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When water combines with mineral grains, the grains become larger. The increase in size of mineral grains strains the rock material and weakens it.
Clay grains
pores
Metamorphic rock may have coarse, flattened, or aligned mineral grains.
That is correct.
When water combines with mineral grains, the grains become larger. The increase in size of mineral grains strains the rock material and weakens it.
Mineral grains are crystals or pieces of crystals that vary widely in chemicalcomposition
Pumice does not have grains.
They can be "cemented" as some mineral such as calcite, aragonite, hematite, or even silica precipitates out of solution between them. Or clay minerals between the grains can harden under pressure and heat well short of their melting point.
Erosion is the process that squeezes fluids between individual grains. This is known as a long process.
Minerals may get changed to other minerals forming a new rock. Mineral grains also become aligned in response to the increased pressure.
Intrusive
A banded mineral is a mineral that has grains that are arranged in a particular pattern of flat layers or forms swirls.
No. Sandstone is not a mineral, it is a rock type.
Clay grains
pores
Metamorphic rock may have coarse, flattened, or aligned mineral grains.