Major and Trace Element Geochemistry of Coals and Intra-Seam Claystones from the Songzao Coalfield, SW China
Silicic, mafic and alkali intra-seam tonsteins have been known from SW China for a number of years. This paper reports on the geochemical compositions of coals and tonsteins from three seam sections of the Songzao Coalfield, SW China, and evaluates the geological factors responsible for the chemical...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2015-12-01
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Series: | Minerals |
Subjects: | |
Online Access: | http://www.mdpi.com/2075-163X/5/4/0531 |