Metamorphic Rocks change I Agents of Metamorphism Agents

Metamorphic Rocks “change”

I. Agents of Metamorphism

Agents of Metamorphism • A. Heat • B. Pressure • C. Chemically Active Fluids

A mylonite formed from dynamic metamorphism

Metamorphic Rock Types A. Foliated B. Non Foliated

A. Foliated

A. Foliated rocks require heat, pressure, and Chemically active fluids. Parent Rock >>>> Metamorphic Rock

A. Foliated rocks require heat, pressure, and Chemically active fluids. Parent Rock >>>> Metamorphic Rock Granite………………….

A. Foliated rocks require heat, pressure, and Chemically active fluids. Parent Rock >>>> Metamorphic Rock Granite…………………. Gneiss

A. Foliated Parent Metamorphic Rock >>>> Rock Shale >>>>

A. Foliated Parent Metamorphic Rock >>>> Rock Shale >>>> Slate

A. Foliated Parent Metamorphic Rock >>>> Rock Shale >>>> Slate……Phyllite

A. Foliated Parent Metamorphic Rock >>>> Rock Shale >>>> Slate……Phyllite…. . Schist

A. Foliated Parent Metamorphic Rock >>>> Rock Shale >>>> Slate……Phyllite…. . Schist…. . Gniess

A. Foliated Parent Metamorphic Rock >>>> Rock Low Grade………………High Grade Shale >>>> Slate……Phyllite…. . Schist…. . Gniess

A. Foliated Low Grade………………High Grade Slate……Phyllite…. . Schist…. . Gniess

B. Non Foliated Need either Heat and Chemically active fluids, or High Pressure and. CAF Parent Metamorphic Rock >>>> Rock Limestone >>>>

B Non Foliated Parent Metamorphic Rock >>>> Rock Limestone >>>> Marble

B. Non Foliated Parent Metamorphic Rock >>>> Rock Sandstone >>>>

B. Non Foliated Parent Metamorphic Rock >>>> Rock Sandstone >>>> Quartzite

B. Non Foliated Parent Metamorphic Rock >>>> Rock Mafic Igneous Rock >>>>

B. Non Foliated Parent Metamorphic Rock >>>> Rock Mafic Igneous Rock >>>>>> Soapstone, Amphibolite, or Greenstone

B. Non Foliated Parent Metamorphic Rock >>>> Rock Bituminous >>>> Coal

Parent Metamorphoc Rock >>>> Rock Bituminous >>>> Coal Anthracite Coal

B. Non Foliated Parent Metamorphic Rock >>>> Rock ONLY HEAT AND CAF Shale …………. Hornfels

The Rock Cycle