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dropstone
(redirected from Dropstones)

    Also found in: Wikipedia 0.01 sec.
dropstone [′dräp‚stōn]
(geology)
A rock that was carried by a glacier or iceberg, and deposited as the ice melted.
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When he presented a paper in 1963 on a "Great Infra-Cambrian Glaciation" he was shot down by critics who interpreted his glacial dropstones as products of marine mudslides.
Snowball Earth: the Story of the Global Catastrophe that Spawned Life ... by Neale, E.R. Ward / Geoscience Canada
A lack of seasonal lamination and the presence of ice-rain deposits with dropstones suggest that the WGD was mostly deposited by subaquatic basal meltout and the massive fine-grained sediment settled as suspension fall-out (Fig.
Waterlain glacial diamicton along the Palivere ice-marginal zone on ... by Kalm, Volli; Kadastik, Ene / Proceedings of the Estonian Academy of Sciences: Geology
6 million years ago, these cruises found evidence for a latest-Miocene to earliest-Pliocene ice advance: 4- to 6-million-year-old glacial dropstones have been recovered from both the North Atlantic and North Pacific oceans.
Terrigenous sediments in the pelagic realm by Rea, David K. / Oceanus
 
 
 
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