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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Hydrothermal uranium deposits and sulfur isotopes

Authors: Genqing Cai;

Hydrothermal uranium deposits and sulfur isotopes

Abstract

Research on sulfur isotopes in hydrothermal uranium deposits with acid alterations shed much light on the genetic aspects of hydrothermal uranium deposits. Based on the studies of uranium deposits of different genesis, it is concluded that σ34S of Sulfides in hydrothermal uranium deposits derived from residual magma is within the range of +2‰ −2.6‰, approximately the same as meteorite sulfur. δ34S of Sulfides in polygenetic hydrothermal uranium deposits is slightly lighter than meteorite sulfur and varies over a restricted range (6.7‰), averaging −10.15‰. Two intervals can be recognized with respect to sulfur isotopic compositions in palingenetic hydrothermal uranium deposits. δ34S of sulfides formed in diagenesis, autometamorphism and hypothermal stages is similar to meteorite sulfur. On the other hand, at the stage starting from the alteration of uranium mineralization to the formation o uranium deposits and postmineralization the average δ34S is -7.89‰, with a wider range of δ34S variation (13.7‰), which can be attributed to the enrichment of δ34S in palingenetic hydrothermal solutions.

Subjects by Vocabulary

Microsoft Academic Graph classification: Geochemistry chemistry.chemical_element Uranium engineering.material Sulfur Hydrothermal circulation Diagenesis Uranium ore δ34S chemistry Meteorite engineering Pyrite Geology

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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