Indonesia is rich in gold placer resources.
印度尼西亚砂金资源丰富。
The origin of the deposit belongs to Quarternary eluvial placer type.
矿床成因属第四纪残积型。
A middling placer deposit of tin has been discovered in Jiudaowan district.
九道湾地区已发现中型砂锡矿床。
Shore REE placer is one of the most important exogenetic ore deposits of REE.
外生稀土矿床中最重要的是海滨砂矿。
This primitive form of placer mining is still used in some places for panning gold.
这种原始的砂矿开采形式至今还在一些地方用来淘金。
Pinggui Sn placer in Guangxi was discovered and exploited as early as the Bronze Age.
“平桂”砂锡矿，早在“青铜时代”已被发现、开发利用。
A new technic of purifying gold, silver from placer gold without pollution was proposed.
提出了一种无污染从砂金中提纯金、银新工艺。
The associated minerals are the important indicator of the genesis and enrichment of placer gold .
伴生矿物是砂金成因和富集规律的重要指示标志。
A placer gold area is usually distributed in the flowing regions of plain terrain, belt-like rivers.
砂金地区一般分布在地形平坦、呈带状的江河流域。
Tungsten mineralization types in Yaoling zone are divided into quartz vein, greisen, altered granite and placer.
瑶岭钨矿带钨矿成因类型有石英脉（带）型、云英岩型、蚀变花岗岩型和砂矿床。
The source materials of the placer gold deposit in the area are from skarn — typed Au — Ag — Cu — Fe polymetallic ore.
矽卡岩型金银铜铁多金属矿床等是本区砂金矿的物质来源。
Platinum is found usually as alloys of 80-90% purity in placer deposits or more rarely combined with arsenic or sulfur.
通常铂在砂矿中以合金形式存在，其中包含80～90%的纯铂，或者不多见的是与砷或硫结合在一起。
The studied platinum - gold placer occurs in Quaternary alluvial - diluvial a piedmont valley of ultrabasic rocks, Northwest China.
该铂-金砂矿产于超基性岩体山前谷地的第四纪冲积-洪积层中。
The writer takes Baishui gold placer as an example and suggests a "synthetic block method"for the calculation of gold placer reserves.
作者以白水砂金矿为例，提出合成块段法计算砂金储量的方法。
Thailand is one of main countries producing tin in the world, and its ore deposit types are the shallow-sea deposit placer tin in main.
泰国是世界上产锡的主要国家之一，其矿床类型主要是浅海沉积型砂锡矿。
The invention relates to a urination apparatus for females, a placer for the urination apparatus for female and a method for using the same.
本发明涉及一种用于女性排尿用的排尿器、一种用于女性排尿用排尿器的放置器及它们的使用方法。
Thus it will guarantee the primary placer gold sampling and reduce the Labour intensity of workers, in order to raise the drilling efficiency.
从而能保证取出原生矿样，并降低工人的劳动强度，实现钻进的高效率。
The REE contents of 84 placer gold samples and 7 hard rock gold samples in Heilongjiang province are determined by plasma mass spectrographic analysis.
对黑龙江省84个砂金样品及7个岩金样品，用等离子质谱仪分析了它们的稀土元素含量。
At last, exploring guides for placer gold deposit are pointed out on the base of study of gold source, placer gold distributive features and enrichment law.
结合金的来源、矿床的分布特征和富集规律，指出了该区今后砂金找矿方向。
The composition and characteristic of suspended matter from industrial wastewater of placer gold and the experimental results of natural settling were reported.
本文介绍了砂金生产废水中悬浮物的组成、性质以及自然沉降试验结果；
The formation of fluvial Au placer deposits is controlled by the factors of material sources, morphology, topography, Quaternary stratigraphy and hydrodynamics.
河流砂金矿的形成受物源、地形地貌、第四系、水动力等条件的控制。
The calculation of gold-placer reserves shows that incorrect calculation methods have brought a great many of disadvantages in the gold production with dredgers.
本文对砂金矿床储量计算现存的某些问题提出了自己的看法，指出了由于不正确的计算方法给采金船生产带来的某些危害。
This area , where have abundant gold mineralised material and favourable geological settings , is a prospecting target area for gold placer in Southern Liaoning .
本区砂金主要来源于岩金矿和含金地层，成矿物质丰沛，成矿地质条件优越，是辽南砂金成矿的远景区。
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。
In this paper, the parametric measurement, the control method and the research on equipment in mining and mineral processing for beach placer are described in detail.
本文详细叙述了海滨砂矿采选工艺中这些参数测量及控制的方法和设备的研究。
Sichuan Province is one of the placer gold producing areas in our country, Over the whole province there are about 30 gold placers and more than 200 mineral occurrences.
四川已知有砂金矿床约30处，矿点200余处，民采点数百处，是我国主要的砂金产区之一。
High valuation and great attention are also given to placer gold deposits and vein gold deposits, which are the main sources of gold in the different parts of our country.
对全国各省(区)金的主要来源的砂金矿床和脉金矿床，也给予很高评价与重视。
It could manufacture products with the effects of laser, crazing, placer gold, bright gold, grit finish, pearl light, crystal, hollow cutting, black nickel and invisibility.
可制作镭射、网纹、沙金、亮金、磨沙、珠光、水晶、镂空、黑镍、隐形等各种效果的产品。
It could manufacture products with the effects of laser, crazing, placer gold, bright gold, grit finish, pearl light, crystal, hollow cutting, black nickel and invisibility.
可制作镭射、网纹、沙金、亮金、磨沙、珠光、水晶、镂空、黑镍、隐形等各种效果的产品。
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