U-Pb zircon age constraints on the Hamersley spherule beds: Evidence for a single 2.63 Ga Jeerinah-Carawine impact ejecta layer

Geology

Volumn 33, Issue 9, 2005, Pages 725-728

  Rasmussen, Birger ^a   Blake, Tim S ^b   Fletcher, Ian R ^a  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^b NONE   (Australia)

Author keywords

Australia; Geochronology; Hamersley Province; Impact ejecta; Spherule beds; Zircon

Indexed keywords

GEOPHYSICS; LITHOLOGY; MASS SPECTROMETRY; STRATIGRAPHY; ZIRCON; BINARY ALLOYS; GALLIUM; GEOCHRONOLOGY; SILICATE MINERALS; URANIUM ALLOYS;

AUSTRALIA; IMPACT EJECTA; SPHERULE BEDS; ARCHEAN-PROTEROZOIC BOUNDARY; BANDED IRON FORMATIONS; CARBONATE PRECIPITATION; HAMERSLEY PROVINCE; UPB ZIRCON AGE (SHRIMP);

GEOCHRONOLOGY; LEAD ALLOYS;

CHRONOSTRATIGRAPHY; DATING METHOD; EJECTA; IMPACT STRUCTURE; URANIUM-LEAD DATING; ARCHEAN; DOLOMITE; FALLOUT; GEOCHRONOLOGY; LITHOSTRATIGRAPHY; PALEOGEOGRAPHY; PROTEROZOIC; SPHERULE; STRATIGRAPHIC CORRELATION; TUFF; UNCERTAINTY ANALYSIS; ZIRCON;

CROCODYLUS NILOTICUS;

AUSTRALIA; HAMERSLEY BASIN; PILBARA; SOUTH AFRICA; WESTERN AUSTRALIA;

EID: 24644495236     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G21616.1     Document Type: Article

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