Ce/Mo and Molybdenum Isotope Systematics in Subduction‐Related Orogenic Potassic Magmas of Central‐Southern Italy
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Molybdenum Isotope Systematics in Natural and Experimental Settings
Title of Document: MOLYBDENUM ISOTOPE SYSTEMATICS IN NATURAL AND EXPERIMENTAL SETTINGS Kathleen Dwyer Scheiderich, Ph.D. 2010 Directed By: Professor Richard J. Walker, Department of Geology Molybdenum isotopes have a broad potential applicability for paleoenvironmental analysis, particularly with respect to questions of eutrophication history, development of anoxia, and sedimentation under cond...
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Introduction: Iron redox systematics of the high FeO shergottitic liquids are poorly known, yet have a fundamental control on stability of phases such as magnetite, ilmenite, and pyroxenes [1]. Experiments: We undertook experiments to constrain the Fe 3+ /Fe(tot) in high FeO glasses as a function of fO2, melt P2O5, temperature and pressure. We also performed a series of sub-liquidus experiment ...
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Monte Amiata is a recently extinct volcano that produced trachydacites and a few small olivine latite flows. The Amiata suite showed crustal strontium, neodymium, and lead isotopic signatures. Sr/Sr ratio values ranged from 0.712447 to 0.713068 and Nd/Nd ratios ranged from 0.512094 to 0.512203. Pb/Pb values ranged from 15.6694 to 16.2330 and Pb/Pb ratios ranged from 18.7125 to 19.0882. The oliv...
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ژورنال
عنوان ژورنال: Geochemistry, Geophysics, Geosystems
سال: 2019
ISSN: 1525-2027,1525-2027
DOI: 10.1029/2019gc008193