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Science 6 D2

Rock Cycle
a data set by elancour
created October 13, 2016
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worddefinition
DepositionThe dropping of rocks when wind or water slows down or ice melts
Clastic rockRock made by sediments that are mechanically weathered, moved and deposited (smaller pieces have been moved farther)
MetamorphismThe changing of rock by great (intense) heat and pressure
WeatheringThe breaking of rock into small pieces
Igneous rockRock formed when magma cools and crystallizes (granite, obsidian, pumice)
MineralA natural, inorganic, solid material with a definite chemical composition and physical structure
SedimentationThe building up of layers of sediment over a long period of time
MagmaMolten (hot, melted) rock within the earth Less dense than solid rock
ErosionThe movement of sediments to a new location by wind, water or ice
CementationThe gluing together of sediments
Chemical rockRock formed when minerals dissolved in water come out of solution Sometimes from shells
Rock cycleRocks change from one form to another form (shown in a diagram)
LavaMagma that reaches the surface Melted rock that flows
Sedimentary rocksFormed by 1) weathering, 2) erosion, 3) deposition and then 4) cementation Shale, sandstone, halite
FoliatedLayers in the rock
Extrusive/Intrusive Igneous RocksExtrusive: fine grained Intrusive: large grained
Metamorphic rocksFormed under heat and pressure (Marble, slate, talc, graphite)
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