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Mineralogy, Geochemistry, and Origin of the Underclays of the Central Coal Basin, Asturias, Spain
Chlorite Diagenesis Illite Illite/smectite Paragonite Pyrophyllite Underclay
2012/1/4
Samples of underclays corresponding to nine different coal beds of the María Luisa coal seam in the Aller valley (Asturias, Spain) were collected to determine whether their mineralogy and geochemistry...