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- Placer gold glaze 砂金釉
- In which a long history of placer gold mining. 其中砂金开采历史悠久。
- The placer gold in eastern Taiwan... 还简述了台湾东部的砂金矿床。
- Of the total gold reserves of Chian,rock gold is 51.76%,placer gold is 16.76% and associated gold is 31.48%. 我国金矿资源比例为岩金占51.;76%25,伴生金占31
- The operation practice indicated that the remining of placer gold in Laozuoshan Gold Mine was effecacious. 生产实践表明,采金船复采在老柞山金矿的应用是行之有效的。
- Eraluating the mined out area is one of effective and dependable ways for exploring placer gold. 指出以过采区为依据寻找砂金矿可靠性大,风险度小,是行之有效的途径之一。
- The chemical compositions of 84 placer gold samples and 7 rock gold samples in Hei longjiang province were studied. 对黑龙江省84个砂金、7个岩金样品的化学成分进行了研究。
- The fingerprint features (chemical composition) of placer gold has been a important method to seek primary gold. 砂金指纹(化学成分)特征是利用砂金寻找原生金的重要手段之一。
- The fineness of placer gold in this district is apparently featured by inhomogeneity,inheritance and afterdeformation. 该区砂金成色具有明显的不均一性、继承性和后期改造性。
- Distribution characteristics and three types of placer gold deposits are summarized. 总结了砂金矿床分布特征,并将3种类型进行了对比。
- This discovery has practical significance for look for placer gold deposit in Guangxi. 此发现对寻找广西砂金矿,拓宽金矿资源的思路,具有现实意义。
- The production of placer gold main includes two details which are gold dredger and island concentrator. 砂金生产主要包括采金船和岸上选厂两大环节。船采矿体时,因边界、采挖等问题;
- A Discussion on the Geological Features and Develop Reason of the Placer Gold Deposit in Fuchun, Wu Yuan County, Jiangxi. 江西省婺源县赋春砂金矿地质特征与矿床成因初探。
- Placer gold in Nanjing has a clear feature of Earths surface geochemical and biochemical origin, different from the traditional mechanical origin. 福建南靖砂金地表地球化学、生物化学成因特征明显,不同于传统的机械成矿模式。
- Regional volcanic strata are the source of placer gold and laterization process is the main stage of formation of placer gold. 区域火山岩地层是砂金的矿源,地表赤红壤化可能是砂金形成的主要阶段。
- The article also discusses the difference of physicochemical characteristics between placer gold of alluvial mine and eluvial slope wash placer mine. 本文还注意了冲积型和残坡积型砂金矿中砂金理化特征的区别。
- Placer gold deposit in Qinling region are widely distributed in Jialingjiang River, Hanshui River and their tributary valley. 秦岭地区砂金矿床大部分分布在嘉陵江、汉水及其它们的支流流域。
- Wilkinson Group Limited (“Wilkinson”) was an international company holding 6 placer gold mining concessions in Ecuador. 是一所拥有六个在厄瓜多尔采金特许权的国际公司。
- Exogenous deposits of gold including auriferous conglomerate deposit and that of loose placer gold form under the open conditions on the earth surface. 外生金包括砾岩金和松散砂金,是外能作用在地表开放条件下形成的。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。