Sedimentary Rocks

Post on 18-Nov-2014

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Transcript of Sedimentary Rocks

1. Liquid rock that is below the Earth’s surface is called .A. lava B. magmaC. minerals D. igneous

2. Igneous rocks form from .A. fire B. other rocksC. melted minerals D. dirt

3. Igneous rocks that cool slowly, like granite, have crystals.A. small B. noC. large D. a lot of

4. Igneous rocks that cool quickly, like basalt, have crystals.A. small B. noC. large D. a lot of

5. Igneous rocks that cool extra fast, like pumice, have crystals.A. small B. noC. large D. a lot of

ReviewReview Igneous rocksIgneous rocksSlow cooling = large Slow cooling = large crystalscrystals

Fast cooling = small crystalsFast cooling = small crystalsExtremely fast = no crystals Extremely fast = no crystals or frothyor frothy

Sedimentary Sedimentary RocksRocks Rocks formed Rocks formed

from: from: Pieces of Pieces of

other rocks,other rocks, Once living Once living

things,things, Liquid Liquid

solutionssolutions

Pieces of Other RocksPieces of Other Rocks

Layers of sediment harden Layers of sediment harden into rockinto rock

11stst : Compaction, sandstone : Compaction, sandstone22ndnd: : Cementation, Cementation,

conglomerate conglomerate

Pieces of Other RocksPieces of Other Rocks

Some form under Some form under water, shalewater, shale

Once Living ThingsOnce Living Things

Coal- layers of plantsCoal- layers of plantsCoquina- sea shells Coquina- sea shells

Liquid SolutionsLiquid Solutions Limestone- calcium Limestone- calcium

carbonate dissolved in sea carbonate dissolved in sea waterwater

The water evaporates, The water evaporates, limestone formslimestone forms

FossilsFossils Plants and animals can get Plants and animals can get

buried in the sedimentburied in the sediment When rock forms, their When rock forms, their

impression, bones, or shells impression, bones, or shells remain remain