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- arsenian pyrites 含砷黄铁矿
- Keywords occurrence of gold;arsenian pyrite;Carlin-type deposit;Shuiyindong;Guizhou; 金的赋存状态;成矿过程;卡林型金矿;水银洞;贵州;
- Ascertainment of Chemically Bound Gold and Its Valence State in Arsenopyrite and Arsenian Pyrite from Jinya Mine, Guangxi, China 返回目录广西金牙金矿毒砂和黄铁矿中晶格金的确认及其价态研究
- This paper deals firstly with the distribution of pyrites in coals. 首先揭示了煤中黄铁矿的分布赋存规律。
- Its gold content is closely related to pyrites and arsenopyrite. 矿石中的金以不可见金为主,含量与黄铁矿、毒砂关系密切。
- arsenian pyrite 成矿过程
- It's a new-geochemical method,which gold deposits are surveyed with pyrites. 利用黄铁矿进行找金是一种新的地球化学找矿方法。
- Wells J D, Mullens T E. Gold-bering arsenian pyrlte determined by microprobe analysis, Cortze and Carlin gold mines. Nevada[J]. Economic Geology, 1973, 68:187-201. 苏欣栋.;我国微细浸染型金矿某些载体矿物中金的赋存状态[J]
- An early hypothesis by Chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process. 加卡波狄较早提出的一个假说认为,砷与黄铁矿结合并透过氧化作用进入含水层。
- The characteristics and main concerns in design are described of Chinese first high temperature pipe evaporator in sulfuric acid production by pyrites. 介绍国内第一台硫铁矿制酸高温热管蒸发器的性能特点和设计的主要思路。
- We utilized the change of concentration ratio between pyrites and rocks to survey gold deposits. 所以通过金在黄铁矿及岩石中浓度比值的变化,能有效地指导勘查金矿床。
- Pyrites in Dianfang gold deposit of Proterozoic explosive breecia type are mainlygold-bearing minerals. 元古宙爆破角砾岩型店坊金矿床中的黄铁矿是主要载金矿物。
- Core HD196A, recovered from the seafloor of the northeastern South China Sea, has large amount of pyrites. 南海东北部的HD196A岩心中发现大量条状的自生黄铁矿,以中空或实心为主。
- The intervals around 500 cm of Core HD196A are enriched in authigenic pyrites, showing a rich zone of pyrites. 自生黄铁矿是海洋沉积物缺氧硫酸盐还原过程的主要产物。
- The results reveal that An-carriers are mainly pyrites among which pyritohedron is the most important one. 该矿物热电性全属P型导电,热电系数在垂向上无大变化,预示本矿床深部仍具一定远景。
- Acid mine drainage (AMD) is a result of the pyrites with air and water, which passes through a series of geochemical reactions under the effect of microorganisms. 煤矿酸性矿井水是煤矿开采中由于硫铁矿与空气、水接触,在微生物作用下经过一系列地球化学反应产生的一种危害矿井生产、破坏生态环境的有害矿井排水。
- Pyrites often contain several nonferrous metal and noble metal elementS and thus can bepossessed of comprehensive utilization. 黄铁矿常含有多种有色金属和贵金属元素,具有综合利用价值。
- In view of the defects in GB, a novel method was proposed after many experiments to accurately measure the content of pyrites sulfur derived from coal. 摘要针对国标法难以准确测定含量高达40%25左右的煤系硫铁矿中硫化铁硫的不足,通过多次试验提出一个可以准确测定高含量煤系硫铁矿中硫化铁硫的方法。
- The constituents of six ore minerals, especially those of pyrites and cassiterite, are obviously con trolled by temporal factors. 结果显示,矿床中主要矿石矿物的化学成分明显受时间因素控制,尤其是黄铁矿类和锡石。
- The sulfur produced from pyrites at first appeared in the Northern and Sourhern Dynasties, and then was developed in the Tang Dynasty. 本文认为,山西阳城由硫铁矿炼硫的迹象在南北朝时出现,而发展于唐。