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Geology and mineralization of the Hongqiling large magmatic nickel-copper-cobalt deposit(22×10^(4)t)in Jilin Province,China:A review
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作者 Cong Chen Yu-chao Gu +14 位作者 Di Zhang Tao-tao Wu Ai Li Yun-sheng Ren Qing-qing Shang Jian Zhang Xiong-fei Bian Fei Su Jia-lin Yang Qiu-shi Sun Xiao-hai Li Wan-zhen Liu Zhen-ming Sun Sen Zhang Yu-hui Feng 《China Geology》 CAS CSCD 2024年第4期762-796,共35页
The Hongqiling large nickel-copper-cobalt deposit(hereafter referred to as the Hongqiling deposit),a typical mafic-ultramafic copper-nickel deposit in China,boasts proven Ni(Ni)resources of approximately 22×10^(4... The Hongqiling large nickel-copper-cobalt deposit(hereafter referred to as the Hongqiling deposit),a typical mafic-ultramafic copper-nickel deposit in China,boasts proven Ni(Ni)resources of approximately 22×10^(4)t,associated copper resources of 2×10^(4)t,and associated cobalt(Co)resources of 0.5×10^(4)t,with Ni reserves ranking 10th among China's magmatic nickel deposits.Geotectonically,the Hongqiling deposit is situated in the superimposed zone between the Xing'an-Mongolian orogenic belt and the circum-Western Pacific's active continental margin belt.Its ore-bearing plutons occur within the metamorphic rocks of the Ordovician Hulan Group,with the emplacement of plutons and the locations of orebodies governed by the deep-seated Huifahe fault and its secondary NW-trending Fujia-Hejiagou-Beixinglong-Changsheng fault zone.In the deposit,the rock assemblages of ore-bearing plutons predominantly encompass gabbro-pyroxenite-olivine pyroxenite-pyroxene peridotite(pluton No.1)and norite-orthopyroxenite-harzburgite(pluton No.7),with ore-bearing lithofacies consisting primarily of olivine pyroxenite and pyroxenite facies.The Hongqiling deposit hosts stratoid,overhanging lentoid,veined,and pure-sulfide veined orebodies.Its ores principally contain metallic minerals including pyrrhotite,pentlandite,chalcopyrite,violarite,and pyrite.Despite unidentified magma sources of ore-bearing mafic-ultramafic rocks,it is roughly accepted that the magmatic evolution in the Hongqiling deposit primarily involved fractional crystallization and crustal contamination.The ore-forming materials were primarily derived from the upper mantle,mixed with minor crustal materials.The ore-bearing mafic-ultramafic rocks in the deposit,primarily emplaced during the Indosinian(208-239 Ma),were formed in an intense extension setting followed by the collisional orogeny between the North China Plate and the Songnen-Zhangguangcai Range Block during the Middle-Late Triassic.From the perspective of the metallogenic geological setting,surrounding rocks,ore-controlling structures,and rock assemblages,this study identified one favorable condition and seven significant indicators for prospecting for Hongqiling-type nickel deposits and developed a prospecting model of the Hongqiling deposit.These serve as valuable references for exploring similar nickel deposits in the region,as well as the deep parts and margins of the Hongqiling deposit. 展开更多
关键词 Nickel-copper-cobalt deposit Fractional crystallization Crustal contamination magmatic MINERALIZATION Re-Os isotopic age Sulfur isotopic Metallogenic mode Prospecting model Western Pacific’s active continental margin Mineral exploration engineering Hongqiling Jilin
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Classification of Magmatic Sulphide Deposits in China and Mineralization of Small Intrusions 被引量:6
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作者 TANG Zhongli YAN Haiqing +1 位作者 JIAO Jiangang LI Xiaohu 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2006年第3期412-419,共8页
