Science: Rock Vocabulary
Terms
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- nonfoliated
- Metamorphic rock that does not appear to have any regular pattern.
- composition
- minerals a rock is made of determine this.
- rock
- a solid mixture of crystals of one or more minerals
- magma
- The hot liquid that forms when rock melts is this.
- rock cycle
- is the process by which one rock type changes into another
- foliated
- Metamorphic rock that consists of minerals that are aligned and look like pages of a book
- extrusive
- Igneous rock that forms on the Earth's surface is called this.
- igneous rock
- is rock that forms from the cooling of magma.
- intrusive
- When magma cools beneath the Earth's surface, the resulting rock is called this.
- sedimentary rock
- is rock that forms when sediments are compacted and cemented together
- strata
- The most noticable feature of Sedimentary rock is its layers, or this.
- metamorphic rock
- is a rock that forms when the texture and composition of a preexisting rock is changed by heat or pressure deep underground
- stratification
- Layering of sedimentary rock
- texture
- is determined by sizes, shapes, and positions of the grains of which it is made.