概念信息
优选术语
创建: 2022-03-18T11:03:50
定义
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Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus, chunks and smaller grains of rock broken off other rocks by physical weathering. Geologists use the term clastic with reference to sedimentary rocks as well as to particles in sediment transport whether in suspension or as bed load, and in sediment deposits.
(en)
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Roches formées par l'accumulation d'éléments provenant de la désagrégation d'autres roches et [qui] peuvent contenir des éléments à granulométrie grossière et très fine.
(fr)
创建: 7/10/23
上位概念
- Sediment (de)
其他语言
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阿拉伯语
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صخور فتاتية
创建: 2023-11-20T15:59:48
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俄语
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法语
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塞尔维亚语
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土耳其语
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klastik çökel
创建: 2021-07-12T15:39:11
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西班牙语
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英语
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clastic deposits
创建: 2019-09-04T12:02:37
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clastic rocks
创建: 2019-09-04T12:02:37
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clastic sediments
创建: 2019-09-04T12:02:37
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中文
URI
http://aims.fao.org/aos/agrovoc/c_832a80b9
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