Many important metal resources, such as Ni (Cu, Co), PGE, exist in magmatic sulfide deposits, are a hot spot in geological research. We divide the magmatic sulphide deposits in China into four types according to the... Many important metal resources, such as Ni (Cu, Co), PGE, exist in magmatic sulfide deposits, are a hot spot in geological research. We divide the magmatic sulphide deposits in China into four types according to their tectonic setting, intruding mode, ore deposit mode, main metallogenic elements. The four types are as follows: (1) Small-intrusion deposits in paleo-continent; (2) Smallintrusion deposits in continental flood basalt; (3) Small-intrusion deposits in orogenic belt; and (4) The deposits associated with ophiolites. On the basis of the classification, we put forward that the main magmatic metallogenic type in China is small-intrusion metallogeny, and describe its characteristics from small intrusions related concept, three geologic settings, three volcanic-intrusive assemblages and metallogenic key factors. According to the experiences of prospecting at home and abroad, we point out that there is big potential in prospecting small-intrusion deposits, which need further study. At last, we indicate that small-intrusion metallogeny not only widely distributes in mafic-ultramafic intrusions, but also has an important economic value and scientific significance in intermediate-acid intrusions. 展开更多
关键词 magmatic sulfide deposits CLASSIFICATION small intrusions METALLOGENESIS
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Time scales and length scales in magma ?ow pathways and the origin ofmagmatic Ni-Cu-PGE ore deposits 被引量:4
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作者 Stephen J.Barnes Jesse C.Robertson 《Geoscience Frontiers》 SCIE CAS CSCD 2019年第1期77-87,共11页
Ore forming processes involve the redistribution of heat, mass and momentum by a wide range of processes operating at different time and length scales. The fastest process at any given length scale tends to be the dom... Ore forming processes involve the redistribution of heat, mass and momentum by a wide range of processes operating at different time and length scales. The fastest process at any given length scale tends to be the dominant control. Applying this principle to the array of physical processes that operate within magma flow pathways leads to some key insights into the origins of magmatic Ni-Cu-PGE sulfide ore deposits. A high proportion of mineralised systems, including those in the super-giant Noril'sk-Talnakh camp, are formed in small conduit intrusions where assimilation of country rock has played a major role. Evidence of this process is reflected in the common association of sulfides with varitextured contaminated host rocks containing xenoliths in varying stages of assimilation. Direct incorporation of S-bearing country rock xenoliths is likely to be the dominant mechanism for generating sulfide liquids in this setting. However, the processes of melting or dissolving these xenoliths is relatively slow compared with magma flow rates and, depending on xenolith lithology and the composition of the carrier magma, slow compared with settling and accumulation rates. Chemical equilibration between sulfide droplets and silicate magma is slower still, as is the process of dissolving sulfide liquid into initially undersaturated silicate magmas. Much of the transport and deposition of sulfide in the carrier magmas may occur while sulfide is still incorporated in the xenoliths, accounting for the common association of magmatic sulfide-matrix ore breccias and contaminated "taxitic" host rocks. Effective upgrading of so-formed sulfide liquids would require repetitive recycling by processes such as reentrainment, back flow or gravity flow operating over the lifetime of the magma transport system as a whole. In contrast to mafic-hosted systems, komatiite-hosted ores only rarely show an association with externally-derived xenoliths, an observation which is partially due to the predominant formation of ores in lava flows rather than deep-seated intrusions, but also to the much shorter timescales of key component systems in hotter, less viscous magmas. Nonetheless, multiple cycles of deposition and entrainment are necessary to account for the metal contents of komatiite-hosted sulfides. More generally, the time and length scale approach introduced here may be of value in understanding other igneous processes as well as non-magmatic mineral systems. 展开更多
关键词 magmatic ore deposits ASSIMILATION INTRUSIONS Nickel Norilsk KOMATIITES
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Rare Earth Element Geochemistry on Magmatic Rocks and Gold Deposits in Shizishan Ore-Field of Tongling, China 被引量:5
