An extraterrestrial impact at the Permian-Triassic boundary?
Science
.
2001 Sep 28;293(5539):2343.
doi: 10.1126/science.293.5539.2343a.
Authors
K A Farley
1
,
S Mukhopadhyay
Affiliation
1
Division of Geological and, Planetary Sciences, MS 170-25, California Institute of Technology, Pasadena, CA 91125, USA. farley@gps.caltech.edu
PMID:
11577203
DOI:
10.1126/science.293.5539.2343a
No abstract available
MeSH terms
Argon / analysis
Carbon / analysis*
China
Geologic Sediments / chemistry*
Helium / analysis*
Isotopes
Meteoroids*
Paleontology*
Substances
Isotopes
Helium
Argon
Carbon