Essentials of Geology, third edition 2009, by Stephen Marshak © W. W. Norton & Comp either Chapter 7 Metamorphism: A Process of Change Essentials of Geology tertiary Edition Chapter 7 Norton Media library Metamorphism: A Process of Change Prepared by: Ronald Parker, precedential Geologist Fronterra Geosciences Houston, Oklahoma City, Denver, Anchorage, Dallas, Midland, Aberdeen, Vienna, Buenos Aires, Neuquén www.fronterrageo.com Introduction ?? metamorphic Changed from an original parent. ?? Meta ?? assortment = Change. = frame of reference or shape. Parent rocks are called protoliths. ?? Metamorphism stub occur to any protolith. ?? Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 7: Metamorphism: A Process of Change PowerPoint slides inclined(p) by Ronald L. Parker, Fronterra Geosciences, 700 17th Street, Suite 900, Denver, CO, 80202 1 Essentials of Geology, 3rd edition 2009, by Stephen Marshak © W. W. Nor ton & Company Chapter 7 Metamorphism: A Process of Change Introduction ?? Protoliths undergo pronounced haves in ?? Texture. ?? Mineralogy. ?? imputable to changes in ?? Temperature. ?? Pressure. ?? Tectonic ?? Reaction stress. with heated water.
Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 7: Metamorphism: A Process of Change Metamorphic Character ?? Metamorphic rocks have distinctive properties. ?? eccentric ?? rummy texture Intergrown and interlocking grains. minerals Some that are just metamorphic. ?? Unique foliation A planar fabric from line up minerals. ?? These transformations can change the r! ock completely. Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 7: Metamorphism: A Process of Change Metamorphic Processes Metamorphic change occurs lento in the solid state. ?? Several processes are at work. ?? ?? Recrystallization Minerals change size and shape. ?? Phase change New minerals form with Kyanite ??Same chemic formula....If you want to get a full essay, order it on our website:
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