Metamorphic rocks and Sedimentary Rocks

Metamorphic rocks and Sedimentary Rocks - Metamorphic rocks...

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Metamorphic rocks must know differentiate between metamorphic and sedimentary rocks. Know difference between regional and contact. Know if they are foliated or non-foliated. Pre curser rocks… Foliated rocks have layers. It’s not due to deposition though foliated is because it was heated and the minerals spread out and all the parts aggregated together. Metamorphic rock- Is a pre existing rock that has had its physical state changed by heat and pressure. It’s not completely melted though. They can be made from other metamorphic rocks, igneous rocks, or sedimentary rocks. What is a precursor rock? Is the rock that gets metamorpha. Before becomes metamorphic. Metamorphic Rocks- 1. Quartzite Purplish/brown different color shades. Crystallized (on last test) Not foliated . 2. Gneiss black gray lines. Cool looking. Foliated. 3. Marble White crystals. Not Foliated. 4. Schist Gray big dots that look like they’re formed on the rock like other small rocks. Glittery looking when you turn it. Foliated.
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This note was uploaded on 04/10/2011 for the course GEOL 3002 taught by Professor Staff during the Fall '10 term at Georgia State University, Atlanta.

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Metamorphic rocks and Sedimentary Rocks - Metamorphic rocks...

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