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boulder clay |
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boulder clay n
(Earth Sciences / Geological Science) an unstratified glacial deposit consisting of fine clay, boulders, and pebbles See also till4 ThesaurusLegend: Synonyms Related Words Antonyms Translations boulder clay n (Geol) → Geschiebelehm m How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Unconsolidated boulder clay or indurated till typically overlies carbonate bedrock (AM, GR 3085 G8100, Item 6, AM, GR 3085 G8105, Item 121) and is probably equivalent to till described by Baracos and Kingerski (1998). Recently completed geochemical sampling has identified anomalous domains consisting of boulder clay alteration and trace element anomalies including chlorite, illite, dravite, lead, arsenic and yttrium. Using modern satellite and computer technology, important geological structures are detectable through surface cover that consists of glacial till and boulder clay. |
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