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学者姓名：郑佳浩
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Abstract ：
The Hebaoshan gold deposit (41.5 t Au @ 3.5 g/t) is located in the southeastern region of the South China Block, central part of the Wuyishan metallogenic belt. The ore-hosting rocks in this area are predominantly Precambrian metasedimentary rocks and Caledonian granitic rocks. Two hydrothermal mineralization stages can be distinguished: a quartz-sericite-pyrite-native gold (stage I) and a chlorite-quartz-sericite-chalcopyrite-electrum (stage II), with hydrothermal monazite and rutile are firstly identified in separate stages. The complex geological history of the region has resulted in ongoing debates regarding the age of gold mineralization and the genesis of the major gold deposits in this area. In order to precisely constrain the mineralization age of the deposit and further establish a genetic model for the ore deposit, LA-ICP-MS U-Pb dating and trace element analysis on accessory minerals were conducted. Based on the textures mineral assemblages, and geochemical features of the accessory minerals, magmatic apatite, hydrothermal rutile, and both magmatic and hydrothermal monazite were identified. The U-Pb ages of magmatic apatite and monazite are determined to be 445.3 ± 15.80, 441.3 ± 15.10 Ma and 446.57 ± 1.03 Ma, respectively, suggesting that these ages represent the emplacement ages of the Caledonian intrusive rocks. The ages of hydrothermal monazite and hydrothermal rutile are determined to be 238.46 ± 2.01 Ma (single-mineral analysis), 238.46 ± 2.01 Ma (in-suit analysis) and 179.54 ± 7.28 Ma, respectively, suggesting that represent two mineralization events during the Late Triassic to early Jurassic in the Hebaoshan area. These data provide new constraints on the mineralization process in the Hebaoshan deposit and excludes the link between gold mineralization and the intrusion of the Caledonian granites. Regionally, It is speculated that the two mineralization events at Hebaoshan are respectively associated with intracontinental orogenic movements between the Yangtze Block and Cathaysia Block, the flat-slab subduction of the Paleo-Pacific Plate (stage I), and the subsequent extensional tectonics related to the collision between the Yangtze Block and Cathaysia Block (stage II). Our study indicates that the timing of multiple episodic mineralization can be constrained by analysis of accessory minerals, which provides a geological basis for better genetic model for the deposit and provide geological evidence for unraveling the relationships between magmatic activities and mineralization events in the region. © 2024
Keyword ：
Apatite Apatite Hebaoshan Gold deposit Hebaoshan Gold deposit Monazite Monazite Rutile Rutile U-Pb dating U-Pb dating
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| GB/T 7714 | Xiao, Z. , Zheng, J. , Zhao, J. et al. Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite [J]. | Ore Geology Reviews , 2024 , 170 . |
| MLA | Xiao, Z. et al. "Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite" . | Ore Geology Reviews 170 (2024) . |
| APA | Xiao, Z. , Zheng, J. , Zhao, J. , Chen, J. , Wu, X. , Liu, W. et al. Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite . | Ore Geology Reviews , 2024 , 170 . |
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A number of iron ore deposits and occurrences are distributed along the southeastern China coast, and they constitute an important Fe metallogenic belt in South China. However, the genesis of this belt remains poorly understood. Here, we present in situ U-Pb laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) ages of garnet from three Fe skarn deposits (Makeng, Luoyang, and Yangshan) to constrain the timing and the genesis of the Fe mineralization. Electron microprobe analyses of garnet in association with magnetite indicate a composition within the grossular-andradite solid solution series. Garnet from two Fe skarn ore samples in the Makeng deposit (430 Mt @ 41.60% Fe) in the western part of the belt yielded two U-Pb ages of 132.9 +/- 0.9 Ma and 131.4 +/- 1.2 Ma, respectively. Garnet from the Luoyang Fe skarn deposit (14.4 Mt @ 42.44%Fe) in the middle part of the belt yielded ages of 130.7 +/- 0.7 Ma and 131.8 +/- 1.4 Ma, and garnet from two ore samples in the Yangshan Fe deposit (37.1 Mt @ 42.82% Fe) in the eastern part of the belt yielded similar U-Pb ages of 130.0 +/- 1.2 Ma and 132.8 +/- 0.9 Ma. The consistent ore-formation ages, similar geological characteristics, and close spatial distribution of these Fe skarn deposits indicate that they constitute a newly recognized ca. 130 Ma Fe skarn metallogenic belt in South China. The garnet ages are in general agreement with the crystallization ages of their associated granitic rocks. The ca. 130 Ma iron skarn belt at the southeastern China coast formed simultaneously and in parallel NE-trending alignment with the Handan-Xingtai Fe skarn deposits in the central North China craton and the Middle-Lower Yangtze River Valley (MLYRV) iron-oxide apatite (IOA) and skarn deposits at the northeastern margin of Yangtze Craton in the northern part of Eastern China. Together, these three ca. 130 Ma Fe metallogenic belts in eastern China constitute an important component of the Cretaceous post-subduction tectono-magmatic Cu-Au-Mo-Sn-W-Fe metallogeny along the eastern Asian continental margin.
