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    题名 作者 年代 出处 被引量
1山东大庄子金矿深部“铅锌矿化体”地质特征及成矿意义显示文摘通过对山东大庄子金矿床矿区深部不同钻孔岩芯样品的元素特征及统计分析,研究了其矿化特征及其与矿区碎裂岩及石英脉型金矿体的差异,揭示了矿区深部“铅锌矿化体”的成矿作用以多金属成矿为主,Au成矿期/阶段发育相对较弱。深部“铅锌矿化体”作为燕山晚期浅成热液活动的产物,为区域“Au-Ag-Pb-Zn”成矿演化提供重要依据。同时,深部“铅锌矿化体”作为碎裂岩型金矿体推测的延深部位,具有同浅部相同层位铅锌矿体类似的地质特征及富集规律,指示了在其深部可能存在另一个碎裂岩型金矿体富集段。翁立猛 部雪娇 邵恩庆 2021世界地质2021,40,3:1
2Characteristics and sources of ore-forming fluids of South Narimalahei copper polymetallic deposit in East Kunlun,Qinghai显示文摘The South Narimalahei area is located on the north side of the Middle Kunlun fault in the eastern section of the East Kunlun composite orogenic belt. The ore body is veined and controlled by structures and se- condary fissures, which occurs in the structural alteration fracture zone in the Late Triassic granodiorite. In this deposit, copper mineralization is closely related to silicification and sericification. The formation process of the deposit includes hydrothermal mineralization and supergene oxidation. In this paper, the fluid inclusion minera- logy , microscopic temperature measurement and stable isotope studies have been carried out for ore of the main mineralization stage. The results show that the primary gas-liquid two-phase inclusions and a small amount of single-liquid inclusions are mainly developed in the quartz in the main mineralization stage. The results of microscopic temperature measurement show that the ore-forming fluid which has low temperature (151.7℃ -205.8 ℃), low salinity(2.06wt% - 4.94wt%NaCl), low density (0.86 -0.92 g/cm^( 3)) and shallow formation (1.5 -3.0 km) is a hydrothermal solution of NaCl-H_(2)O system. Hydrogen and oxygen isotope results show that the ore-forming fluids mainly come from atmospheric precipitation, with a small amount of magmatic fluids participating. It is preliminarily determined that the South Narimalahei copper polymetallic deposit is a low- temperature hydrothermal vein deposit.SUN Qu WANG Li ZHANG Yongsheng FAN Xingzhu ZHANG Guofeng SHENG Jianhua CHEN Xiaohang LIU Xiang 2021Global Geology2021,24,3:0
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