111-pp6(1)

111-pp6(1) - 1 Quiz Three (9:30-9:35 AM) GY 111: Physical...

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Unformatted text preview: 1 Quiz Three (9:30-9:35 AM) GY 111: Physical Geology GY 111: Physical Geology UNIVERSITY OF SOUTH ALABAMA Lecture 6: Plate Tectonics and Volcanism Lecture 6: Plate Tectonics and Volcanism Lecture 6: Plate Tectonics and Volcanism Last Time 1. Crystal Chemistry (Crystallography) 2. Mineral Classification (8 classes) 3. The Silicates (7 sub-classes) Web notes 5 Crystal Structures: CaF 2 (Fluorite) {-Ca 2+ {-F- Source: http:\\staff.aist.go.jp ¡ At last count, there are well over 4000 distinct At last count, there are well over 4000 distinct “minerals minerals ” in our solar system in our solar system ¡ They are composed of 90+ elements, as well as more They are composed of 90+ elements, as well as more complex ions like CO complex ions like CO 3 2- , SO , SO 4 2- , PO , PO 4 3- etc. etc. Why classify minerals? >3000 (i.e., most minerals) >3000 (i.e., most minerals) SiO SiO 4 4- Silicates Silicates VIII VIII apatite apatite PO PO 4 3- Phosphates Phosphates VII VII gypsum, anhydrite gypsum, anhydrite SO SO 4 2- Sulfates Sulfates VI VI calcite, aragonite, malachite calcite, aragonite, malachite CO CO 3 2- Carbonates Carbonates V halite, fluorite halite, fluorite Cl Cl- , Fl , Fl- Halides Halides IV IV Largely Largely Ionic Ionic hematite, magnetite, limonite hematite, magnetite, limonite O 2- OH OH- Oxides Oxides \hydroxides hydroxides III III Covalent Covalent Pyrite, Chalcopyrite, Galena Pyrite, Chalcopyrite, Galena S- Sulfides Sulfides II II...
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This note was uploaded on 02/04/2012 for the course GLY 111 taught by Professor Haywick during the Fall '11 term at S. Alabama.

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111-pp6(1) - 1 Quiz Three (9:30-9:35 AM) GY 111: Physical...

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