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22 Cards in this Set
- Front
- Back
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Small, solid pieces of material that come from rocks or living things are...
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sediment
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The formationof sedimentary rock includes a sequence of what four processes?
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1) weathering 2) erosion
3) deposition 4) compaction and cementation |
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Name three out of five types of weathering that breaks large boulders into sediment pieces.
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1) ice
2) rapid temperature changes 3) abrasion 4) organic activity 5) gravity |
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The process by which running water, wind, or ice carry away bits of broken-up rock (sediment) is called...
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erosion
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The process of water carrying sediment to a lake or ocean and the sediment sttles out of the wind or water carrying it is called...
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deposition
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The process by which thick layers of desiment build up gradually over millions of years and the weight of new layers squeezes older sediments tightly together is called
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compaction
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The process by which dissolved minerals crystallize and glue particles of sediment together is...
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cementation
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The three main sedimentary rock classifications are...
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clastic, organic, and chemical
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Most sedimentary rocks are made up of broken pieces of other rocks; these are called...
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clastic rocks
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With clastic rocks, the size of the sediment fragments can range from ____ to ________
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too small to be seen without a microscope to heavy boulders
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How are clastic rocks classified (grouped)?
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by the size of their rock fragments or particles
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A clastic rock formed when water deposits tiny particles of clay in thin flat layers is...
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shale
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A clastic rock formed from sand piling up on beaches, ocean floors, riverbeds, and dunes is called
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sandstone
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If the sediments of clastic rock have rounded edges, that rock is called...
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conglomerate
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If the sediments of clastic rock have sharp edges, that rock is called...
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breccia
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Sedimentary rocks that form from ther remains of plants and animals deposited in layers belong to a major classification called
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organic rocks
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Name two organic rocks
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bituminous coal, limestone
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An organic, sedimentary rock formed from layers of the remains of swamp plants is..
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bituminous coal
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An organic, sedimentary rock formed from layers of coral, clam, and oyster shells containing calcite is
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limestone
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Sedimentary rocks formed when minerals dissolved in water solution crystallize belong to a major classification called...
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chemical rocks
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Two examples of sedimentary, chemical rocks are...
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rock salt and halite
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Identify three sedimentary rock types and a use for each type.
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1) CHERT (used for spearheads)
2) FLINT (used to make spark) 3) SANDSTONE (building material) 4) LIMESTONE (building material) |
