THE LATE JURASSIC AND EARLY CRETACEOUS BIVALVE BUCHIA FAUNA OF HIMALAYA REGION, SOUTH TIBET
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Abstract:
$$In the Late Jurassic strata of Himalaya, South Tibet, there are abundant buchiids. As has been known in other regions of the world, the strata in which buchiids are abundant are usually characterized by scarcity of other fossils except for a few belemnites and ammonites. Therefore, buchiids can be regarded as an useful biostratigraphic tool in these intervals without ammonites and other fossils. In our working area, four buchia assemblages have been recognized. And a comparation has been made with other regions of the Spiti and North America. In addition, an attempt is made to explore the biostratigraphic value of buchiid.