Keyword ：
Early Cretaceous Early Cretaceous Eastern China Eastern China Garnet in situ U-Pb geochronology Garnet in situ U-Pb geochronology Iron skarn Iron skarn Tectonic setting Tectonic setting
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| GB/T 7714 | Zheng, Jiahao , Mao, Jingwen . Recognition of a ca. 130 Ma Makeng-Yangshan iron skarn belt in the Southeastern China: evidence from garnet in situ U-Pb geochronology [J]. | MINERALIUM DEPOSITA , 2023 , 58 (5) : 925-937 . |
| MLA | Zheng, Jiahao et al. "Recognition of a ca. 130 Ma Makeng-Yangshan iron skarn belt in the Southeastern China: evidence from garnet in situ U-Pb geochronology" . | MINERALIUM DEPOSITA 58 . 5 (2023) : 925-937 . |
| APA | Zheng, Jiahao , Mao, Jingwen . Recognition of a ca. 130 Ma Makeng-Yangshan iron skarn belt in the Southeastern China: evidence from garnet in situ U-Pb geochronology . | MINERALIUM DEPOSITA , 2023 , 58 (5) , 925-937 . |
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The genesis of the gold deposits in the eastern North China Craton (NCC) has long been disputed. Many would relate the gold mineralization to magmatism. The Wulong in the Liaodong Peninsula is a classic example in the eastern NCC and was considered to be of magmatic hydrothermal origin previously. Nevertheless, we propose a metamorphic devolatilization model to explain its genesis based on geological, fluid inclusion and O-Sr-Li iso-topic study. The geological proliles, temperatures, salinities, and O isotopes of the ore-forming fluids at Wulong show no spatial variations over a 600 m vertical depth interval. These evidence convincingly prove its vertically extensive feature, which is similar to orogenic gold deposits, but different from magmatic hydrothermal systems. The initial Sr isotopes of the ore-forming fluids (0.71435 to 0.71578) fall into the range of metabasalts from the Liaohe Group (the Paleoproterozoic basement), indicating that metabasalts are the probable sources. Lithium and its isotopic modelling further suggest that metamorphic devolatilization of metabasalts (with chain silicates Ch, phyllosilicates Ph, and quartz Qtz as endmembers; Ch, Li es 5 ppm, 87Li es 8%0; Ph, Li es 63 ppm, 87Li es - 1%0; Qtz, Li es 10 ppm, 87Li es 30%0) could account for the Li concentrations (5-41 ppm) and 87Li value of the fluid (21.4%0) of the Wulong gold deposit. Rayleigh fractionation in a closed system led to large Li isotopic variation of the ore-forming fluids (21.4 to 11.0%0). The metamorphic devolatilization model based on the vertically extensive feature, Sr isotopic constraint and Li isotopic modelling is in striking contrast with previous qualitative isotopic studies that support a magmatic hydrothermal origin for the Wulong and other granitoid-hosted gold deposits in the eastern NCC. Integrated with geological characteristics and radiogenic isotopes, this study here shows that Li isotopes can provide new constraints on the genesis of orogenic gold deposits.
