alluvial deposit
英 [əˈluːviəl dɪˈpɒzɪt]
美 [əˈluːviəl dɪˈpɑːzɪt]
冲积矿床
英英释义
noun
- clay or silt or gravel carried by rushing streams and deposited where the stream slows down
双语例句
- The STK content in the soil of different parent materials was residual and slope deposit of slate>residual and slope deposit of sandstone>residual and slope deposit of granite>diluvial deposit>alluvial deposit in the Quaternary System;
由不同母质发育的土壤中，全钾的含量为板岩残坡积物>砂岩残坡积物>花岗岩残坡积物>洪积物>第四系冲积物； - It was known that clean sandy isn't in extension all the while, and a significant amount of fines exist in alluvial and hydraulic deposit silty sand.
纯净砂在自然界中并不多见，而含细粒砂土却广泛分布，尤其是水力冲积填土和海底沉积土。 - Interval optimum design of concrete faced rockfill dams on alluvial deposit foundation
覆盖层地基上面板堆石坝区间优化设计 - Seismic response of alluvial soil deposit on a semi& elliptical canyon
半椭圆形河谷上沉积层地震响应研究 - Gravel cemented geological body, called solid formation, has been found in the fluvial sediment of Quaternary system in the exploration and mining of alluvial gold deposit in recent years.
近年来在砂金矿床的勘探和开采中，发现在第四系河流冲积物中存在砂砾石胶结地质体，被称为胶结层。 - Soft soil layers are developed in the 60% area of the Yellow River Delta, belonging to alluvial deposit and shore-shallow sea deposit, which are made up of clayed soil, muck and mucky silt in a state of near-saturation or saturation.
黄河三角洲60%的面积范围内发育软土层，软土层由近饱和或饱和的粘性土、淤泥及淤泥质粉土组成，属冲积与滨海～浅海沉积。 - Analysis on the factors affecting the flow of water under alluvial deposit
葛泉矿冲积层下采煤涌水量影响因素分析 - The basin was filled with thick sediments of Quaternary lake and alluvial facies and accumulated with tin placer which is locally enriched to be commercial deposit.
盆地中充填有第四纪湖相-冲积相厚层沉积，有砂锡聚集，局部富集成矿床。 - Gravely soil with clay-limestone subsoil. Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit
以黏土与石灰岩为基土上覆厚实土壤层。深厚黄土覆盖层上土石坝地震响应特性分析 - During the initial stage of coal measures deposition, was mainly alluvial fan deposit, middle stage lake delta deposit and later stage lacustrine deposit. Most coal seams in Yanan Formation were formed in peaty moors on lake delta plain.
煤系沉积初期，以河流及冲积扇沉积为主，沉积中期则以湖泊三角洲沉积为主，晚期以湖泊环境为主，延安组各煤层大多是在湖泊三角洲平原上泥沼化形成的。