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Sedimentology, paleoalterations and diagenesis in thè Cihuela Carbonate unii (upper Eocene of thè Almazán Basin, Soria)

dc.contributor.authorArmenteros, Ildefonso
dc.contributor.authorBustillo Revuelta, María Ángeles
dc.description.abstractThe Cihuela Carbonate u n it consists o f up ward-growing carbonate sequences 0.5 to 2 m thick, and intercalated clayey marly levels 5 to 8 m thick. Dolostones predominate in the lower 40 m of the unit and limestones in the remaining of the section. The main postdepositional features are represented by ubiquitous and numerous calcite pseudomorphs after interstitial micro/meso lenticular gypsum, penecontemporaneous dolomitization and later silicification and gypsum calcitization. The abundance of crumb and clotted microstructures related with recurrent dessication processes and the above diagenetic characteristics indicate an ephemeral lacustrine system in a dry warm climateen_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subject.otherAlmazan Basinen_US
dc.subject.otherCarbonate gypsiferous faciesen_US
dc.subject.otherOpal and cherten_US
dc.titleSedimentologia, paleoalteraciones y diagénesis en la unidad Carbonática de Cihuela (Eoceno superior de la Cuenca de Almazán, Soria)en_US
dc.titleSedimentology, paleoalterations and diagenesis in thè Cihuela Carbonate unii (upper Eocene of thè Almazán Basin, Soria)eng

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