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1.The sandgold deposit is ralated to the lanform?s depression and the river destribution. The sandgold producing area is in the brown sand and gravel layers. The sandgold grade is in direct proportion to the gravel size and the ratio of the gravel.
小锡板砂金矿床是冲、洪积型砂金矿，与地貌地凹处、河流的分布密切相关．砂金产出在褐色的砂砾层其中砾石大小，含砾率与砂金品位成正比，砂金产出与基底型态密切相关．砂金物质来源主要是矿源、岩源、次生源补给．收藏指正
2.Research on Starting Velocity of the Bed Gravel in Upper Yangtze River
长江上游河床卵石起动流速表达式的讨论收藏指正
3.The sand and gravel in the Yangtze river is good building and filling materials.
摘要长江中下游干流河道内的砂石是较好的建筑和填筑材料。收藏指正
4.A Mathematical Model for Change of Gravel Bed River after a Long-term Clear Water Scouring
卵石夹沙河床长期清水冲刷的数学模型收藏指正
5.Geologically, the base is an integrated region comprising hill, river (lake) and plain, and is composed of the fourth epoch (Holocene) alluvial layers, diluvial layer(gravel and breccia) and stagnant thin-layer sandstone.
基地地质条件:属丘陵滨江（湖）平原综合性地区，由第四系全新统冲积层、坡积层（砾石及角砾）、滞留系薄层砂岩组成。收藏指正
6.(3) Mining sand and gravel or placer gold in river channel or navigation channel without approval or not in accordance with the approved scope and operation procedures.
　　(三)未经批准或者不按照批准的范围和作业方式，在河道、航道内开采砂石、砂金的；收藏指正
7.There are plenty of warm memories ? he and I on the couch watching TV together, walking a gravel road in Crete, Ill. , as dusk, riding home in a car, singing “Red River Valley.
当然也有不少温馨的记忆—-我们一同坐在沙发上看电视；一块在伊利诺洲克里特的碎石小道上散步；夕阳中一起唱着《红河谷》驱车回家。收藏指正
8.Within a channel for flood passage, excess water drainage or navigation, all mining activities for sand and gravel or placer gold must be reported to the river administrative department for approval, and the mining activities must be in accordance with the approved scope and operation procedures;
　　在行洪、排涝河道和航道范围内开采砂石、砂金，必须报经河道主管部门批准，按照批准的范围和作业方式开采；收藏指正
9.The sediments of the incised valleys show an upward-fining succession, and can be grouped into four sedimentary fades: gravel lag-deposit of in-channel to partly over bank sediments of a meandering river, flood plain-estuary, estuary-shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures.
根据岩石学、沉积结构和沉积构造特征，本区下切河谷充填沉积物具有向上变细的沉积层序，可以划分为4个沉积相类型：河床滞留沉积物到部分曲流河沉积体系的边滩沉积、河漫滩－河口湾沉积、河口湾－浅海沉积和河口湾砂坝沉积。收藏指正
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