| 释义 |
ripple mark
ripple mark n (Physical Geography) one of a series of small wavy ridges of sand formed by waves on a beach, by a current in a sandy riverbed, or by wind on land: sometimes found fossilized on bedding planes of sedimentary rock rip′ple mark`
n. 1. one of the wavy lines or ridges produced, esp. on sand, by the action of waves, wind, or the like. 2. one of such forms preserved in sandstone or siltstone. [1825–35] Thesaurus| Noun | 1. | ripple mark - one of a series of small ridges produced in sand by water currents or by windridge - a long narrow natural elevation or striation |
ripple mark
ripple mark[′rip·əl ‚märk] (geology) A surface pattern on incoherent sedimentary material, especially loose sand, consisting of alternating ridges and hollows formed by wind or water action. One of the ridges on a ripple-marked surface. ripple mark
Related to ripple mark: Cross beddingWords related to ripple marknoun one of a series of small ridges produced in sand by water currents or by windRelated Words |