The Triassic stratigraphy of Svalbard

T his paper review s published accounts of the stratigraphy of Triassic rock s of Spitsbergen and also of Bj ørnøya and the other islands of Sv albard.A detail ed review of the history of research with a full bibliography is given.lVIeasured sections with lithological descriptions and fossil occurrences resulting from work on Cambridge ex peditions are published for the first time.The earlier work is collated with the later and, taking into account the situation in Vestspitsbergen and what is known from beyond, new stratigraphical units are defined.These are discussed in relation to variations in thick ness, facies and age.Althoug no critical palaeontological study has been undertaken, this paper includes an index to all Svalbard species as mentioned in the literature, with references to illustrations, descriptions, stratigraphical position and locality.Incorporated in this are those parts of the Cambridge collec tions which have been provisionally identified.