The late neogene 87Sr/86Sr record of lowland himalayan rivers

Jay Quade, Lois Roe, Peter G. DeCelles, Tank P. Ojha

Research output: Contribution to journalArticlepeer-review

136 Scopus citations

Abstract

Fossil shells and paleosol carbonate from ancestral Himalayan river deposits provide a 87Sr/86Sr record of lowland Himalayan river water during the late Neogene. Reconstructed 87Sr/86Sr river values increased sharply in the late Miocene, probably marking the beginning of exhumation of high-87Sr/86Sr metalimestones, more in the central than in the western Himalayas. These results imply that the marine 87Sr/86Sr record may not be a proxy for silicate weathering or consumption of atmospheric CO2 resulting from that weathering.

Original languageEnglish (US)
Pages (from-to)1828-1831
Number of pages4
JournalScience
Volume276
Issue number5320
DOIs
StatePublished - Jun 20 1997

ASJC Scopus subject areas

  • General

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