OCCURRENCE OF BIOGENIC STERANES AND PENTACYCLIC TRITERPANES IN AN EOCENE SHALE (52 MILLION YEARS) AND IN AN EARLY PRECAMBRIAN SHALE (2.7 BILLION YEARS): A PRELIMINARY REPORT

. 1965 Nov;54(5):1406–1412. doi: 10.1073/pnas.54.5.1406

OCCURRENCE OF BIOGENIC STERANES AND PENTACYCLIC TRITERPANES IN AN EOCENE SHALE (52 MILLION YEARS) AND IN AN EARLY PRECAMBRIAN SHALE (2.7 BILLION YEARS): A PRELIMINARY REPORT^{^*}

PMCID: PMC219916 PMID: 16591314

These references are in PubMed. This may not be the complete list of references from this article.

Barghoorn E. S., Meinschein W. G., Schopf J. W. Paleobiology of a Precambrian Shale: Geology, organic geochemistry, and paleontology are applied to the problem of detection of ancient life. Science. 1965 Apr 23;148(3669):461–472. doi: 10.1126/science.148.3669.461. [DOI] [PubMed] [Google Scholar]
Cloud P. E., Jr, Gruner J. W., Hagen H. Carbonaceous Rocks of the Soudan Iron Formation (Early Precambrian). Science. 1965 Jun 25;148(3678):1713–1716. doi: 10.1126/science.148.3678.1713. [DOI] [PubMed] [Google Scholar]
Eglinton G., Scott P. M., Belsky T., Burlingame A. L., Calvin M. Hydrocarbons of Biological Origin from a One-Billion-Year-Old Sediment. Science. 1964 Jul 17;145(3629):263–264. doi: 10.1126/science.145.3629.263. [DOI] [PubMed] [Google Scholar]
Meinschein W. G., Barghoorn E. S., Schopf J. W. Biological Remnants in a Precambrian Sediment. Science. 1964 Jul 17;145(3629):262–263. doi: 10.1126/science.145.3629.262. [DOI] [PubMed] [Google Scholar]