Earth Science Rock Vocab
Terms
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- Cementation
- process in which dissolved minerals left by water passing through sediments binds the sediments together.
- Chemical Rock
- Sedimentary rock that forms when minerals crystallize from a solution. (limestone)
- Compaction
- process in which air and water are squeezed out of sediments, resulting in the formation of sedimentary rock.
- Deposition
- the laying down and accumulation of earth materials in oceans, rivers, deserts, and glaciers.
- Extrusive
- A type of rock formed from magma flowing out over the earth's surface.
- Foliation
- a distinctly layered texture found in some metamorphic rocks.
- Intrusive
- A type of rock formed by magma solidifying among other rocks below the earth's surface.
- Igneous
- A type of rock formed when magma cools and crystallizes below or on the surface of the earth
- Lithification
- The set of chemical and physical processes that convert newly deposited sediment into rock.
- Metamorphic
- A type of rock formed by the squeezing and heating of rocks deep below the surface of the earth.
- Rock
- The material that forms Earth's hard surface, composed of minerals
- Rock Cycle
- A series of processes on the surface and inside Earth that slowly changes rocks from one kind to another.
- Sediment
- Earth materials, both mineral and organic, that have been transported and laid to rest on the earth's surface.
- Sedimentary
- A type of rock formed when horizontal layers of sediment harden into solid rock at or just below the earth's surface.