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12 Cards in this Set
- Front
- Back
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PETROLOGY |
study of rocks. Petrologists - are scientists who study rocks and their mineral compositions. |
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IGNEOUS |
From the Latin word "ignis" means fire. |
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IGNEOUS ROCKS |
produced deep underground by the cooling and hardening of magma. |
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MAGMA |
molten rock that is produced in the upper part of the mantle. |
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LAVA |
when magma reaches the surface |
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DIKES |
vertical cracks or fissures is filled with magma. |
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SILLS |
similar to dikes. The magma wedges itself horizontally between sedimentary rock layers over a wide area. |
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LACCOLITHS |
from magma that intruded between layers of sedimentary rocks causing them to arch upward. |
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BATHOLITHS |
parent source of many other intrusive and extrusive masses extend deep into the earth. |
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SEDIMENTARY ROCKS |
formed from broken pieces of rocks or sediments that are usually formed in water. |
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METAMORPHIC ROCKS |
"metamorphic" comes from the Greek word "to change form" |
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3 Main Agents of Metamorphism |
- temperature, pressure, & chemical change |
