Primitive Os and 2316 Ma age for marine shale : implications for Paleoproterozoic glacial events and the rise of atmospheric oxygen Judith

@inproceedings{Hannaha2004PrimitiveOA,
  title={Primitive Os and 2316 Ma age for marine shale : implications for Paleoproterozoic glacial events and the rise of atmospheric oxygen Judith},
  author={L. Hannaha and Andrey Bekkerb and Holly J. Steina and Richard J. Markeya and Heinrich D. Hollandb},
  year={2004}
}
  • L. Hannaha, Andrey Bekkerb, +2 authors Heinrich D. Hollandb
  • Published 2004
Re–Os dating of synsedimentary to early diagenetic pyrite from carbonaceous shale that straddles the boundary between the Rooihoogte and Timeball Hill formations, Transvaal Supergroup, South Africa, provides a precise isochron age of 2316F7 Ma (F4 statistical uncertainty if error on decay constant is excluded) and a chondritic initial Os/Os ratio of 0.1121F0.0012. These units were deposited between what are interpreted as the second and third of three Paleoproterozoic global glacial events, and… CONTINUE READING
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