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...

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Bibliographic Details
Main Authors: Lei Zhao, Colin R. Ward, David French, Ian T. Graham
Format: Article
Language:English
Published: MDPI AG 2015-12-01
Series:Minerals
Subjects:
Online Access:http://www.mdpi.com/2075-163X/5/4/0531