| 单词 |
alluvial deposit |
| 释义 |
- 冲积沉积物：由河流、洪水等水流携带并沉积的土壤、砂石等物质。
1 [地质]?冲积物 （4）冲积物(alluvial deposit) 河水中挟带的泥沙，在中下游两岸与入海口沉积而成。它的分布 范围广，面积大，所有的江河，在其中下游两岸都有这种母质分布。 2 ?冲积砂矿 ... anygyi阿尼基 alluvial deposit冲积砂矿 diamondlors of)钻石的色彩 ... 3 ?冲积土层 alluvial deposit 冲积层；冲积矿床; 冲积砂矿; 冲积土层；冲积物; 冲积物；冲积层; 砂矿床..
- 1
Placer tin deposit in xupu occurs in alluvial sediment of quatemary system and cassiterite chiefly concentrates at the bottom of gravel layers. 溆浦砂锡矿床赋存在第四系冲积层中锡石主要富集在底部砂砾石层。 - 2
Separated from the deposit and scattered on the river side of the foundation rock, and gradually be covered with sand, forming alluvial sand. 自矿床分离而散落于溪旁基础岩石上，逐步被沙土覆盖，形成冲积性砂。 - 3
By the study of the feature of alluvial gold conjuncture, its haul distance was determined, the types of its Primary deposits assessed and the target area for ProsPecting Primary deposit defined. 介绍了研究砂金连生体特性，借以确定砂金的搬运距离、判断原生金矿床类型并进行预测，以及确定原生金矿靶区的应用范例。
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