Sedimentology and Stratigraphic Evolution of the Warchha Sandstone
für 71.10€ kaufen ··· 9783848401185 ··· 1036118107 ··· During Early Permian (Artinskian) times, fluvial conditions prevailed in the Salt Range, Pakistan. Deposits of the Warchha Sandstone are characterised by a range of fluvial facies and architectural elements that together preserve a record of both the proximal and distal parts of a meandering river system. The Warchha Sandstone records the progradation of a wedge of non-marine strata into an otherwise shallow marine realm. The underlying marine Dandot Formation is terminated by a major unconformity that represents a type-I sequence boundary associated with a region-wide relative sea level fall and a significant regression of the Tethyan shoreline. The overlying Warchha Sandstone represents the onset of the subsequent lowstand system tract in which according to palaeocurrent and clast provenance analysis northward-flowing meandering river systems were supplied with clastic detritus from a tectonically-active source area that lay to the south (the Aravalli and Malani ranges). This episode of fluvial sedimentation was terminated by a widespread marine transgression, as represented by the abrupt upward transition to the overlying shallow marine Sardhai Formation. Hersteller: LAP Lambert Academic Publishing Marke: LAP Lambert Academic Publishing EAN: 9783848401185 Kat: Hardcover/Naturwissenschaften, Medizin, Informatik, Technik/Geowissenschaften/Geologie Lieferzeit: Sofort lieferbar Versandkosten: Ab 20¤ Versandkostenfrei in Deutschland Icon: https://www.inforius-bilder.de/bild/?I=8Zlv6HXVgHCe7vqjnm16UwuPnUDBGxXNNuyFTwJ4bto%3D Bild:
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