Abstract
HAVING paid some attention to the study of flints, both in England and Australia, I have read with interest the recent letters to NATURE on this question, and think that possibly some facts from this side of the globe may be worth noting. In the Cainozoic of South Australia and Victoria black flints occur which have the characteristic white coating of the English examples, and, in fact, are indistinguishable from them. They are found both in nodular and tabular form, and occur in lines parallel to the bedding. At Port Macdonell, South Australia, sheets of flint are found 2 in. or 3 in. thick, and, according to Tenison Woods, they are quarried and used for flagstones. These Cainozoic flints appear to be confined to the Miocene (Janjukian) beds, and are closely associated with the polyzoal limestone, a white, chalky deposit consisting of polyzoa and foraminifera.
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CHAPMAN, F. Origin of Flints. Nature 100, 85 (1917). https://doi.org/10.1038/100085a0
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DOI: https://doi.org/10.1038/100085a0
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