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作者 徐晓春 陆三明 +2 位作者 谢巧勤 储国正 熊亚平 《Journal of Rare Earths》 SCIE EI CAS CSCD 2006年第5期617-625,共9页
REE geochemical characteristics of the magmatic rocks and gold deposits in Shizishan ore-field of Tongling were studied. Three types of the magmatic rocks have almost the same chondrite-normalized REE patterns, Eu and... REE geochemical characteristics of the magmatic rocks and gold deposits in Shizishan ore-field of Tongling were studied. Three types of the magmatic rocks have almost the same chondrite-normalized REE patterns, Eu and Ce anomalous values, and ∑REE, ∑LREE/∑HREE regular changes, which indicates that their magmas come from the same source and their digenetic mechanism is fractional crystallization. In three gold deposits, the mineral ores and related altered rocks have similar chondrite-normalized REE patterns and sharp Eu positive anomalous values. The REE contents reduced from the magmatic rocks to skamization or alteration magmatic rocks, skam type ores, sulphide type ores, wall-rocks limestone or marble. The REE geochemical characteristics of the ores and related rocks show that primary fluids originated from magmatic differentiation in lower pressure of shallow crust, ore-forming hydrothermal solutions gained REE and mineralization elements further from leaching the magmatic rocks, then superimposed and reformed the limestones or marbles and deposited ore-forming material. 展开更多
关键词 REE geochemistry magmatic rocks gold deposits Shizishan ore-field TONGLING rare earths
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Geological Characteristics and Metallogenic Setting of Representative Magmatic Cu-Ni Deposits in the Tianshan-Xingmeng Orogenic Belt, Central Asia 被引量:1
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作者 HAN Chunming XIAO Wenjiao +7 位作者 SU Benxun ZHANG Xiaohui WAN Bo SONG Dongfang ZHANG Zhiyong ZHANG Jien WANG Zhongmei XIE Mingcai 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2019年第5期1205-1218,共14页
A great number of magmatic Cu-Ni deposits(including Kalatongke in Xinjiang and Hongqiling in Jilin) are distributed over a distance of almost 3000 km across the Tianshan-Xingmeng Orogenic Belt, from Tianshan Mountains... A great number of magmatic Cu-Ni deposits(including Kalatongke in Xinjiang and Hongqiling in Jilin) are distributed over a distance of almost 3000 km across the Tianshan-Xingmeng Orogenic Belt, from Tianshan Mountains in Xinjiang in the west, to Jilin in eastern China in the east. These deposits were formed during a range of magmatic episodes from the Devonian to the Triassic. Significant magmatic Cu-Ni-Co-PGE deposits were formed from the Devonian period in the Nalati arc(e.g. Jingbulake Cu-Ni in Xinjiang), Carboniferous period in the Puerjin-Ertai arc(e.g. Kalatongke Cu-Ni-Co-PGE in Xinjiang), Carboniferous period in the Dananhu-Touquan arc(e.g. Huangshandong, Xiangshan and Tulaergen in estern Tianshan, Xinjiang) to Triassic period in the Hulan arc(e.g. Hongqiling Cu-Ni in Jilin). In addition to the overall tectonic, geologic and distribution of magmatic Cu-Ni deposits in the Tianshan-Xingmeng Orogenic Belt, the metallogenic setting, deposit geology and mineralization characteristics of each deposit mentioned above are summarized in this paper. Geochronologic data of Cu-Ni deposits indicate that, from west to east, the metallogenic ages in the Tianshan-Xingmeng Orogenic Belt changed with time, namely, from the Late Caledonian(~440 Ma), through the Late Hercynian(300-265 Ma) to the Late Indosinian(225-200 Ma). Such variation could reflect a gradual scissor type closure of the paleo Asian ocean between the Siberia Craton and the North China Craton from west to east. 展开更多
关键词 Geochronology magmatic Cu-Ni-Co-PGE deposits Tianshan-Xingmeng Orogenic Belt Central Asia
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Magmatic Sulfide Ni-Cu Deposits in China 被引量:1
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作者 Tang Zhongli Gansu Bureau of Geology and Mineral Resources, Lanzhou 730000 《Journal of Earth Science》 SCIE CAS CSCD 1999年第1期12-16,共5页
