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What 2 things must increase for metamorphism to occur?
For metamorphism of rock to occur temperature and pressure must increase. Rocks created in this manner are called metamorphic rocks.
What has to occur for a rock to change to a metamorphic rock?
heat.
What are some changes that occur when a sedimentary rock changes into a metamorphic rock?
To change a sedimentary rock to a metamorphic rock, you change it by time,heat, and pressure.
Does Metamorphic rock occur at temps greater than 1000 Celsius?
No it does not occur.
What refers to how much the metamorphic rock differs from parent rock?
Metamorphic grade refers to the degree of metamorphic change a rock has undergone compared to its parent rock. It encompasses changes in mineralogy, texture, and structure that occur during the metamorphic process.
How would a sedimentary rock change to a metamorphic rock?
Through metamorphism, as a result of increase in pressure and/or temperature.
Why Doesn't metamorphic rock occur at temperatures 1000 degrees or higher?
if rock melts it will form magma, which leads to the formation of igneous rocks
Explain why some minerals only occur in metamorphic rock?
When the rock was forming other minerals that were near the forming place of the metamorphic rock were mixed in after the pressure has been made on the metamorphic rock. I am a seventh grade teacher so I know the answer. We are going over this in class right now.
Can metamorphic rock exist on an island of purely volcanic origin?
Yes, metamorphic rock can exist on an island of volcanic origin. Metamorphic rock forms due to high temperatures and pressures acting on existing rock, which can occur through tectonic forces or magmatic intrusion. So, it is possible for metamorphic rock to be present on an island formed purely from volcanic activity.
What type of rock is slate?
A metamorphic rock.
What can you find in a metamorphic rock?
in a metamorphic rock you find rock.
How does a metamorphic rock turn into another type of metamorphic rock?
From increased pressure and/or heat. Fluid removal results in hydrous mineral destruction and non-hydrous mineral creation, resulting in rock of a different mineralogy. A metamorphic rock can be further metamorphosed by additional heat and/or pressure into a rock with a higher degree of metamorphism. An example of this would be the metamorphic rock slate changing into the metamorphic rock phyllite.
