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GFHS Sedimentary Rocks
Study for Sedimentary Rocks
12
Geology
10th Grade
01/21/2018

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Cards

Term
Clastic
Definition
made of pieces of other rock, minerals or shell
Term
sediments
Definition
small pieces of rock, sand, or gravel created from erosion of other rocks
Term
deposition
Definition
rocks transported and moved to a new location (deposited). Oldest is on the bottom.
Term
chemical sedimentary rocks
Definition
rocks created through precipitation from water. examples include limestone and halite
Term
bioclastic/biochemical sedimentary rocks
Definition
rocks made from biologic material or shells fused together. Example includes limestone and coal
Term
sedimentary rock formed by
Definition
compaction and cementation
Term
fossils
Definition
only found in sedimentary rock
Term
rock made from silt-sized sediments
Definition
siltstone
Term
rock made from sand-sized sediments
Definition
sandstone
Term
rock made from clay-sized sediments
Definition
shale
Term
rock made from pebble or larger sediments
Definition
conglomerate (rounded) or breccua (angular)
Term
weathering
Definition
breaking down of rocks - can be mechanical or chemical
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