Rare earth elements stratigraphic significance in late Permian coal measure from Bijie City, Guizhou Province, China |
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| Authors: | WANG Qiang YANG Ruidong BAO Miao |
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| Affiliation: | [1]Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China [3]School of Resources and Environmental Engineering, Guizhou University, Guiyang 550003, China |
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| Abstract: | Rare earth elements (REEs) are good geological indicators. In order to understand REEs stratigraphic significance, REEs m Late Permian coal measure from Bijie City, western Guizhou Province, China were studied. The results showed that the contents of both light rare earth element (LREE) and ∑ REE were sharply increased in the boundary between Longtan Formation and Changxing Formation, which resulted from the gyration and discontinuity eruption of Emeishan basalt (REEs source) and frequent transgression-regression during forming coal. The coal measure and strata could be subdivided and correlate, and the sea-level change could be under stood by studying REEs content variation in coal measure. |
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| Keywords: | stratigraphy source transgression-regression Bijie City Late Permian rare earths |
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