The Global Stratotype Section and Point(GSSP)defining the base of the Jurassic System Lower Jurassic Epoch and Hettangian Stage is situated at the Kuhjoch pass,Karwendel Mountains,Northern Calcareous Alps,Austria(47&#...The Global Stratotype Section and Point(GSSP)defining the base of the Jurassic System Lower Jurassic Epoch and Hettangian Stage is situated at the Kuhjoch pass,Karwendel Mountains,Northern Calcareous Alps,Austria(47°29'02"N/11°31'50"E).The Triassic-Jurassic(T-J)boundary is exposed at Kuhjoch West and at Kuhjoch East,and corresponds to the first occurrence(FO)of the ammonite Psiloceras spelae tirolicum.The“Golden Spike”was fixed at Kuhjoch East.The section displays a high and continuous sedimentation rate with a constant facies trend across the boundary level.展开更多
基金sponsored by the Austrian National Committee(Austrian Academy of Sciences)for IGCPfinancial support from the HP program of Utrecht University(The Netherlands)partial support from the US National Science Foundation(Grant EAR 0518605).
文摘The Global Stratotype Section and Point(GSSP)defining the base of the Jurassic System Lower Jurassic Epoch and Hettangian Stage is situated at the Kuhjoch pass,Karwendel Mountains,Northern Calcareous Alps,Austria(47°29'02"N/11°31'50"E).The Triassic-Jurassic(T-J)boundary is exposed at Kuhjoch West and at Kuhjoch East,and corresponds to the first occurrence(FO)of the ammonite Psiloceras spelae tirolicum.The“Golden Spike”was fixed at Kuhjoch East.The section displays a high and continuous sedimentation rate with a constant facies trend across the boundary level.
