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22 Cards in this Set
- Front
- Back
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Bowens reaction series
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The series is broken in to two branches: continuous and the discontinuous. picture- continued
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Intrusive
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formed below surface
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extrusive
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formed at the surface
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Sedimentary rocks
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form from sediment (weathered products), used to reconstruct much of earth's history. -past environments -info on sediment transport -often contain fossils |
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What two groups are sedimentary rocks divided in to
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Detrial and chemical
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Metamorphic rocks
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"changed form" rocks. Produced from preexisting igneous, sedimentary, and other meaphorfed rocks.
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where do metamorphic rock take place?
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where preexising rock is subjected to temperatures and pressures. unlike those in which it formed
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where sediments come from?
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Mechanical or chemical weathering of preexisting rocks and minerals.
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Detrital |
sediments made up of mineral grains or parts of other rocks
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chemical
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precipitate from solution of remains of biologic organisms
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Biochemical
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directly precipitated as the result of physical process or, through life processes
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Frost action
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is the most important mechanical weathering process
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during _________, the material that is deforming remains a solid
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Metamorphism
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Metamorphic agents
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Heat, pressure (stress), chemically active fluids -contact, or thermal metamorphism -regional metamorphism |
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where do coal beds come from?
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Contact metamorphism
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occurs near body of magma, changes are driven by a rise in temperature
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Regional metamorphism
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directed pressures and high temperatures during mountain building -produces the greatest volume of metamorphic rock |
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________ and ____ _____ are chemical sedimentary rocks
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Gypsum and rock salt -gypsum: used in drywall construction |
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how do Gypsum and rock salt form?
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Mechanical weathering
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Chemical weathering
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what are the factors affecting mechanical and chemical weathering ?
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