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14 Cards in this Set

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Sedimentary rocks in the rock cycle
weathering --> eroding --> deposited --> Lithified
what process do they go through (4 parts)
What are the 2 lithification processes?
compaction
cementation
compaction
pressured to the point where there is a loss of pore space
cementation
cemented by material deposited in pores
beds
individual rock layers
Law of Super-position
youngest strata of rock on top... oldest strata on bottom
Principle of Uniformitarianism
study todays rocks will help us understand ancient rocks and times
"present is key to the past"
Clastic / Detrital rock
- composed of solid particles from pre-existing rock
- classified on particle size
Chemical rock
- consists of minerals
maturity
how clastic sedimentary rocks change in texture and size with time and distance from source
What are the 2 non-clastic sedimentary rocks called?
biochemical and organic
biochemical rock
fragments produced by organisms
organic rock
lithified remains of plant/animals
evaporites
deposit that forms when water is evaporated from substance