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36 Cards in this Set

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