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ROCKS (Rock cycle (erosion (weather, chemical, glaicers, living things,…
ROCKS
Rock cycle
Metamorphic
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created from pressure and heat
most metamorphic rocks have foliated bands
some have crystals
Igneous
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Extrusive
fast cooling
Multicolored
Large cryslals
Intrusive
Glassy
Slow cooling
Small cryslals
Holes
lava
magma
Sedimentary
made from pebbles and boulders
Chemical
solids left after a body of water evaporates
organic
made from organic material
clastic
squeezed together
sediments
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erosion
weather
chemical
glaicers
living things
gravity
more than 1 mineral
minerals
inorganic
color
cleavage
luster
crystal structure
density
hardness
taste
magnetism
mining
subsurface
gems
diamonds
emeralds
rubies
sapphires
underground
surface
ore
open pit
community concerns
reclamation
nature
can be made from organic materials
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fossils
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plant material
