boulder clay

boulder clay
a glacial deposit consisting chiefly of unstratified clay with embedded boulders.
[1855-60]

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Universalium. 2010.

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  • Boulder clay — Boulder clay, in geology, is a deposit of clay, often full of boulders, which is formed in and beneath glaciers and ice sheets wherever they are found, but is in a special sense the typical deposit of the Glacial Period in northern Europe and… …   Wikipedia

  • boulder clay — noun clay containing many large stones, formed by deposition from melting glaciers …   English new terms dictionary

  • boulder clay — /ˈboʊldə kleɪ/ (say bohlduh klay) noun a layer of clay containing boulders and stones, deposited by ancient glaciers …  

  • boulder clay — noun unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together • Syn: ↑till • Derivationally related forms: ↑till (for: ↑till) • Hypernyms: ↑soil, ↑ …   Useful english dictionary

  • boulder clay —   see till …   Geography glossary

  • boulder clay —    See glacial till …   Lexicon of Cave and Karst Terminology

  • boulder — n. a large stone worn smooth by erosion. Phrases and idioms: boulder clay Geol. a mixture of boulders etc. formed by deposition from massive bodies of melting ice, to give distinctive glacial formations. Etymology: short for boulderstone, ME f.… …   Useful english dictionary

  • Boulder — n. a large stone worn smooth by erosion. Phrases and idioms: boulder clay Geol. a mixture of boulders etc. formed by deposition from massive bodies of melting ice, to give distinctive glacial formations. Etymology: short for boulderstone, ME f.… …   Useful english dictionary

  • Clay Myers State Natural Area at Whalen Island — Clay Myers State Natural Area at Whalen Island …   Wikipedia

  • Boulder — Bowlder Bowl der, Boulder Boul der, n. [Cf. Sw. bullra to roar, rattle, Dan. buldre, dial. Sw. bullersteen larger kind of pebbles; perh. akin to E. bellow.] [1913 Webster] 1. A large stone, worn smooth or rounded by the action of water; a large… …   The Collaborative International Dictionary of English

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