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fine grained or coarse grained
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∙ 14y ago
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What is allochem?
An allochem is a grain of rock in a carbonate rock.
What is grain according to geologists?
Grain refers to particle or crystal size in 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.
When all the grains in rock are large and easy to see the rock is described as?
Coarse grain
Is a grain a tiny piece of rock?
A grain can be a tiny piece of rock, yes. A grain can also be a grain of salt, meaning one 'pellet' of salt.
The smallest rock is a grain of what?
Rock.
What is an allochem?
An allochem is a grain of rock in a carbonate rock.
What is allochem?
An allochem is a grain of rock in a carbonate rock.
Does grain size mean anything when identifying igneous rocks?
yes, it does. when a grain size in an igneous rock is small, it means that it was probably an extrusive rock, meaning it formed on land. but if the grain size is big, it means that the rock most likely formed underground, or it was intrusive. try remembering it like this- the larger the crystals, the more time the rock had to form, and magma cools faster on land, not giving the rocks much time to form.
What is the grain of Marble?
Marble is has no grain so it is classified as a glassy rock.
Does a rock's grain give the rock it's texture?
it is true
What are 3 characteristics of a rock?
1.Grain Size 2.Grain Shape 3.Grain Pattern
Is a grain of sand the smallest rock?
no
Is coarse-grain a term that describes a rock's grain pattern?
true mf
What is grain according to geologists?
Grain refers to particle or crystal size in rock.
What else does rock texture include besides grain size and arrangement?
Grain shape.
