Imbricated

Imbricated

Imbricate refers to clastics sediments that are laid down with a preferential orientation of the composing grains. [Pettijohn, F. J., 1957, Sedimentary Rocks, Harper and Row, Second Edition p. 78] This is most often applied to conglomerates and gravels. It is generally related to paleoflow direction. [Becker, G.F., 1893, Finite homogenous strain, flow, and rupture of rock, Bull. Geol. Soc. of Amer., 4, pp. 13-90; cite in Pettijohn, 1957.] Wadell [Wadell, H., 1936, Shape and position of rock fragments, Geografiska Annaler, pp. 74-92, cite in Pettijohh, 1957.] found the long axis aligned with paleocurrent, and dipping basinward in glacial sediments, whereas deltaic gravels may be oppositely inclined. [Krumbein, W. C., 1940, Flood gravel of San Gabriel Canyon, Bull. Geol. Soc. of Amer., vol. 51, pp. 636-676.]

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  • imbricated — adj. (Botany) overlapping or layered as scales or shingles; used especially of leaves or bracts. Syn: imbricate. [WordNet 1.5] …   The Collaborative International Dictionary of English

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  • imbricated — im·bri·cat·ed (imґbrĭ kāt″əd) [L. imbricatus, from imbrex tile] overlapping like tiles or shingles …   Medical dictionary

  • imbricated — adj. covered with overlapping sections; having overlapping edges (like roof tiles or scales)v. partially cover, overlap like roof tiles adj. covered with overlapping sections; having overlapping edges (like roof tiles or scales) …   English contemporary dictionary

  • imbricated — adjective arrange in an overlapping manner like roof tiles. → imbricate & …   English new terms dictionary

  • imbricated — a. See imbricate …   New dictionary of synonyms

  • imbricated — adjective used especially of leaves or bracts; overlapping or layered as scales or shingles • Syn: ↑imbricate • Similar to: ↑rough, ↑unsmooth • Topics: ↑botany, ↑phytology …   Useful english dictionary

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