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Geothermobarometry Partioning of Fe, Mg with Temperature: The Garnet-Biotite Geothermometer Fe, Mg have similar ionic radii, therefore volume change small The Garnet ...
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SILICATE MINERALS FRAMEWORK SILICATES include Orthoclase (KAlSi3O8), Oligoclase and ... SHEET SILICATES BIOTITE MUSCOVITE SINGLE CHAIN SILICATES include ...
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... Micas (biotite, muscovite):1 direction of cleavage. O:(Si+Al) = 2.5 5. Framework silicates: 3-d frameworks, all oxygens shared. O:Si+Al = 2.
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What is a rock? A rock is a combination of minerals. For example: Granite is composed of biotite, quartz, and feldspar. The Rock Cycle The Rock Cycle Igneous and ...
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Classification of Minerals. Native Elements minerals ... Amphibole Group. Muscovite. Biotite. These minerals make up more than 90% of the Earth's crust. ...
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... (chert & chalcedony) Muscovite K-feldspar albite_____ plagioclase feldspars hornblende, biotite pyroxene olivine Least Stable: From albite and above ...
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HOMESTAKE MINE. HOMESTAKE MINE. Existing Infrastructure. Geology / Rock Properties ... Proterozoic Stratigraphy. Grizzly Fm - Metagraywacke, sericite-biotite schist ...
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Clues to Rock Types. THE ROCK CYCLE. biotite mica. feldspar. quartz. Intrusive - Granite. Extrusive - Rhyolite. Andesite ...
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These minerals include olivines, pyroxenes, amphiboles and biotites. Olivenes. Pyroxene. Amphibole. Biotite. Silicates. Silicate materials make up 96% of the ...
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occurs as thin plates or sheets. includes muscovite (light), biotite (dark) silicate ... used in sculptures (alabaster variety) nonsilicate. minerals. Galena ...
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Quartz crystal displaying prism and pyramid faces. Faces display consistent ... Serpentine (Mg3Si2O5(OH)4. Chrysotile (Mg3Si2O5(OH)4. Sheet Silicate. Biotite ...
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pleochroic with one perfect cleavage; strong natural colour masks ... pleochroic with 2 cleavages at 60o or 120o distinguishing it from biotite or pyroxene ...
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Bowen's Reaction Series (for Silicate Minerals) Low. High. Olivine. Pyroxene. Amphibole. Biotite. Na Plagioclase. Ca Plagioclase. Orthoclase. Muscovite. Quartz ...
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Feldspar. Galena. Pyrite. Hematite. Muscovite Mica. Hornblende. Calcite. Chalcopyrite. Olivine. Halite. Magnetite. Flourite. Graphite. Biotite Mica. Talc. Quartz ...
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Polymict breccia. Kink banded biotite, planar fractures in quartz and feldspar (PDFs in quartz) ... sample of carbonatitic breccia (same matrix composition as ...
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Rocks formed from lava = extrusive, or volcanic rocks ... Olivine, pyroxene, amphibole, and biotite mica. Light (or nonferromagnesian) silicates ...
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Plagioclase. Muscovite. Quartz. Biotite. Garnet. Apatite. Tourmaline. Beryl. Augite. Magnetite. Epidote. Chromite. Olivine. Serpentine. Talc. Chrysotile ...
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Here is a photograph and an x-ray fluorescence map of Cs (the La line) of a ... photograph of biotite cross-section. Cs fluorescece map of biotite cross-section ...
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... minerals: Olivine, pyroxene, amphibole, biotite, mica, feldspar, and ... Silica-rich rocks contain the minerals quartz, feldspar, mica, and amphibole. ...
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Granite, Diorite, Gabbro, Dunite, Rhyolite, Andesite, Basals, Obsidian, Pumice, Scoria, Tuff ... Gabbro. Amphibole, plagioclase, and perhaps some biotite ...
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... epidote albite actinolite quartz titanite. Epidote amphibolite ... Albite-epidote hornfels facies: biotite muscovite chlorite albite quartz ...
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Basalt Andesite Dacite. Minerals. Olivene. Hypersthene. Augite. Hornblende Biotite. Plagioclase ... Pahoehoe Andesite. Rhyolite. Tuff. Obsidian. Pumice ...
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New Views of an Old Planet (scales) Microbial Environments: focus on aqueous ... ( amphibole/hornblende) Sheet (mica: biotite or muscovite) 3D-framework ...
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AMPHIBOLE. SHEET. 3. SHEET (Micas / biotite) SINGLE. TETRAHEDON. 0. 1500O C. 700O C. low silica ... AMPHIBOLE. SHEET. 3. MICA *(from weathering) CLAY (Kaolinite) ...
