Abstract
DURING the course of a geological survey of the Verulum district, Natal1, some peculiar little depressions were noticed on the upper surfaces of freshly exposed slabs of lower Middle Ecca (Permian) sandy shales occurring in a small road-metal quarry situated on the main road between Verulum and Tongaat, a little north of the Shortlands Hotel. The depressions appeared to be confined to a single horizon which, owing to the lack of exposures, could not be traced beyond the confines of the quarry.
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References
Kent, L. E., "The Geology of a Portion of Victoria County, Natal", Trans. Geol. Soc. S. Africa, 41, 1–36 (1938).
Twenhofel, W. H., "Treatise on Sedimentation" (2nd Edition. 1932), p. 680.
Lyell, Sir Charles, "On Fossil Rain-marks of the Recent, Triassic, and Carboniferous Periods", Quart. J. Geol. Soc. Lond., 7, 243 (1851).
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KENT, L. Probable Fossil Hail Impressions in Natal Coal Measures (Middle Ecca Series). Nature 141, 835 (1938). https://doi.org/10.1038/141835b0
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DOI: https://doi.org/10.1038/141835b0
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