English

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Noun

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bedding plane (plural bedding planes)

  1. (geology) The planar surface between adjacent strata
    • 1940, William Plotts, Isogeotherm, Or Monist Theory of Stratified Mineral Occurrence and Origin, page 7:
      Coal and petroleum do not occur hap-hazard in nature, but the aggregate occurrence of each product in any region forms a definite, limited horizon, which, in its continuance, is independent of the bedding plane.

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