U-Pb zircon ages from the southwestern Karoo Basin, South Africa - Implications for the Permian-Triassic boundary

@inproceedings{Fildani2009UPbZA,
  title={U-Pb zircon ages from the southwestern Karoo Basin, South Africa - Implications for the Permian-Triassic boundary},
  author={Andrea Fildani and Amy L. Weislogel and Nicholas J. Drinkwater and Tim McHargue and Anthony J. Tankard and Joseph L. Wooden and David M. Hodgson and Stephen S. Flint},
  year={2009}
}
U-Pb ages determined using sensitive high-resolution ion microprobe-reverse geometry on 205 single-grain zircons from 16 ash beds within submarine fan deposits of the Ecca Group provide the first evidence of a marine Permian-Triassic (P-T) boundary in the Karoo Basin of South Africa. These U-Pb ages provide an objective basis for correlating the deep-marine sediments of the southwest Karoo Basin with fluvial-deltaic deposits in the central and eastern parts of the basin where the P-T boundary… CONTINUE READING

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