| 山东省乳山市西涝口金矿床金矿物学特征及其意义 |
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| 引用本文： | 康恺,吕军阳,胡秉谦,滕嘉文. 山东省乳山市西涝口金矿床金矿物学特征及其意义[J]. 山东国土资源, 2022, 38(2): 27-33 |
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| 作者姓名： | 康恺 吕军阳 胡秉谦 滕嘉文 |
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| 作者单位： | 山东省第六地质矿产勘查院,山东威海 264209 |
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| 基金项目： | 山东省地质勘查项目,焦家式金矿(项目编号:LYKY202001)。 |
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| 摘 要： | 西涝口金矿是胶莱盆地东北缘地区典型的金矿床,该区金矿物以单颗粒的自然金为主,有少量的银金矿.粒度多集中在1～37μm;形态多为星点状、角粒状、圆粒状、细脉状、枝杈状等.主要以包体金、粒间金、裂隙金存在于黄铁矿、石英等颗粒中.化学成分中除含Au和Ag以外,还含有Fe、S、Te、Se、Ni、Co等元素检出,其中Fe、S、T...
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| 关 键 词： | 金成色 金矿物 化学成分 西涝口金矿床 |
Gold Mineralogy and Its Significance of Xilaokou Gold Deposit in Rushan City in Shandong Province |
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| KANG Kai,LV Junyang,HU Bingqian,TENG Jiawen. Gold Mineralogy and Its Significance of Xilaokou Gold Deposit in Rushan City in Shandong Province[J]. SHANDONG LAND AND RESOURCES, 2022, 38(2): 27-33 |
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| Authors: | KANG Kai LV Junyang HU Bingqian TENG Jiawen |
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| Affiliation: | (No.6 Exploration Institute of Geology and Mineral Resources, Shandong Weihai 264209, China) |
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| Abstract: | Xilaokou gold deposit is a typical gold deposit in the northeast margin of Jiaolai basin.The gold minerals in this area are mainly single grain natural gold with a small amount of silver-gold.The granularity is mostly concentrated in 1~37μm.The shape is star point type,angular type,round type,vein type and branch type.It mainly exists in pyrite,quartz and other particles as inclusion gold,intergranular gold and fissure gold.In addition to Au and Ag,Fe,S,Te,Se,Ni,Co and other elements are detected in the chemical composition,among which Fe,S,Te elements are universal,which is inferred to be the product of medium-shallow mineralization.The average fineness of gold minerals is 864.49,inclusion gold(896.00)→intergranular gold(861.79)→fissure gold(846.93).The inclusion gold in pyrite is mainly natural gold.It has the highest fineness and reflects the highest formation temperature. |
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| Keywords: | Gold fineness gold mineral chemical composition Xilaokou gold deposit |
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