from The Century Dictionary.

  • noun The plane of stratification or bedding in a sedimentary series of rocks. It marks the surface upon which each succeeding layer of sediment was deposited, and, unless subsequently disturbed, is usually almost level.


Sorry, no etymologies found.


  • In 1972, Horodyski discovered a fossil he referred to as “problematic bedding-plane markings, each resembling a string of flat beads” near Apikuni Mountain formerly Appekunny Mountain; Horodyski, 1982a, 1983a, 1985a, 1993a,b.

    Archive 2008-08-01

  • Horodyski, R.J., 1982a, Problematic bedding-plane markings from the Middle Proterozoic Appekunny Argillite, Belt Supergroup, Northwestern Montana: Journal of Paleontology, v. 56, p.

    Archive 2008-09-01


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