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http://digital-desert.com/death-valley-geology/stirling-quartzite.html ... Schist: contains biotite, muscovite, amphibole, and garnet ...
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a natural, usually inorganic solid that has a characteristic chemical ... muscovite, biotite, calcite, dolomite, halite, gypsum, and ferromagnesian minerals. ...
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Isograds for a single shale unit ... Degrades to almandine (garnet at higher T) staurolite muscovite quartz = almandine aluminosilicate biotite water ...
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Sample Rock Types. Some may be useful for HW 8 (Due March ... Pink Granite from Llano Uplift, TX. Interlocking feldspar (pink), quartz (white), biotite (black) ...
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Down-Dip lineation (Lok) perpendicular to bedding cleavage intersection (L1) S1- principle cleavage. S2m mineral fabric defined by aligned biotite. What we do ...
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Oxidation. Oxygen combines with iron-bearing silicate minerals ... 2. The biotite & amphibole will undergo hydrolysis to form clay, and oxidation to form ...
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... to La Posta Pluton emplacement, Laramide shallow subduction, and forearc ... pluton emplacement determined from 40Ar/39Ar cooling ages on biotite and ...
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What is the difference between magma & lava? Lava is magma above ground. Types of ... It also contains plagiocas, biotite, amphibole, pyroxene, and olivine. ...
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METAPELITIC REACTIONS AND FACIES Metapelitic Zones Metapelitic Zones and Facies Aluminosilicate Minerals and Metamorphic Facies Greenschist Facies Chlorite and ...
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Michael S. Smith. University of North Carolina Wilmington. The emerald bearing Crabtree pegmatite pre-dates the intrusion of the Spruce ...
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Geothermobarometry How do we know P and T? Geothermobarometry Need min. at equilibrium Good barometer rxn vs. good thermometer rxn Which has large DV and which has ...
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Title: Lecture notes on Metamorphic Petrology Author: Dr. Mahrous Abu El-Enen Last modified by: name Created Date: 9/16/2004 8:52:09 PM Document presentation format
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PowerPoint Presentation ... AFM Diagram
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The ROCKS you need to know. granite. diorite. gabbro. dolerite ... Gabbro. Coarse-grained; darker under PPL and brightly coloured under XPL; main minerals ...
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The Velay dome (French Massif Central): Melt generation and granite emplacement during orogenic evolution P. Ledrua,*, G.Courriouxa, C. Dallainb, J.M Lardeauxc, J.M ...
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Mount Pelee 1902 St. Pierre Mount Pelee 28,000 killed 1 survivor 17 ships in the harbor destroyed Ash cloud swept through town at 125MPH Event lasted 5 minutes
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Ch 5 Weathering & Erosion Objectives Briefly contrast weathering and erosion. Contrast chemical and mechanical weathering. List and describe the types of ...
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Geothermobarametry Gibbs-Duhem equation describes how T and P changes affect free energy (as chemical potential) Reaction with big DSR change a good barometer ...
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Granodiorite is less known and used igneous rock falling in intrusive type.
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Background Connecting Pakistan to China Through Karakoram mountains Construction ... sedimentary Coloured Symbols igneous rocks Black symbols metamorphic ...
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Yet they are not accurate, because they do not hit the bulls-eye. b. ... but they are accurate, because the average of the shots is near the bulls-eye. c. ...
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The Phase Rule in Metamorphic Systems Consider the following three scenarios: C = 1 (Al2SiO5) F = 1 common F = 2 rare F = 3 only at the specific P-T conditions of the ...
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Lecture notes on Metamorphic Petrology Author: Dr. Mahrous Abu El-Enen ... -2- Metabasites at the greenschist and amphibolite facies conditions ...
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Bowens Reaction Series
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Mineral Identification Practice Tutorial ESRT Mineral Chart Metallic Minerals Non-Metallic Minerals Non-Metallic Minerals Non-Metallic Minerals Mineral Identification ...
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Aluminosilicate Minerals 3 polymorphs of Al2SiO5 are important metamorphic minerals Topaz Aluminosilicate mineral as well, one oxygen substituted with OH, F Al2SiO4 ...
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Measuring T and P in Rocks No Pure Geothermometers or Geobarometers All mineral equilibria depend on T, P and other variables. Some minerals (staurolite) appear over ...
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Metamorphic Facies: Reminder of principle metamorphic changes: 1/ Recrystallization changes in grain size responding to T & P changes. Coarsening of grains is common ...
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A ZAF correction package provided by JEOL was used for data reduction. A variety of mineral standards (comprising some 15 different minerals) ...
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