Keyword ：
Eastern North China Craton Eastern North China Craton Li isotopes Li isotopes Metamorphic devolatilization Metamorphic devolatilization Vertically extensive Vertically extensive Wulong lode gold deposit Wulong lode gold deposit
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| GB/T 7714 | Liu, Shuaijie , Chen, Bin , Zheng, Jiahao et al. A metamorphic devolatilization model for the granitoid-hosted Wulong lode gold deposit, Liaodong Peninsula, Eastern North China Craton: Evidence from geology, fluid inclusions, and O-Sr-Li isotopes [J]. | ORE GEOLOGY REVIEWS , 2023 , 158 . |
| MLA | Liu, Shuaijie et al. "A metamorphic devolatilization model for the granitoid-hosted Wulong lode gold deposit, Liaodong Peninsula, Eastern North China Craton: Evidence from geology, fluid inclusions, and O-Sr-Li isotopes" . | ORE GEOLOGY REVIEWS 158 (2023) . |
| APA | Liu, Shuaijie , Chen, Bin , Zheng, Jiahao , Bao, Chuang , Zhao, Guochun . A metamorphic devolatilization model for the granitoid-hosted Wulong lode gold deposit, Liaodong Peninsula, Eastern North China Craton: Evidence from geology, fluid inclusions, and O-Sr-Li isotopes . | ORE GEOLOGY REVIEWS , 2023 , 158 . |
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The Katbasu Au-Cu deposit in the Chinese western Tianshan is hosted in the ca. 355 Ma granite intrusion. This paper reports whole-rock geochemical and zircon Hf-O isotopic data for the granites and the mafic enclaves as well as in situ S isotopic data for the sulfides from the Katbasu Au-Cu deposit. Our results provide constraints on the petrogenesis and ore genesis of the Katbasu Au-Cu deposit. Geochemical characteristics suggest that the Katbasu granites are metaluminous rocks, exhibiting mineral assemblages and geochemical characteristics of Itype granites. The granites have positive zircon epsilon Hf(t) values of 7.1-10.2 and zircon 818O values of 6.2-7.2%o, suggesting a juvenile crustal origin. Mixing processes between felsic and mafic magmas were involved in their generation. The mafic enclaves are enriched in LILEs and depleted in HFSEs, and have zircon epsilon Hf(t) values of 7.5-15.8 and zircon 818O values of 5.4-6.9%o, suggesting that they were derived from a subduction-modified mantle and underwent subsequent crustal contamination and/or magma mixing processes. In situ S isotopic analyses show that pyrite grains from the pre-ore stage and post-ore stage have positive 834S values of 7.0-8.5%o and 8.2-9.0%o, respectively. Pyrite and chalcopyrite grains from an early magmatic-hydrothermal Cu-Au mineralization stage show 834S values of 8.8-11.1%o, and pyrite grains from the main orogenic Au mineralization stage have positive 834S values of 5.9-8.4%o. The heavy S isotope characteristics of magmatic-hydrothermal CuAu mineralization indicate that the magma source might be metasomatized by subduction materials, whereas the heavy S isotope characteristics of the late orogenic Au mineralization suggest that the ore-forming materials mainly originated from the metamorphic devolatilization of the source rocks. The ca.352-349 Ma early magmatic-hydrothermal Cu-Au mineralization in the Katbasu deposit formed in a subduction tectonic setting, whereas the ca. 323-311 Ma late orogenic Au mineralization formed in an orogenic environment during the final stage of subduction.
