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Metamorphic Rocks “change”
I. Agents of Metamorphism
A. Heat B. Pressure C. Chemically Active Fluids
II. Types of Metamorphism A. Contact “baking and CAF”
II. Types of Metamorphism A. Contact B. Regional “heat, pressure, CAF”
II. Types of Metamorphism A. Contact B. Regional C. Dynamic “along fault zones”
A mylonite formed from dynamic metamorphism
III. Metamorphic Rock Types A. Foliated (regional meta.) B. Non Foliated (regional or contact meta.)
A. Foliated foliated rocks require heat, pressure, and Chem. Active fluids. Parent Rock >>>>>>>> Meta. Rock
A. Foliated foliated rocks require heat, pressure, and Chem. Active fluids. Parent Rock >>>>>>>> Meta. Rock Granite………………….
A. Foliated foliated rocks require heat, pressure, and Chem. Active fluids. Parent Rock >>>>>>>> Meta. Rock Granite………………….Gneiss
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>>
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>> Slate
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>> Slate……Phyllite
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>> Slate……Phyllite…..Schist
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>> Slate……Phyllite…..Schist…..Gniess
A. Foliated Parent Meta. Rock >>>>>>>> Rock Shale >>>>>>>> Slate……Phyllite…..Schist…..Gniess Low Grade………………High Grade
A. Foliated Slate……Phyllite…..Schist…..Gniess Low Grade………………High Grade
A. Non Foliated Need either Heat and CAF, or H,P,CAF Parent Meta. Rock >>>>>>>> Rock Limestone >>>>>>>>
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Limestone >>>>>>>> Marble
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Sandstone >>>>>>>>
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Sandstone >>>>>>>> Quartzite
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Mafic Ign Rock >>>>>>>>
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Mafic Ign Rock >>>>>>>> Soapstone, Amphibolite, or Greenstone
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock Bituminous >>>>>>>> Coal
Parent Meta. Rock >>>>>>>> Rock Bituminous >>>>>>>> Anthracite Coal
A. Non Foliated Parent Meta. Rock >>>>>>>> Rock ONLY HEAT AND CAF Shale …………. Hornfels
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