Skeletal soil
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This is a virgin soil that does not show a clear soil form or structure and is composed of freshly weathered rocks and mineral fragments. Lithosols are generally limited to steep mountain slopes [US Dept. Agriculture: 1938]. It is a gravelly soil formed mainly by physical weathering of the parent rock [Kimura et al.: 1973]. Source: Asakura Publishing Dictionary of Petrology Information |
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未成帯の土壌で，はっきりとした土壌の形態や構造を示さず，岩石や鉱物破片の風化が新鮮なものから成り立っている．岩屑土は一般に山岳の急傾斜に限られる［U. S. Dept. Agriculture : 1938］．母岩が主として物理的風化を受けて生成した礫質の土壌［木村ほか : 1973］． 出典 朝倉書店岩石学辞典について 情報 |
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