Keyword ：
Katbasu Au-Cu deposit Katbasu Au-Cu deposit Ore genesis Ore genesis Petrogenesis Petrogenesis Western Tianshan Western Tianshan
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| GB/T 7714 | Feng, Wanyi , Zheng, Jiahao , Shen, Ping . Petrology, mineralogy, and geochemistry of the Carboniferous Katbasu Au-Cu deposit, western Tianshan, Northwest China: Implications for petrogenesis, ore genesis, and tectonic setting [J]. | ORE GEOLOGY REVIEWS , 2023 , 161 . |
| MLA | Feng, Wanyi et al. "Petrology, mineralogy, and geochemistry of the Carboniferous Katbasu Au-Cu deposit, western Tianshan, Northwest China: Implications for petrogenesis, ore genesis, and tectonic setting" . | ORE GEOLOGY REVIEWS 161 (2023) . |
| APA | Feng, Wanyi , Zheng, Jiahao , Shen, Ping . Petrology, mineralogy, and geochemistry of the Carboniferous Katbasu Au-Cu deposit, western Tianshan, Northwest China: Implications for petrogenesis, ore genesis, and tectonic setting . | ORE GEOLOGY REVIEWS , 2023 , 161 . |
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查明蚀变和硫化物分带特征是建立斑岩-浅成低温铜金成矿系统的矿床模型与找矿预测的关键.Čukaru Peki铜金矿床是特提斯西段塞尔维亚Timok矿集区近几年新发现的超大型斑岩-浅成低温热液型铜金矿床(上部矿带资源量铜154万吨@2.45％,金86吨@1.37 g/t;下部矿带资源量铜1428万吨@0.83％,金295吨@0.17 g/t),矿体主要产于晚白垩世安山岩中.目前关于该矿床热液蚀变与矿化分带特征及其找矿方向的研究程度相对较低,本文根据钻孔编录信息,利用短波红外(SWIR)光谱技术、光学显微镜和电子探针分析技术,对典型剖面钻孔中的岩矿石样品开展研究,厘定了Čukaru Peki铜金矿床的热液蚀变和金属硫化物分带特征.研究发现该矿床具有垂向分带特征:下部斑岩铜金矿体、中部斑岩-浅成低温过渡铜金矿体和上部高硫型浅成低温热液铜金矿体.矿区热液蚀变分带特征明显,其中斑岩铜金矿体以岩体为中心,由内向外可划分为钾硅酸盐化带、青磐岩化带、绿泥石-白云母带和石英-白云母带,绿泥石-白云母带中的白云母SWIR Al-OH 2200 nm吸收峰波长高于石英-白云母带;斑岩向浅成低温过渡铜金矿体发育硬水铝石-叶蜡石带;高硫型浅成低温铜金矿体发育高级泥化蚀变,由内向外可划分为石英-明矾石带、地开石-高岭石带和蒙脱石带.Čukaru Peki铜金矿床的金属硫化物组合具有明显的分带特征,斑岩铜金矿体由下至上表现为:黄铜矿+斑铜矿→黄铁矿+黄铜矿+(磁铁矿±赤铁矿);过渡铜金矿体主要为:砷黝铜矿+(斑铜矿+黄铜矿+蓝辉铜矿+铜蓝)组合;高硫铜金矿体为硫砷铜矿+铜蓝组合.总体上,矿床下部为Cu-Fe-S体系,中部贯穿Cu-As-Sb-S体系,向上转变为Cu-S体系.硫化物组合从深部早阶段的高温低硫化态转为中浅部晚阶段的低温高硫化态.结合化探分析资料,建立热液蚀变和硫化物分带模型,推测Čukaru Peki铜金矿床北西部存在很大的找矿潜力.Čukaru Peki铜金矿床的研究可以为我国紫金山金铜矿床深边部增储、冈底斯成矿带寻找晚白垩世斑岩-浅成低温热液铜金矿床提供一定参考.
