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It varies some metamorphic rocks are fine grained (eg slate) and others have very large crystals (eg an augen gneiss).
Kenny Donnelly
Wiki User
∙ 12y agoGneiss has a small to medium grain size.
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What is denser sedimentary rock or metamorphic rock?
In general, metamorphic rock will have a higher density, because it's put under pressure, and will decrease in size because of that.
What is grain according to geologists?
Grain refers to particle or crystal size in rock.
How much do metamorphic rocks weigh in grams?
That depends on the size of the rock.
What else does rock texture include besides grain size and arrangement?
Grain shape.
What determines the mineral grain size in an igneous rock?
The cooling rate of the rock.
Grain size of metamorphic rock increases in the process of .?
Grain size increases in the process of recrystallization.
What type of metamorphic rock has a grain texture?
Because of the gravity ..
What type of metamorphic rock has a random grain texture?
Because of the gravity ..
What is rock that is changed by heat pressure or chemical change?
Metamorphic rocks have been changed by heat or pressure. This can be a change in size, shape, or arrangement of minerals.
What rock are classifed by crystal size mineral content and where they form?
it is metamorphic rock
Is metamorphic rock crystalline or composed of crystals?
Metamorphic, igneous, and sedimentary rock are all composed of crystals, which vary greatly in size.
What is denser sedimentary rock or metamorphic rock?
In general, metamorphic rock will have a higher density, because it's put under pressure, and will decrease in size because of that.
What is a small grain size rock?
clay
What sedimetary rock has the smallest grain size?
*
What is a factor that controls grain size in igneous rock?
It depends on if it is intrusive or extrusive. If it is an intrusive rock, it is formed when magma hardens under the earth and has a larger grain size. If it is an extrusive rock, it is formed when lava hardens on the earth's surface and has a smaller grain size.
What is grain according to geologists?
Grain refers to particle or crystal size in rock.
How much do metamorphic rocks weigh in grams?
That depends on the size of the rock.
