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8 Cards in this Set
- Front
- Back
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rock-forming mineral |
are the building blocks of rock.
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granite |
is originally a light-colored rock that has high silica content. |
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basalt |
is a dark-colored rock that has lower silica con than granite has |
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grain |
geologists say most rocks are made up of particles of minerals or other rock |
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texture |
is the look and feel of a surface |
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igneous rock |
form from cooling of magma or lava |
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sedimentary rock |
form when small particle of rocks or the remains of plants and animials are pressured and cemented together |
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metamorphic rock |
forms when a rock is changed by heat or preasure,or by chemiacal recations |