Deep seated magmatic liquation injection deposits form a major type of magmatic sulfide deposit in China. The reserves of nickel and copper in this type of deposit may attain several hundred thousand tons (e.g.Hongq... Deep seated magmatic liquation injection deposits form a major type of magmatic sulfide deposit in China. The reserves of nickel and copper in this type of deposit may attain several hundred thousand tons (e.g.Hongqi 7 and Karatunggu) to nearly ten million tons (e.g.Jinchuan). Those deposits can be classified as large or superlarge deposits. The ore grade is relatively high, commonly with w (Ni)>1 %. The mineralized intrusions are small in size, generally only 0.0 n km 2 to 0. n km 2, with the largest one not exceeding a few km 2. Before intruding, the primary magmas have undergone liquation and partial crystallization at depth; as a result, the magmas have partitioned into barren magma, ore bearing magma, ore rich magma and ore magma, which then ascended and injected into the present locations once or multiple times, to form ore deposits. The above mentioned mineralizing process is known as deep seated magmatic liquation injection mineralization. The volume of the barren magma is generally much larger than those of the ore bearing magma, ore rich magma and ore magma. In the ascending process, most of the barren magma intruded into different locations or outpoured onto the ground surface, forming intrusions or lava flows. The rest barren magma, ore bearing magma, ore rich magma and ore magma may either multiple times inject into the same place in which rocks and ores are formed or separately inject into different spaces to form rocks and ores. Such deep seated magmatic liquation injection deposits have a much smaller volume, greater ore potential and higher ore grade than those of in situ magmatic liquation deposits. Consequently, this mineralizing process leads to the formation of large deposits in small intrusions. 展开更多
关键词 deep seated liquation INJECTION spatio temporal distribution magmatic sulfide deposit.
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Magmatic Evolution and Mineralization of Porphyry Copper-Gold Deposits in the Duolong Ore Concentration Area, Tibet 被引量:1
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作者 ZHANG Hai MA Dongfang +1 位作者 ZHANG Hong ZHU Xiangping 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2015年第5期1767-1768,共2页
The Bangong Lake-Nujiang River metallogenic belt is located between the Qiangtang Block and Lhasa Block, and the Duolong ore concentration area is located in the western section of the Bangong Lake-Nujiang River metal... The Bangong Lake-Nujiang River metallogenic belt is located between the Qiangtang Block and Lhasa Block, and the Duolong ore concentration area is located in the western section of the Bangong Lake-Nujiang River metallogenic belt. Till now, several large and super large copper-gold deposits, such as Duobuza, Bolong, Dibaonamugang, Naruo and Rongna deposits have been discovered in this area, mainly porphyry copper-gold ones. 展开更多
关键词 area LAKE magmatic Evolution and Mineralization of Porphyry Copper-Gold deposits in the Duolong Ore Concentration Area TIBET
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Potential of Magmatic Ni-Cu Deposits of the Hualong Block,Qilian Mountains
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作者 Zhaowei Zhang Xi’an Center of Geological Survey,China Geological Survey,Xi’an 710054,China. 《地学前缘》 EI CAS CSCD 北大核心 2009年第S1期167-167,共1页
The Jinchuan magmatic Ni-Cu deposit,located in the Longshou Mountain region,is the largest producer of Ni and Cu in China,with mineralization being related to mafic and ultramafic magmatism.Previous studies have shown... The Jinchuan magmatic Ni-Cu deposit,located in the Longshou Mountain region,is the largest producer of Ni and Cu in China,with mineralization being related to mafic and ultramafic magmatism.Previous studies have shown that the Longshou Mountain was combined with the Qilian Mountains before Neoproterozoic,and was separated from each other due to the opening of late Qilian oceanic basin in the Paleozoic.The relict Precambrian microcontinents of the Longshou Mountain and Qilian Mountain 展开更多
关键词 magmatISM NI-CU Jinchuan deposit
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MAGMATIC CRYPTO-EXPLOSION AND EXPLOSIVE PIPE TYPE PORPHYRY AU,AG ORE DEPOSITS
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《Geotectonica et Metallogenia》 1994年第Z2期60-61,共2页
