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The Permian–Triassic extinction event is considered to be the most devastating environmental crisis of the Phanerozoic. With many coinciding factors involved, the role of marine anoxia during the extinction is still poorly understood. In this study a boreal Permian–Triassic Boundary (PTB) section from Svalbard, Norway has been investigated with the aim of better understanding the timing and nature...
A detailed facies study of Early Permian strata within NE Svalbard reveals a fundamental change of the depositional setting, from a restricted-marine, warm-water carbonate platform to an open-marine, temperate-water, mixed siliciclastic-carbonate ramp. The uppermost strata of the Gipshuken Formation (Templet and Sørfonna members; Sakmarian–early Artinskian?) consist of microbialites (algal mats),...
During the Late Carboniferous, a spacious warm-water carbonate platform developed across the eastern part of the present Arctic archipelago of Svalbard. The platform initiated in the Moscovian on an uplifted fault block (Ny Friesland High) and progradated during the Late Moscovian to Early Kasimovian into the adjacent Campbellryggen Basin (central Spitsbergen). The fossiliferous platform strata are...
Summary The object of this paper is to provide a facies guide that helps subsequent workers recognizing different facies and palaeoenvironments of the terrestrial old Red Sandstone exposed in central N Spitsbergen. Sediments of the Early Devonian Wood Bay Formation represent continental molasse deposition under arid to semi-arid climatic conditions in three main depositional environments (rivers,...
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