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metallogenic origin of Sipingshan hot spring gold deposit in Hulin of Heilongjiang and its metallogenic mode

Global Geology 2011年第2期14卷 73-86页

作者： HUANG Yongwei LIU Jiajun QUAN Chuanshun ZHU Wenfeng First Institute of Geology Exploration of Heilongjiang Province Mudanjiang 157011 Heilongjiaag China School of Earlh Sciences and Resources China University of Gcosciences Beijing 100083 China Shandong Geologic Surveying and Mapping Institute Jinan 250011 China

Sipingshan gold deposit is gold-bearing sillcalite in type. There only exist a few kinds of sulfide in the ore and it is lower in content. The gold degree is lower. Au is closely related to the Ag, Cu, Pb, As and Hg elements. The upper sillealite has Eu and Ce negative anomaly, and the lower sillealite has Eu positive anomaly, however, the hot spring cemented breccia and rhyolite porphyry have Eu negative anomaly; the S isotope component has deep-seated magmatic sulfur and terrestrial sulfate characteristic; and the Ph isotope has the character of the mixture origin of crust and mantle that is mainly dominated by Pb in the orogenic beh. The oreforming tluid temperature is 180℃-244℃ , characterized by magmatie hydrothermal and meteoric water; and the ore-forming age is 87 Ma. The deposit was formed by the metallogenic fluid in the tectonic fault zone overtlowing near the earth＇ s surface and leading to the metallogenic funetion and the metallogenic substar,ee deposition.

关键词： hot spring epithermal gold deposit substanee origin metallogenic mode Sipingshan Heilongjiang

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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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China Geology 2024年第4期7卷 762-796页

作者： Cong Chen Yu-chao Gu 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 Shenyang Center of China Geological Survey Shenyang 110034China School of Earth Sciences and Resources China University of Geosciences(Beijing)Beijing 100083China College of Computer Science&Technology Qingdao UniversityQingdao 266071China Institute of Disaster Prevention Langfang 065200China College of Earth Sciences Jilin universityChangchun 130000China Geological Survey Institute of Jilin Province Changchun 130000China School of Surveying and Mapping Engineering Changchun Institute of TechnologyChangchun 130000China Physical Geological Materials Center of Natural Resources China Geological SurveyLangfang 065200China Shenyang Normal University Shenyang 110034China

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 ***,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 *** 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 *** 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 *** Hongqiling deposit hosts stratoid,overhanging lentoid,veined,and pure-sulfide veined *** ores principally contain metallic minerals including pyrrhotite,pentlandite,chalcopyrite,violarite,and *** 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 *** ore-forming materials were primarily derived from the upper mantle,mixed with minor crustal *** 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 *** the perspective of the metallogen

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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