关键词 PIPE ORE magmatic CRYPTO-EXPLOSION AND EXPLOSIVE PIPE TYPE PORPHYRY AU AG ORE deposits AG
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MODELS OF ORE FORMING FOR BASE AND PRECIOUS DEPOSITS IN TECTONIC MAGMATIC ACTIVITY (TMA)REGIONS
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作者 GORZCHEVSKY D.I +1 位作者 KONSTANTINOV M.M 《Geotectonica et Metallogenia》 1994年第Z2期47-47,共1页
关键词 TMA)REGIONS MODELS OF ORE FORMING FOR BASE AND PRECIOUS deposits IN TECTONIC magmatic ACTIVITY
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Petrogenesis and Physicochemical Conditions of Fertile Porphyry in Non-arc Porphyry Mineralization:A Case from Habo Porphyry Cu-Mo Deposits,SW China 被引量:1
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作者 ZHANG Aiping ZHENG Yuanchuan +4 位作者 SHEN Yang Qi Qunjia WANG Zixuan WU Changda WANG Lu 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2023年第2期469-485,共17页
The Habo deposit is a typical porphyry Cu-Mo deposit in the Ailaoshan–Red River metallogenic belt.Ore minerals in the Habo deposit typically occur as veins in the monzonite porphyry.Zircon U-Pb dating suggests that t... The Habo deposit is a typical porphyry Cu-Mo deposit in the Ailaoshan–Red River metallogenic belt.Ore minerals in the Habo deposit typically occur as veins in the monzonite porphyry.Zircon U-Pb dating suggests that the monzonite porphyry formed at 35.07±0.38 Ma.The monzonite porphyry is characterized by high SiO_(2),Al_(2)O_(3),K_(2)O and Na_(2)O contents,with A/CNK ratios ranging from 0.97 to 1.02.All samples exhibit fractionated REE patterns,characterized by high(La/Yb)N ratios(9.4–13.6,average of 11.2).They show adakite-like geochemical features,high Sr concentrations(627–751 ppm,average of 700 ppm),low Y concentrations(15.13–16.86 ppm,average of 15.81 ppm)and high Sr/Y values(39.5–47.4,average of 44.3).These samples have high initial^(87)Sr/^(86)Sr ratios(0.7074–0.7076)and negativeεNd(t)values(-5.1 to-3.7),whereas the zirconεHf(t)values range from-2.2 to+0.4,suggesting that the monzonite porphyry was derived from the partial melting of a thickened juvenile lower crust.The oxygen fugacity,calculated on the basis of the chemical composition of the amphiboles,shows?NNO values ranging from+1.65 to+2.16(average of 1.94)and lg(fO_(2))ranging from-12.72 to-11.99(average of-12.25),indicating that the monzonite porphyry has high oxygen fugacity.Zircons have high Ce^(4+)/Ce^(3+)ratios(29.29–164.24,average of 84.92),with high?FMQ values ranging from+0.50 to+1.51(average of 0.87)and high lg(fO_(2))values ranging from-14.72 to-12.85(average of-14.07),which also indicates that the oxygen fugacity of the magma was high.The dissolved water content of the Habo monzonite porphyry is 9.5–11.5 wt%,according to the geochemical characteristics,zircon-saturation thermometry(692–794°C)and the mineral phases(amphibole,no plagioclase)in the deep magma chamber.Combined with previous studies,we propose that the high oxygen fugacity and high water content of magma played key roles in controlling the formation of the Habo and other Cu-Mo-Au deposits in the Ailaoshan–Red River metallogenic belt. 展开更多
关键词 magmatic oxidation state water content monzonite porphyry Habo porphyry Cu-Mo deposit Ailaoshan-Red River metallogenic belt
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Platinum-group Elements Geochemistry of the Yangliuping Magmatic Ni-Cu-PGE Sulfide Deposit:Implications of Its Genetic Link with the Extrusive Basalts 被引量:4
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作者 ZHENGJianbin CAOZhimin +2 位作者 SONGXieyan ANWei1 LIUJi 《Journal of Ocean University of China》 SCIE CAS 2004年第1期93-98,共6页
Primitive mantle normalized Platinum group elements (PGE) concentration patterns for the Zhengziyanwo intrusion and Dashibao Formation basalts are of positive slope, similar to most of the world class magmatic Ni Cu P... Primitive mantle normalized Platinum group elements (PGE) concentration patterns for the Zhengziyanwo intrusion and Dashibao Formation basalts are of positive slope, similar to most of the world class magmatic Ni Cu PGE sulfide deposits. Characters of this intrusion and its related ores and Dashibao Formation basalts are their negative Pt anomaly and high concentration of Rh relative to Pt and Pd, facts being interpreted to be the results of crystallization and fractionation of Pt alloys and spinel phase free crystallization history for the magma, respectively. PGE parameters of the Dashibao Formation basalts are consistent with the general trend of those found for the Zhengziyanwo intrusion, and this might infer a genetic link between them. 展开更多
