Abstract
BAILEY has described some microscopic objects of apparent organic origin in material which he considered to be derived from the Roraima Formation in Guyana1. The following is an extract from his communication.
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References
Bailey, P. B. H., Nature, 202, 384 (1964).
Snelling, N. J., Nature, 198, 1079 (1963).
Ross, C. S., and Smith, R. L., Prof. Pap. 366. US Geol. Survey (1961).
Hay, R. L., Univ. Calif. Publs. Geol. Sci., 42, 199 (1963).
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ALLEN, J. Pyroclastic Origin of Supposed Microfossils in the Roraima Formation, Guyana. Nature 215, 1261–1262 (1967). https://doi.org/10.1038/2151261a0
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DOI: https://doi.org/10.1038/2151261a0
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