Keyword ：
Čukaru Peki铜金矿床 Čukaru Peki铜金矿床 Timok矿集区 Timok矿集区 斑岩型矿床 斑岩型矿床 热液蚀变 热液蚀变 硫化物组合 硫化物组合 高硫型浅成低温热液矿床 高硫型浅成低温热液矿床
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| GB/T 7714 | 单思齐 , 谢桂青 , 刘文元 et al. 特提斯西段塞尔维亚Čukaru Peki超大型斑岩-浅成低温型铜金矿床的热液蚀变和硫化物分带特征及其找矿方向 [J]. | 大地构造与成矿学 , 2023 , 47 (5) : 1085-1109 . |
| MLA | 单思齐 et al. "特提斯西段塞尔维亚Čukaru Peki超大型斑岩-浅成低温型铜金矿床的热液蚀变和硫化物分带特征及其找矿方向" . | 大地构造与成矿学 47 . 5 (2023) : 1085-1109 . |
| APA | 单思齐 , 谢桂青 , 刘文元 , 郑佳浩 , 邢波 . 特提斯西段塞尔维亚Čukaru Peki超大型斑岩-浅成低温型铜金矿床的热液蚀变和硫化物分带特征及其找矿方向 . | 大地构造与成矿学 , 2023 , 47 (5) , 1085-1109 . |
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Apatite is a common accessory mineral in iron oxide-apatite (IOA), magmatic Fe-Ti oxide, and metamorphosed sedimentary Fe deposits. Apatite chronology and oxygen isotopes in the IOA deposits have been extensively studied, however, such information in the metamorphosed sedimentary Fe deposits remains poorly understood. Here, we report detailed trace elements, oxygen isotopes, and U-Pb chronology of apatite from the Tianhu metamorphosed sedimentary Fe deposit in the eastern Tianshan, NW China. To our knowledge, this is the first report on the in situ oxygen isotopes of apatite from the metamorphosed sedimentary Fe deposits. Cathodoluminescence imaging of the apatite grains from the Tianhu massive Fe ores show a homogeneous texture, suggesting that they were formed by a single event rather than multiple superimposed events. These apatite grains contain abundant fluid inclusions, and show relatively high delta 18O values of 7.9 %o-14.0 %o and low Th and U contents, which are consistent with their metamorphic hydrothermal origin. Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) dating of the studied apatite grains yielded a U-Pb age of 348.5 +/- 18.5 Ma, indicating that the metamorphic enrichment of the Tianhu metamorphosed sedimentary Fe deposit occurred considerably later than the Ordovician ore-hosting rocks. Combined with previous studies, we suggest that the metamorphic massive ores of the Tianhu metamorphosed sedimentary Fe deposit formed in an orogenic setting. Our study highlights that a combination of trace elements, oxygen isotopes, and U-Pb chronology of apatite can be used as powerful tools to constrain the genesis of metamorphosed sedimentary Fe deposits.
Keyword ：
Apatite Apatite Eastern Tianshan Eastern Tianshan Metamorphosed sedimentary Fe deposits Metamorphosed sedimentary Fe deposits Oxygen isotopes and trace elements Oxygen isotopes and trace elements Tianhu deposit Tianhu deposit U -Pb chronology U -Pb chronology
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| GB/T 7714 | Feng, Wanyi , Zheng, Jiahao . The ca. 349 Ma metamorphic enrichment of the Tianhu metamorphosed sedimentary Fe deposit in the eastern Tianshan: Evidence from apatite trace elements, oxygen isotopes, and U-Pb chronology [J]. | ORE GEOLOGY REVIEWS , 2023 , 162 . |
| MLA | Feng, Wanyi et al. "The ca. 349 Ma metamorphic enrichment of the Tianhu metamorphosed sedimentary Fe deposit in the eastern Tianshan: Evidence from apatite trace elements, oxygen isotopes, and U-Pb chronology" . | ORE GEOLOGY REVIEWS 162 (2023) . |
| APA | Feng, Wanyi , Zheng, Jiahao . The ca. 349 Ma metamorphic enrichment of the Tianhu metamorphosed sedimentary Fe deposit in the eastern Tianshan: Evidence from apatite trace elements, oxygen isotopes, and U-Pb chronology . | ORE GEOLOGY REVIEWS , 2023 , 162 . |
