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Late Visean–Early Namurian Bivalves From the Zonguldak Coal Basin, Northwestern Turkey
bivalvia Septimyalina Posidonia Early Carboniferous Zonguldak Turkey
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2009/7/7
Marine bivalves Septimyalina sublamellosa (Etheridge 1878), Septimyalina lamellosa (de Koninck 1842), Septimyalina minor (Brown 1841) and Posidonia becheri Bronn, 1828 are described from the Visean-Na...
Mineralogy, Geochemistry, and Origin of the Underclays of the Central Coal Basin, Asturias, Spain
Chlorite Diagenesis Illite Illite/smectite Paragonite Pyrophyllite Underclay
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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...