“ortstein”的英文意思_释义_用法

单词

ortstein

释义

‖ ortstein Soil Sci.|ˈɔːtʃtaɪn|
[G.]
A hard-pan, esp. one in the B horizon of a podzol that is cemented with iron and organic matter.
1906E. W. Hilgard Soils x. 184 The latter class of hardpans is especially conspicuous in the case of swampy ground and damp forests, where ‘moorbedpan’ and reddish ‘ortstein’ are characteristic.1932G. W. Robinson Soils iii. 57 The most widely spread type of pan is that formed by deposition of hydrated ferric oxide, the so-called iron pan or ‘ortstein’.1972C. B. Hunt Geol. Soils x. 234 Some hardpans are formed by accumulations of organic matter..as in the well cemented, lower layers (ortstein) of a Ground Water Podzol Soil.

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