| 单词 | stone line |
| 释义 | > as lemmasstone line stone line n. Geomorphology a layer of isolated stones between subsoil and underlying rock; also, the line of stones that this appears as in a section through the soil. ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > stratum by constitution > layer of stones flaw1576 bind1748 capstone1791 stone line1938 1938 C. F. S. Sharpe Landslides iii. 24 This layer [of rock fragments] outcrops in natural and artificial cuts and marks the approximate boundary between the base of..the ‘B’ horizon of the soil and the ‘C’ horizon or parent rock material. Where well developed it appears as a broken line of stones suggesting the name stone-line here used. 1969 C. Ollier Weathering iv. 46 The profiles in many tropical countries have rock..overlain by a stone line, overlain in turn by fairly uniform, fine grained ‘soil’. 1975 R. V. Ruhe Geomorphol. vii. 127/3 A stone-line surface usually differs topographically from the present land surface. < as lemmas |
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