Earth Science Rock Cycle Reg
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Created by:
lsxinh on July 21, 2012
Subjects:
GIS_lsx, Mapping_lsx, surveying_lsx, earth_science_lsx
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Set copied from elishacohen
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14 terms
Terms | Definitions |
|---|---|
 rock | mixture of one or more minerals, solid organic matter, and inorganic materials |
| magma | molten rock under Earth's surface |
| lava | molten material exposed at Earth's surface |
| rock cycle | series of processes in which rock forms, changes from one type to another, is recycled and forms again by geological processes |
| igneous | rock that forms when magma/lava cools and solidifies |
| intrusive | igneous rock that is formed by the cooling and solidification of magma beneath Earth's surface |
| extrusive | igneous rock that is formed by the cooling and solidification of lava at Earth's surface |
| sedimentary | rock formed by compressed and or compacted sediments |
| compaction | sediment is squeezed reducing the porosity space due to the weight and pressure of the overlying areas that buried the sediments below |
| cementation | process in which the sediments are glued together by minerals dissolved in water that precipitate into the pore spaces and bind the grains together |
| metamorphism | the process in which one type of rock changes into metamorphic rock due to chemical processes or changes in temperature and pressure. |
| foliated | mineral grains are arranged in planes or bands |
| nonfoliated | mineral grains are NOT arranged in planes or bands |
| sediment | loose fragments of rock, minerals and organic material |
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