Chamber of Mines of South Africa, Research Organisation 1972: Tenth Annual Research Review. - . 101 pp. [RLL List # 90 / Rec.# 3078] Keywords: FOSSIL / PRECAMBRIAN / SOUTH AFRICA
Abstract: ["...It is possible that the carbon in Witwatersrand reefs is the remains of a Precambrian plant material which consisted of a symbiotic association of a filamentous organism, like a fungal structure, and photosynthetic blue-green algae or bacteria similar to the symbiotic association found today in lichens."]
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