Abstract
Albian high-sulfur sub-bituminous coals are currently worked in the Teruel Mining Disirict. The sulfur content of these coal seams draw a general vertical trend, at the stratigraphic series level, with an upwards reduction of the sulfur content, and a horizontal trend, at the basin seale, with a sulfur content increase towards the northernmost part of the Mining District. These general variations may disturbed by factors related to the coal seam thickness, the permeability of the interbedded sediments or the activity of synsedimentary faults. The general vertical trend of sulfur contents is explained as a consequence of the well-known marine inlluence in dic sedimentary environment which increases the sulfur content in the influenced seams. Nevertheless, the general horizontal trend is interpreted as a consequence of the erosion of the Infra-Liassic and Upper Triassic (Keuper facies) evaporitic sequences. The hypothesis of the sulfur recycling 18 based on paleogeographieal and sedimentological data, and it gives to the Teruel coals the characteristie high-sulfur paitern. Key-Words: sulfur, coal, Escucha Formation, Teruel Mining District.
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