Abstract
SHATTERED pebbles and sheeted bedrock are common weathering phenomena in most modern deserts1–3 but their existence in ancient desert environments does not seem to have been described. This communication documents their occurrence in South Wales, where they were formed during the Triassic period, some 200 Myr ago.
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TUCKER, M. Exfoliated pebbles and sheeting in the Triassic. Nature 252, 375–376 (1974). https://doi.org/10.1038/252375a0
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DOI: https://doi.org/10.1038/252375a0
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