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Rocks are normally composed of interlocking mineral crystals or clasts. It is rare for metamorphic rocks to be porous and as such there is likely to be very little if any air in them.
An example of a very porous rock due to the presence of gasses coming out of solution from a lava is pumice.
What else can I help you with?
When changes in pressure temperature or chimical make-up alter a rock what takes place?
metamorphic rock metamorphic rock, or metamorphism
Is metamorphic rocks made up of sedimentary rock igneous rock or other metamorphic rocks?
Metamorphic rocks
Why does characteristics make marble a useful metamorphic rock?
because a year ago the rich people their house are made up of marble (metamorphic rocks)
What percentage of Earth's crust is metamorphic rock?
According to 118 118, metamorphic rocks make up about 85% of the earth's Continental crust. According to wiki.answers, 75-80% of the earth's surface is composed of sedimentary rock. 20-25% left to be composed of igneous and metamorphic rock.
What are the ingredients in metamorphic rock?
the layars of earth
How do you change sedimentary rock into a metamorphic rock?
You squash it and heat it up.
How do a metamorphic rock change into sedimentary rock?
You squash it and heat it up.
What percentage of the earth's crust is metamorphic rock?
Metamorphic rocks are created from intense heat and pressure being applied to an existing rock. The existing rock is called the protolith. They can also be formed from lava being poured over the top of the earth's surface, where rocks lay underneath. Metamorphic rocks make up a large part of our earths crust. It is around 40-60% of the earts crust.
What are the three types of rocks that make up the rock cycle?
The three types of rocks that make up the rock cycle are igneous, sedimentary, and metamorphic rocks. Igneous rocks form from the solidification of magma, sedimentary rocks result from the accumulation and compression of sediments, and metamorphic rocks form from the alteration of existing rocks due to heat and pressure.
Does metamorphic or igneous make up most of Utah's surface?
Most of Utah's surface is made up of sedimentary rock, not metamorphic or igneous rock. However, igneous rocks can be found in certain mountainous regions, such as the Wasatch Range. Metamorphic rocks are less common but can also be found in some areas. Overall, sedimentary rock dominates the geological landscape of Utah.
What is made up of rock that has undergone great heat and pressure?
Metamorphic rock
How do geologists classify metamorphic rock?
Geologists classify metamorphic rocks by the arrangements of the grains that make up the rocks.
