Alga-Like Fossils from the Early Precambrian of South Africa

Details Alga-Like Fossils from the Early Precambrian of South Africa Alga-Like Fossils from the Early Precambrian of South Africa

Apr 1967

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1967sci...156..508s&link_type=abstract

Science, Volume 156, Issue 3774, pp. 508-512

Mathematics

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31

Scientific paper

Micropaleontological studies of carbonaceous chert from the Fig Tree Series of South Africa (> 3.1 × 109 years old) revealed the presence of spheroidal microfossils, here designated Archaeosphaeroides barbertonensis, interpreted as probably representing the remnants of unicellular alga-like organisms. The presumed photosynthetic nature of these primitive microorganisms seems corroborated by organic geochemical and carbon isotopic studies of the Fig Tree organic matter, and is consistent with the geologically and mineralogically indicated Early Precambrian environment. These alga-like spheroids, together with a bacterium-like organism previously described from the Fig Tree chert, are the oldest fossil organisms now known.

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