Abstract
RECENTLY, Stephens1 has suggested that the widespread silcretes of Central Australia can be explained by a sequence of three events: (1) mobilization of silica by lateritic weathering in the area of the present watershed of eastern and northern Queensland; (2) deposition of the silica after south-western transportation in streams and rivers for considerable distance (up to 900 miles) on a wide, gently sloping surface underlain by a large array of rocks; (3) erosive break-up of the silcrete sheet so formed due to rejuvenation, to leave caps on mesas and extensive stony pavements.
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References
Stephens, C. G., Nature, 203, 1407 (1964).
King, L. C., The Morphology of the Earth, 171 (Oliver and Boyd, 1962).
Brückner, W. D., Geol. Rundschau, 43, 307 (1955).
Brückner, W. D., Eclogae Geol. Helv., 50, 239 (1957).
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BRÜCKNER, W. Origin of Silcretes of Central Australia. Nature 209, 496–497 (1966). https://doi.org/10.1038/209496b0
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DOI: https://doi.org/10.1038/209496b0
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