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A neoproterozoic snowball earth.
Hoffman PF, Kaufman AJ, Halverson GP, Schrag DP. Hoffman PF, et al. Among authors: kaufman aj. Science. 1998 Aug 28;281(5381):1342-6. doi: 10.1126/science.281.5381.1342. Science. 1998. PMID: 9721097
Isotopes, ice ages, and terminal Proterozoic earth history.
Kaufman AJ, Knoll AH, Narbonne GM. Kaufman AJ, et al. Proc Natl Acad Sci U S A. 1997 Jun 24;94(13):6600-5. doi: 10.1073/pnas.94.13.6600. Proc Natl Acad Sci U S A. 1997. PMID: 11038552 Free PMC article.
99 results