Petrography, biomarker composition, mineralogy, inorganic geochemistry and paleodepositional environment of coals from La Ballesta mine, Peñarroya Basin, Spain
Abstract:Purpose The purpose of this work is to study coal samples from various exposed seams of the La Ballesta mine, at the southeastern edge of the Peñarroya-Belmez-Espiel coalfield, southwestern Spain. Shaly seat-and caprocks were also investigated. Method Petrographic, palynological, and biomarker analyses were carried out. The major elements were determined by X-ray fluorescence (XRF). The trace elements were analyzed by inductively coupled plasma-mass spectrometry (ICP-MS). Results The Pennsylvanian (Westphalian… Show more
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