Slideshow 101.17 Metamorphic Rock Facies and Environments

Slideshow 101.17 Metamorphic Rock Facies and Environments -...

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Unformatted text preview: Metamorphic Rocks Metamorphic Rocks Metamorphic Rocks- Why are they different Conditions for their formation - agents Heat Pressure Fluids What affects these conditions magma tectonics Subduction Hydrothermal The Rocks they form Foliated Non-foliated Metamorphic Rocks Metamorphic Rocks Another contact metamorphic Rock type: Hornfels: contact metamorphism High temperature, low pressure a series of contact - metamorphic rocks that have been baked and indurated by the heat of intrusive igneous masses and have been rendered massive and hard. The mineral content of a hornfels depends on the composition of the protolith. Randomly oriented crystals Randomly oriented crystals Metamorphic Rocks Metamorphic Rocks Metamorphic Environments… Let’s start with some scary diagrams… Metamorphic Rocks Metamorphic Rocks Grades of Metamorphism Metamorphic conditions exist between sedimentary rock formation and melting, and they vary (temperature and pressure)...
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This note was uploaded on 04/11/2008 for the course GEOL 101 taught by Professor Winstonnorrish during the Fall '07 term at Central Washington University.

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Slideshow 101.17 Metamorphic Rock Facies and Environments -...

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