Geol 110 Earth Materials Lecture MWF 12 50 1 40 p m Lab T 8 30 11 15 am OR Th 2 30 5 15 pm Professor Greg Druschel Office Delehanty 321 Office Hours WF 2 30 3 30 pm T A Kyle Ashley Class Goals Recognize major rock forming minerals and other selected minerals in hand specimen and thin section Master use of several techniques for the identification of minerals using the petrographic microscope Raman spectrometer XRD and XRF Develop the ability to relate crystal chemistry crystallographic alignment and physical attributes of a mineral to guide identification and assess a mineral s origin and history Grading Laboratories Lab exam Mid term exam Final exam Homeworks Participation 30 10 20 20 10 10 What is a mineral Structure of the Earth Volcanic provinces Lava Mt Pinatubo Basalt flows Plutons Intrusions Metamorphic settings Orogenic settings Ore deposits Oil Sedimentary deposition Weathering of any rock and transport of that material to lower E environment followed by lithification yields sed rx Depositional settings Keyed to transport of physical chemical components of parent material Tells 2 stories who were the parents and how far away did it go Chemical deposition Formation of minerals from aqueous solution requires some change in environment for the ions to precipitate Fossils Here parent material were organisms usually ones that were partially composed of a durable mineral material Requires a special depositional setting Quick burial fine chemical covering replacement reactions Also tell us approximate age of deposition Biominerals Microorganisms may also have a significant impact on mineralogy A word about classification Umbrella terms Mineral nomenclature similar to the taxonomy of animals plants and microbes
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