关键词 magmatic Ni-Cu-PGE sulfide deposit PGE concentration pattern Pt-anomaly Yangliuping BASALT
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Dating Magmatic Hornblende and Biotite and Hydrothermal Sericite by Laser Probe Technique:Constraints on Genesis of Wangershan Gold Deposit,Eastern Shandong Province,China 被引量:2
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作者 LiJianwei VasconcelosPM +1 位作者 ZhouMF Duzgoren-AydinNS 《Journal of China University of Geosciences》 SCIE CSCD 2003年第4期339-348,共10页
The Wangershan gold deposit and spatially related Shangzhuang granite, eastern Shandong Province, have been precisely dated by 40 Ar/ 39 Ar laser incremental heating technique. Magmatic hornblende and biotite, ... The Wangershan gold deposit and spatially related Shangzhuang granite, eastern Shandong Province, have been precisely dated by 40 Ar/ 39 Ar laser incremental heating technique. Magmatic hornblende and biotite, collected from the Shangzhuang granites, yielded well-defined and reproducible plateau ages at 128.1-127.5 and 124.4-124.1 Ma (2 σ ), measuring the cooling ages of the intrusion at ca. 500 ℃ and 300-350 ℃, respectively. Hydrothermal sericite extracted from auriferous vein gave high-quality plateau ages between (120.6±0.3) Ma and (120.0±0.4) Ma (2 σ ). Given the similarity of the closure temperature for argon diffusion (300-350 ℃) in the sericite mineral to the homogenization temperature of primary fluid inclusions in the quartz from gold ores, and the intergrowth of sericite with native gold, present 40 Ar/ 39 Ar sericite ages can be reliably interpreted in terms of the mineralization age for the Wangershan deposit. 40 Ar/ 39 Ar hornblende and biotite ages permit an estimate for the cooling rate of the Shangzhuang granite at about 50 ℃/Ma. There are abundant intermediate-mafic dikes in most gold camps of eastern Shandong, whose ages of formation have been previously constrained mainly at 121-119 Ma. The temporal association between the Shangzhuang granite, the Wangershan gold deposit, and the widespread dikes confirms that intrusive activity, gold mineralization, and dike emplacement in this region were broadly coeval, reflecting significant continental lithosphere thinning and resulting crustal extension of Early Cretaceous in eastern China. 展开更多
关键词 40Ar/39 Ar dating cooling age magmatism mineralization Wangershan gold deposit.
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Magmatic Hydrothermal Origin of the Wenyu Copper Polymetallic Deposit, Southern Lancangjiang Zone, SW China 被引量:2
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作者 YANG Yongfei FAN Wenyu +1 位作者 LUO Maojin SHI Hongzhao 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2015年第5期1769-1770,共2页
The Wenyu copper polymetallic deposit, with proven reserves of about 0.23 Mt Cu, 394 t Ag and 0.04 Mt Pb, is located in the central part of the Lancangjiang volcanic rock belt (Fig. l a), which is one of the most po... The Wenyu copper polymetallic deposit, with proven reserves of about 0.23 Mt Cu, 394 t Ag and 0.04 Mt Pb, is located in the central part of the Lancangjiang volcanic rock belt (Fig. l a), which is one of the most potential copper polymetallic exploration areas in SW China. 展开更多
关键词 CU Southern Lancangjiang Zone SW China magmatic Hydrothermal Origin of the Wenyu Copper Polymetallic deposit
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Magmatic Evolution and Mineralization Process of the Super-Large Shihuiyao Rb–Nb–Ta Deposit,Southern Great Xing'an Range,China 被引量:3
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作者 ZHOU Zhenhua CHE Hewei +1 位作者 MA Xinghua GAO Xu 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2016年第6期2275-2276,共2页
Rare metal ore reserves are an important strategic resource, and their metallogenic mechanism and mineralization studies have also been received widespread international attention.
