Genetic relationship between unroofing of the Emeishan large igneous province and the iron-polymetallic deposit in western Guizhou, Southwestern China: Constraint from U-Pb geochronology and geochemistry of zircon

This paper reports an integrated study of in situ U-Pb geochronology and elemental geochemistry of zircons from the Xianglushan iron-polymetallic deposit in western Guizhou Province, Southwest China. Genetic relationship between this new type of deposit and unroofing of the Emeishan large igneous pr...

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Bibliographic Details
Published in:Science China. Earth sciences 2015-11, Vol.58 (11), p.1939-1950
Main Authors: Meng, ChangZhong, Chen, Yang, Zhang, YingHua, Wu, Hui, Ling, WenLi, Zhang, Hai, Liu, Jun
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Geochemistry
Geological time
Humid climates
Igneous rocks
Iron
Laterites
Permian
Research Paper
Spatial distribution
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Summary:This paper reports an integrated study of in situ U-Pb geochronology and elemental geochemistry of zircons from the Xianglushan iron-polymetallic deposit in western Guizhou Province, Southwest China. Genetic relationship between this new type of deposit and unroofing of the Emeishan large igneous province (ELIP) is focused. Along with the zoning pattern in spatial distribution of diverse weathering-related deposits along the southern and southeastern margins of the ELIP, it is suggested that the genesis of the iron-polymetallic deposit was specialized by factors of coastal paleogeography in hot-humid climate, where iron-enriched laterites formed, and repetitive marine transgression-regression occurred during the Late Permian.
ISSN:1674-7313
1869-1897
DOI:10.1007/s11430-015-5066-x