| 单词 | load cast |
| 释义 | > as lemmasload cast load cast n. Geology a rounded protrusion on the underside of a stratum (usually one of sandstone), owing to its having sunk before consolidation into the underlying bed (which is usually shale). ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > position or direction of strata > load cast or sole-mark groove cast1948 load cast1953 sole mark1961 1953 P. H. Kuenen in Bull. Amer. Assoc. Petroleum Geologists XXXVII. 1048 The base is sharply cut and flat or forms pockets in its substratum, ‘flow casts’ in Shrock's terminology (1948). As this term tends to cause confusion it is here suggested to call them ‘load casts’. 1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles v. 101 Sedimentary structures, including flute casts, load casts, graded bedding, etc., have been described from the arenites. < as lemmas |
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