock with distinct bands of minerals. The high temperature and pressure during metamorphism would cause the minerals in the granite to recrystallize and align, giving gneiss its characteristic banded appearance.
What does the radiometric date of metamorphic rock most likely represent?
heated during metamorphism
