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ILS 2012- Geology

Geology study of Earth’s composition, structure, and history
Continental Plates made of crust and lithosphere
Main Layers of the Earth Outside in: crust, mantle, core
Mineral naturally occurring, inorganic solid with a crystal structure, and characteristic chemical composition
Rock classification igneous, metamorphic, or sedimentary
Metamorphic formed by intense heat and pressure
Rock Cycle a series of processes in which rocks are changed from one type to another
Sedimentary rock formed by compaction and cementation
Mid ocean ridges
Subducting plates more dense, forms trench
Convection currents cycle of heating and cooling in the mantle
Small crystal igneous rocks cool quickly, fine grained
Large crystal igneous rocks cool slowly, coarse grained
Porphytic mixture of small and large crystals
Streak powder form of the material
Luster light reflecting off the material
Cleavage angle at which the mineral breaks
Crystal shape due to internal atomic structure
Color changes due to impurities
Hardness ability to scratch another material
Density mass to volume ratio
Reactivity reaction to an acid
Divergent plates move away, mid
Convergent plates move towards each other, subduction zones
Transform boundary slide past each other, faults
Rock cycle diagram identify types of rocks and processes that form them
Subduction diagram process occurring at different points, types of boundaries
Layers of rock diagram relative age of rocks,
Created by: evroman