单词 | subdeposit |
释义 | subdepositn. A deposit (deposit n. 3) that lies beneath another layer or layers; (also) a subsidiary deposit. ΚΠ 1820 H. R. Schoolcraft Let. 6 Nov. in Amer. Jrnl. Sci. (1821) 3 216 A vertical section of the left bank of the Mississippi at St. Peters,..in which the superposition of the layers of rock, and the several subdeposites forming the alluvial stratum, exhibit a remarkable order. 1880 14th Ann. Rep. State Board Agric. Missouri 135 The valleys along the streams consist of alluvial deposits of rich black loam overlaying sub-deposits of clay and gravel. 1909 C. B. Watson Prehistoric Siskiyou Island ii. 20 Underneath the sandstone are beds of gravel bearing gold... In every instance it has been found that these subdeposits correspond in character with those on the surface. 2001 G. Lucas Crit. Approaches Fieldwork v. 155 The excavators at Runnymede saw the deposit as potentially a midden or at least composed of sub-deposits. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1820 |
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