RT Journal Article
T1 Materia orgánica y diagénesis de la formación de margas del Mas d´Ascla (Jurásico superior) en la cuenca del Maestrazgo (Cadena Ibérica oriental)
T2 Organic matter and diagenesis of the Mas d'Ascla marls formation (Upper Jurassic) in the Maestrat basin (Eastern Iberian basin)
A1 Permanyer Bastardas, Albert
A1 Marfil Pérez, Rafaela
A1 Salas Roig, Ramón
A1 Peña Blasco, José Andrés
A1 Dorronsoro Fernández, Carlos F.
A1 Rossi Nieto, Carlos
AB The Mas d'Ascla marls Fm. (Upper Kimmeridgian to lowermost Tithonian) in the Maestrat Basin (Salzedella sub-basin, Castellò de la Plana) displays two organic-carbon-rich horizons which indicate anoxic conditions. The maximum anoxic event is located at the base of the formation corresponding to the lower part of the trangressive system tract. In both horizons the kerogen is mainly of marine origin with algal and amorphous sapropelic organic matter, a low organic carbon content (0.5% - 1.26%) and a low potential yield of hydrocarbons (HC). These data and the Tmax. suggest a mature source-rock which has already generated nearly all HC. Extractable organic matter is fundamentally composed of asphaltenes and resins predominating over saturate and aromatic compounds which have been probably expulsed out of the source rock.
PB Sociedad Geológica de España
SN 0213-683X
YR 2000
FD 2000
LK https://hdl.handle.net/20.500.14352/104711
UL https://hdl.handle.net/20.500.14352/104711
LA spa
NO Permanyer Bastardas, A. et al. (2000): «Materia orgánica y diagénesis de la formación de margas del Mas d´Ascla (Jurásico superior) en la cuenca del Maestrazgo (Cadena Ibérica oriental)», Geogaceta, 28, pp. 117-120.
NO Generalitat de Catalunya
DS Docta Complutense
RD 6 oct 2024