关键词 In Nb magmatic Evolution and Mineralization Process of the Super-Large Shihuiyao Rb Ta deposit Southern Great Xing’an Range China
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Sea-floor exhalative sedimentary and magmatic hydrothermal superimposition on the Bainiuchang polymetallic deposit in Yunnan Province: REE geochemical evidence 被引量:4
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作者 ZHU Chaohui ZHANG Qian +3 位作者 SHAO Shuxun ZHU Xiaoqing HE Yuliang WANG Dapeng 《Chinese Journal Of Geochemistry》 EI CAS 2007年第3期267-275,共9页
In order to study the characteristics of sea-floor exhalative sedimentary and magmatic hydrothermal superimposition on the Bainiuchang polymetallic deposit, the REE compositions of the granites, host-rocks and ores ha... In order to study the characteristics of sea-floor exhalative sedimentary and magmatic hydrothermal superimposition on the Bainiuchang polymetallic deposit, the REE compositions of the granites, host-rocks and ores have been systematically analyzed by ICP-MS. As viewed from their REE compositions, the granites show obvious negative Eu anomalies and weak negative Ce anomalies. According to their REE characteristics, the host-rocks were derived partly from sea-floor exhalative sediments. In terms of their REE compositions, the ores can be divided into two groups: one group, of which the samples were collected from the Baiyang segment relatively far away from the Bozhushan granite batholith, possesses positive Eu anomalies or no Eu anomaly and negative Ce anomalies, indicating that ore-forming hydrothermal fluid was relatively reductive and its temperature was higher than 250 ℃. Furthermore, the coinstantaneous presence of positive Eu anomalies and negative Ce anomalies indicate that the convective mixing of a little amount of seawater with hydrothermal fluid had happened while ores were precipitated on ancient sea floor. The other group, of which the samples were mainly collected from the Chuanxindong and Duimenshan segments near the Bozhushan granite batholith, has similar chondrite-monalized REE distribution patterns to those of the magmatic rocks. But as a whole, the REE characteristics of both groups change gradually starting from the Bozhushan granite batholith. Based on the REE characteristics of the granites, host-rocks and ores, it is suggested that the ore-forming metals seem to have come from several different sources. 展开更多
关键词 海床 沉积物 稀土 矿石
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The Sachakou Deposit in West Kunlun of Xinjiang: A Pb-Zn Polymetallic Deposit Associated with Magmatic Metasomatism of Carbonate Rock 被引量:1
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作者 ZHOU Menglin LIU Yingchao 《Acta Geologica Sinica(English Edition)》 CAS CSCD 2018年第2期883-884,共2页
