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36 Cards in this Set
- Front
- Back
3 types of rocks are
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igneous
metamorphic sedimentary |
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Sedimentary rocks are formed by
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compressed or cemented deposits of sediments due to weathering and erosion
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3 types of sedimentary rocks are
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clastic
chemical organic |
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3 examples of CLASTIC sedimentary rocks are
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conglomerate
sandstone shale |
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2 Examples of CHEMICAL sedimentary rocks are
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rocksalt
limestone |
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2 examples of ORGANIC sedimentary rocks are
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coquina
coal chalk |
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The processes by which sed. rocks are formed are
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weathering
erosion compaction cementation |
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When a sedimentary rock has visible layers, it is called
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stratified
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Igneous rocks are formed
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molten rock that has cooled/solidified
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Igneous rocks are the most ________ on earth.
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abundant rock
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Igneous rocks are clasified according to orgin, ____, ____, and _____.
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texture, mineral, and composition
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Extrusitve rock
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lava erupts onto the earth's surface, cools quickly, forming small crystals.
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Examples of extrusive rocks
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basalt, obsidian, pumice
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Intrustive rock
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formed from hardening of magma below earth's surface slowly cooling, forming large crystals
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Examples of intrusive rocks:
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granite
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Fine grained (texture)
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rapid cooling from small crystals
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Examples of fine grained
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basalt, obsidian, pumice
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Course grained (texture)
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slow cooling large crystals
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Examples of course grained
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granite
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Metamorphic rocks are formed when
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igenous, sedimentary, or even other metamorphic rocks undergo changes due to heat or pressure
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Meta=
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change
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Morph=
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form
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Metamorphic rocks change due to _______ and _______.
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heat and pressure
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Parent rocks are
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original rocks before heat and pressure was applied.
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These parent rocks turn to what metamorphic rocks?
granite = limestone = sandstone = shale = basalt = |
granite = gneiss
limestone = marble sandstone = quartzite shale = slate basalt = schist |
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Foliated rocks are
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mineral grains are arranged so that visible bands are visible.
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Examples of foliated rocks:
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slate, gneiss, schist, and soapstone
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Non foliated rocks are
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mineral grains are arranged
R-A-N-D-O-M-L-Y. No visible layers. |
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Examples of non-foliated rocks are
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marble and quartzite
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Rocks are always______
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changing.
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There is no special ___ place to the rock cycle.
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starting
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The rock cycle occurs over a ___ period of time.
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LONG
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Define Rock Cycle
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a series of processes on earth's surface and inside the planed that slowly change rocks from on kind to another.
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A metamorphic rock can become sedimentary by w_____ and e_____.
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weathering and erosion
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A sedimentary rock can become igenous rock by m_____ and c____.
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melting and cooling
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An igneous rock can become a metamorphic rock by h_____ and p______.
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heat and pressure
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