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Molybdenum-uranium-vanadium geochemistry in the lower Paleozoic Alum Shale of Scandinavia: Implications for vanadium exploration
Abstract
This paper investigates the hyper-enrichments of molybdenum (Mo), uranium (U), and vanadium (V) in the lower Paleozoic, Alum Shale of Denmark, Sweden, Norway, and Estonia. Molybdenum and U are mainly associated with organic matter and the highest contents are found in the Furongian part of the Alum Shale. This Furongian hyper-enrichment of Mo and U commenced with the Steptoean Positive Carbon Isotope Excursion (SPICE) event. The temporal distribution of V content increases moderately from the Miaolingian to the Furongian, followed by a significant increase in the Early Ordovician. In addition, the vanadium content generally increases towards the offshore, distal part of the Alum Shale basin. The geochemical affinity of V seems to change from organic matter in the Cambrian to minerals in the Early Ordovician. The hyper-enrichment of V in the Lower Ordovician succession appears to result from upwelling of deep oceanic water. The spatial distribution of V in the Alum Shale indicates that the highest concentrations are located in Scania, southernmost Sweden.
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Authors (12)
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Leibo Bian Dr
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Niels H. Schovsbo
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Anthony Chappaz
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Xiaowei Zheng
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Arne Thorshøj Nielsen
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Thomas Ulrich
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Xibo Wang
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Shifeng Dai
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Jennifer M. Galloway
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Xuhui Xu
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Hamed Sanei
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
INTERNATIONAL JOURNAL OF COAL GEOLOGY
no. 239,
ISSN: 0166-5162 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Bian L., Schovsbo N., Chappaz A., Zheng X., Nielsen A., Ulrich T., Wang X., Dai S., Galloway J., Małachowska A., Xu X., Sanei H.: Molybdenum-uranium-vanadium geochemistry in the lower Paleozoic Alum Shale of Scandinavia: Implications for vanadium exploration// INTERNATIONAL JOURNAL OF COAL GEOLOGY -Vol. 239, (2021), s.103730-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.coal.2021.103730
- Verified by:
- Gdańsk University of Technology
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