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PCS Earth Science

Chapter 6 vocab

TermDefinition
sediment pieces of solid material that have been deposited
clastic small pieces of sediments
deposition when particles settle in water or sink to the bottom
lithification process that change sediments into sedimentary rocks
cementation mineral growth cements sediment grains together into solid rock
bedding horizontal layering of rocks
graded bedding largest and heaviest on bottom, small on top
cross bedding inclined layers of sediments across a horizontal surface
erosion removal and movement of surface material
weathering set of physical and chemical processes that break rock into smaller pieces
clastic sedimentary rocks rocks formed from loose sediments
porosity pore space
evaporite crystal grains that precipitate our of supersaturated solution
regional metamorphism high pressure and temperature effect large region to for metamorphic rock
contact metamorphism occurs when molten rock come into contact with solid rock to form metamorphic rock
hydrothermal metamorphism very hot water reacts with rocks to form metamorphic rock
foliated wavy layers or bands of minerals in metamorphic rock
non-foliated lack mineral grains, blocky crystal shapes
porphyroblasts new large metamorphic crystals
rock cycle continuous changing of rock material from one type of rock to another.
Created by: cboula
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