PPT-Redox in Magmatic Systems

Activities in NonIdeal Solutions Lecture 10 Line 5 has a slope of 1 and an intercept of log K We can also use pe pH diagrams to illustrate stability of solid phases in presence of solution In this case we must choose concentration. MINERALS DOWN UNDER NATIONAL RESEARCH FLAGSHIP. Steve Barnes, . CSIRO Earth Science and Resource Engineering. GA Mineral Systems June . 2012. Fertility (as applied to magmas). Do particular kinds of magmas have a tendency to give rise to ore deposits?. Starter . What is . redox. ?. Redox – what?. Oxidation and reduction happen at the same time. There is no net gain or loss of electrons.. e. -. You can’t just create them or destroy them!. Example: the . Igneous and Metamorphic Petrology. Lecture . 9a. Diversification of Magmas. February . 17, 2016. Creating Diverse Magma Compositions. Processes Occurring in the Mantle. different degrees of partial melting of the mantle. Definition. If oxidation occurs, then reduction must also occur. Any chemical process in which elements undergo a change in oxidation number is a . Redox reaction. Example. 2Na + Cl. 2. . → 2Na. 508. -2015_109. N. American Cordillera scale. No depth bias;. Mostly upper plate-derived magmas;. Significant pre-existing crust involved;. Flare-ups are compressional;. Fluxes vary by a factor of 10.. Wolfcamp. . Fm. :. A Reality Check. Milly Wright, Eliza . Mathia. , . Ken Ratcliffe . Chemostrat Inc.. Why “Model” TOC ?. TOC . in “shale” plays is . critical . Why some proxies don’t work? What does this tell us about the depositional setting of the . Simian Zhu, University of Dundee, UK. Laser Doppler Flowmetry. The dynamic changes of blood perfusion can be recorded by . Laser Doppler . Flowmetry (. LDF) . and analysed by mathematic tools; considering the physiology of microvascular, the frequency spectrum of LDF signal after wavelet transfer can be corresponded to five . Aka REDOX reactions. Electrochemistry. The study of chemical reactions involving the transfer of electrons between reactants. . Oxidation. Loss of electrons. happens at the anode. Reduction. gain of electrons. electrons. gained. lost. Red. uction and . ox. idation reactions – . redox. . reactions. o. xygen atoms. lost. gained. A. re . these reactions . examples of oxidation or reduction?. 1. . C. . Organic matter generated with photosynthesis. Organic matter decomposes (. remineralized. ) during respiration. Photosynthesis. Reaction that converts CO. 2. plus nutrients (N, P, other micronutrients) to organic matter and oxygen. TTGs We Have Known and Loved: 1.5 Ga of Growth and Recycling of Archean Continental Crust in the Northern Wyoming Craton (NWC)   Mogk , D. W. 1 , Mueller, P.A. 2 , Wooden, J.L. 3 , and Henry, D.J. 1675 University Blvd, WEBB 416 & 418. Lab phone:(205) 996-2661. Director: Douglas Moellering, PhD. Research Associates: . Kelley Smith-Johnston, BS: . johnk@uab.edu. Melissa J. Sammy, PhD: . mjsammy@uab.edu. Carbon Cycling. Louis A. Derry. Cornell University. Snapshot of modern/recent data: impact of Himalaya on C cycle. Hundreds of hot springs along Himalayan front, “MCT zone” (Oldham, J . Geol. . Soc. Reactions. 17.2 Galvanic . Cells. 17.3 Standard . Reduction Potentials. 17.4. . Concentration Cells and Nernst Equation. 17.5. . Batteries and Fuel Cells. 17.6. . Corrosion and Corrosion Prevention.