Are Ir anomalies sufficient and unique indicators for cosmic events?

U. Kramar, D. Stüben, Z. Berner, W. Stinnesbeck, H. Philipp, G. Keller

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Ir anomalies are often considered unique indicators for cosmic events. The present paper compares the contents and patterns of platinum group element (PGE) anomalies of magmatic and sedimentary origins with similar anomalies found in the Cretaceous-Tertiary (K/T) boundary impact clay and other PGE enriched layers across the K/T boundary and early Danian (Parvularugoglobigerina eugubina zone) at Beloc, Haiti. This analysis demonstrates that PGE patterns provide more conclusive evidence for the reconstruction of paleoevents than that can be achieved by Ir content alone.

Original languageEnglish (US)
Pages (from-to)831-837
Number of pages7
JournalPlanetary and Space Science
Issue number8
StatePublished - Jul 2001

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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