砂金

砂金中Pb同位素μ值的测定

Determination of value μ of Pb isotope in alluvial gold

自然金化学&结晶温度图表明砂金的原生Au源为中低温热液矿床。

The chemistry-temperature diagrams of native gold indicate that placer gold originates from middle-low-temperature hydrothermal deposits .

勘查砂金的最新技术KJ法

The most up-to-date technology for the prospecting and exploration of placer gold-KJ method

砂金中的微量Pb同位素分析具有特殊的意义，可根据Pb同位素的μ值确定砂金的来源及可能的原生金矿体。

The microanalysis of Pb isotopes in placer gold is of specific significance for the origin of placer gold and possible primary gold orebody can be determined according to U value of Pb isotopes .

通过Q型聚类分析将所有样品进行了分类，探讨了砂金样品与已知岩金样品之间的成因联系，并对砂金的可能原生金源的剥蚀程度进行了估计。

All samples were classified through Q type cluster analysis . Genetic relations between placer gold samples and known rock gold samples were also discussed . The denudation degree of the possible source of placer gold was estimated .

自然金稀土元素的赋存状态为U、Th矿物的微细包体，其分配特点可用来讨论岩金矿床的分类以及砂金的原生来源。

REE occur in U Th containing minerals as micro inclusion in native gold , the partition characteristics of which can be used to discuss the classification of hard rock gold deposits and the primary source of placer gold .

410S不锈钢带表面砂金缺陷成因及机理分析

Formation Causes and Mechanism of " Punctuate " Defect on Surface of 410S Stainless Steel Strip

第8届RMS-ROSS国际砂金生产技术研讨会

8th RMS-ROSS International Placer Gold Mining Seminar

且有随矿砂层巨砾含量和分选系数的增大而增大的趋势，当矿砂层的平均粒径不大于25mm或巨砾系数不大于0.14时，砂金取样体积可小于2（？）；

If the average grain size is not greater than 25 mm or the boulder content is not greater than 0.14 , the sampling volume may take a value smaller than 2 ~ 2m ~ 3 ;

砂金选矿工艺检测探讨

Discussion on the detection of mineral processing process of placer gold

第四纪砂金成矿系统。

And ( 3 ) the Quaternary placer gold metallogenic system .

阿尔泰山冲积型砂金矿的砂金富集规律

The mineralization laws of the alluvial gold placers at Altai Mountain

加拿大砂金采选技术

The mining art and ore dressing of alluvial gold in Canada

砂金勘探地质品位贫化原因浅析

Causes for the Dilution of Prospected Ore Grade of Placer Gold

砂金选矿取样及回收率计算

Mine samples to placer gold separation and calculation of recovery

在综合力场中回收砂金的新设备

A new equipment of recovering placer gold in multi-force field

采选工艺过程中减少砂金流失途径的探讨

On ways to reduce placer gold loss in mining and dressing processes

砂金生产的重要装备&采金船

An important equipment of alluvial gold production ── the gold exploitation ship

反铲&漂浮式砂金洗选厂的开发与应用

The development and application of back-acting shovel-floating washing plant of alluvial gold

黑龙江省砂金的成色特征

Characteristics of the fineness of placer gold in Heilongjiang Province

青南高原西部砂金成矿条件分析

Metallogenic condition of placer gold in the western south & qinghai Plateau

砂金船采矿区复垦及其增产措施

Reclamation of gold dredging district and measures for production increasing

黑龙江省砂金的铅同位素地质特征

Geological characteristics of Pb-isotope of placer gold in Heilongjiang Province

溶蚀系数可指示砂金是近或远原生源金矿。

The coefficient of dissolution can indicate the source of placer gold .

气流边界层砂金干选机

The air flow boundary layer air separator of alluvial gold

砂金中微量铅的分离与富集

Separation and enrichment of trace lead in placer gold

凌云县下甲水晶矿区砂金的发现及找矿意义

Discovery and significance of Xiajia placer gold deposit in mountain crystal placer deposit

阿尔泰山砂金的物质来源与风化壳

The relation between material sources of gold placers and residuum in Altai Mountains

延边东部砂金连生体研究

Study on alluvial gold conjuncture located in Eastern Yanbian

砂金矿山箱式变电站的应用及其发展方向

Application of box type substation in alluvial gold mine and its development orientation