Objective The Sachakou Pb-Zn polymetallic deposit is located in Hetian County, Xinjiang (geographical coordinates of E78° 57' 54.30"-78°59' 53.63", N34° 39' 27.50"-34° 40' 57.21"). It be... Objective The Sachakou Pb-Zn polymetallic deposit is located in Hetian County, Xinjiang (geographical coordinates of E78° 57' 54.30"-78°59' 53.63", N34° 39' 27.50"-34° 40' 57.21"). It belongs to the West Kunlun orogenic belt on the northwest edge of the Qinghai-Tibet Plateau and is connected to the Sanjiang orogenic belt to the south (Spurlin et al., 2005). In recent years, a series of Pb-Zn mineralized spots and deposits have been discovered in this area one after another, which is called the Huoshaoyun ore concentration area. Among them, the Sachakou Pb-Zn deposit has reserves up to140 Mt, which has reached a large scale. However, the study on the genesis of deposits in this area has only just begun. This work studied the genesis ofthis Pb-Zn deposit in order to provide new ideas for the genesis of regional deposits and regional prospecting. 展开更多
关键词 PB A Pb-Zn Polymetallic deposit Associated with magmatic Metasomatism of Carbonate Rock The Sachakou deposit in West Kunlun of Xinjiang ZN
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Mineral Chemical Characteristics of Gabbro-diorite for Shulouqiu Uranium Deposit in Northern Guangdong, China: Constraint on the Magmatic Source
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作者 ZHONG Fujun PAN Jiayong +2 位作者 LIU Guoqi LIU Wenquan QI Jiaming 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2017年第S1期109-110,共2页
1 Introduction The uranium deposits related with Indosinian and Yanshanian granite have provided the abundant resource of uranium during the past several decades in China.The deposits are mainly distributing in the Gu... 1 Introduction The uranium deposits related with Indosinian and Yanshanian granite have provided the abundant resource of uranium during the past several decades in China.The deposits are mainly distributing in the Guidong granite 展开更多
关键词 China Constraint on the magmatic Source Mineral Chemical Characteristics of Gabbro-diorite for Shulouqiu Uranium deposit in Northern Guangdong
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岩浆型Cu-Ni-PGE硫化物矿床研究的几个问题探讨 被引量:23
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作者 柴凤梅 张招崇 +2 位作者 毛景文 董连慧 张作衡 《矿床地质》 CAS CSCD 北大核心 2005年第3期325-335,共11页
文章简述了岩浆型Cu_Ni_PGE硫化物矿床的主要特点和研究现状,探讨了矿床的成矿机制,认为其成矿的首要条件是岩浆中硫达到饱和而使硅酸盐岩浆与硫化物熔体发生熔离。综述了如何利用同位素方法确定其成矿物质来源,介绍了如何判别硫饱和度... 文章简述了岩浆型Cu_Ni_PGE硫化物矿床的主要特点和研究现状,探讨了矿床的成矿机制,认为其成矿的首要条件是岩浆中硫达到饱和而使硅酸盐岩浆与硫化物熔体发生熔离。综述了如何利用同位素方法确定其成矿物质来源,介绍了如何判别硫饱和度的方法。 展开更多
关键词 地质学 岩浆作用 熔离作用 Cu—Ni—PGE矿床 铼-锇同位素 硫的饱和状态 综述
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峨眉山大火成岩省Cu-Ni-PGE成矿作用——几个典型矿床岩石地球化学特征的分析 被引量:15
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作者 陶琰 胡瑞忠 +3 位作者 王兴阵 朱丹 宋谢炎 冯家毅 《矿物岩石地球化学通报》 CAS CSCD 2006年第3期236-244,共9页
峨眉山大火成岩省岩浆型Cu-Ni-PGE矿化岩体广泛分布,构成峨眉山地幔柱成矿系统中一个非常重要的成矿系列。本文剖析了峨眉山大火成岩省该类矿床的分布及部分典型矿床的地质地球化学特征和矿化特征,揭示了成矿岩体统一的地幔柱成因,阐述... 峨眉山大火成岩省岩浆型Cu-Ni-PGE矿化岩体广泛分布,构成峨眉山地幔柱成矿系统中一个非常重要的成矿系列。本文剖析了峨眉山大火成岩省该类矿床的分布及部分典型矿床的地质地球化学特征和矿化特征,揭示了成矿岩体统一的地幔柱成因,阐述了Cu-Ni-PGE成矿作用与峨眉山地幔柱岩浆活动体系的关系,探讨了由于岩浆演化过程及硫化物熔离富集过程的差异所导致的矿化类型变异。指出Cu-Ni-PGE矿床成矿岩体原始岩浆为地幔柱高程度熔融的高镁玄武岩浆,成矿岩体与峨眉山低钛玄武岩同源,矿化岩体主要产于峨眉山地幔柱活动模型的内带低钛玄武岩分布区;金宝山、朱布、力马河、杨柳坪矿床分别代表峨眉山地幔柱Cu-Ni-PGE成矿作用不同成矿机制的端员类型。 展开更多
关键词 地幔柱 峨眉山大火成岩省 岩浆cu-ni-pge矿床
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