(Table 1) Elemental abundances in DSDP Core 86-577B-1

DOI

An Ir anomaly of 61 ng/cm**2 was found in Deep Sea Drilling Project Hole 577B at the same stratigraphic level as the Cretaceous/Tertiary boundary defined by nannoplankton. This close correspondence supports the asteroid-impact theory for the Cretaceous/Tertiary boundary extinctions.

86-577B-1-4,72-73 indicates location of Cretaceous/Tertiary boundary as determined by nannofossil biostratigraphy.

Supplement to: Michel, Helen V; Asaro, Frank; Alvarez, Walter; Alvarez, Luis W (1985): Elemental profile of iridium and other elements near the Cretaceous/Tertiary boundary in Hole 577B. In: Heath GR; Burckle LH; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 86, 533-538

Identifier
DOI https://doi.org/10.1594/PANGAEA.802440
Related Identifier IsSupplementTo https://doi.org/10.2973/dsdp.proc.86.121.1985
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.802440
Provenance
Creator Michel, Helen V; Asaro, Frank; Alvarez, Walter; Alvarez, Luis W
Publisher PANGAEA
Publication Year 1985
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Representation
Resource Type Supplementary Dataset; Dataset
Format text/tab-separated-values
Size 3671 data points
Discipline Earth System Research
Spatial Coverage (157.723 LON, 32.441 LAT); North Pacific Ocean