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Magmatic Fe-Ti oxide deposits are one of the most important iron deposit in eastern Tianshan, NW China, and their ore-forming mechanism remains obscure. Here, we use trace elements and O-Sr isotopes of apatite from two representative magmatic Fe-Ti oxide deposits (Niumaoquan and Weiya) in the eastern Tianshan to constrain the genesis of ore formation. The apatites from the Niumaoquan Fe-Ti oxide ores exhibit higher Eu/Eu* values, lower Mn contents, and larger REE variations than those from the Weiya Fe-Ti oxide ores, indicating a protracted evolution process of the Niumaoquan ore-forming magmas under a relatively reduced condition. Specifically, the apatites from the Niumaoquan Fe-Ti oxide ores can be divided into two groups: Group 1 with relatively low REE contents, low 87Sr/86Sr ratios (0.70574-0.70641) and high 818O values (5.1-5.6%o), and Group 2 with relatively high REE contents, high 87Sr/86Sr ratios (0.70703-0.70792) and low 818O values (2.8-3.3%o). The Group 1 apatites formed by early crystallization in the mantle, while the Group 2 apatites formed by assimilation of low 818O-high 87Sr/86Sr altered rocks during magmas emplacement en route to the continental crust. Unlike the Niumaoquan apatites, the apatites from the Weiya Fe-Ti oxide ores have relatively homogeneous, high 818O values (8.3%o-9.1%o) and 87Sr/86Sr ratios (0.70798-0.70848), indicating involvement of continental crustal materials in their mantle sources. Combined with previous studies, we suggest that the Niumaoquan and the Weiya Fe-Ti oxide deposits formed in a non-plume tectonic setting but they originated from different magmatic sources. Our study highlights that trace elements and O-Sr isotopes of apatite can be used as powerful tools to constrain the source characteristics and ore-forming processes of magmatic Fe-Ti oxide deposits.
Keyword ：
Apatite Apatite Eastern Tianshan Eastern Tianshan Magmatic Fe -Ti oxide deposit Magmatic Fe -Ti oxide deposit Magmatic sources Magmatic sources O -Sr isotopes O -Sr isotopes Trace elements Trace elements
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| GB/T 7714 | Feng, Wanyi , Zheng, Jiahao . Apatite trace elements and O-Sr isotopes reveal different magmatic sources of Fe-Ti oxide deposits in the eastern Tianshan, NW China [J]. | ORE GEOLOGY REVIEWS , 2023 , 163 . |
| MLA | Feng, Wanyi et al. "Apatite trace elements and O-Sr isotopes reveal different magmatic sources of Fe-Ti oxide deposits in the eastern Tianshan, NW China" . | ORE GEOLOGY REVIEWS 163 (2023) . |
| APA | Feng, Wanyi , Zheng, Jiahao . Apatite trace elements and O-Sr isotopes reveal different magmatic sources of Fe-Ti oxide deposits in the eastern Tianshan, NW China . | ORE GEOLOGY REVIEWS , 2023 , 163 . |
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The textures and compositions of hydrothermal apatite grains have been reported in many iron oxide-apatite (IOA), porphyry, and rare-earth elements (REE) polymetallic deposits. However, such information for apatite in hydrothermal gold deposit is not available. In this study, we present integrated textural, elemental, and in situ oxygen isotopic data of hydrothermal apatite grains from the Hatu gold deposit (56t Au, average grade: 5 g/t) in the West Junggar, Northwest China, to investigate the detailed mineralization processes and nature of ore-forming fluids. Hydrothermal apatite is present within the quartz-sulfide ores at the Hatu gold deposit. Apatite grains of the Hatu gold ores contain abundant fluid inclusions and fine sulfide crystals, indicating that they are closely related to gold mineralization. Three types of hydrothermal fluorapatite (Ap1, Ap2, and Ap3) were revealed by Cathodoluminescence (CL) imaging. The Ap1 and Ap2 formed in the auriferous ore-forming stage, whereas the Ap3 formed in the post-ore stage. The three types of apatite have distinct total REE concentrations (216-751 ppm for Ap1, 14-120 ppm for Ap2, and 914-1422 ppm for Ap3) as well as chondrite-normalized REE distribution patterns. The textures and compositions of different apatites are inconsistent with dissolution-re-precipitation processes but instead point to three episodes of apatite formation in the Hatu hydrothermal system. The Ap3 has different REE and lower Eu/Eu* values (0.97-1.72) than Ap1 (1.34-4.50) and Ap2 (1.69-4.95), indicating a change of fluid compositions and a decrease of oxygen fugacity from the auriferous ore-forming stage to post-ore stage. All three types of apatite (Ap1, Ap2, and Ap3) show relatively high and consistent oxygen isotope compositions ranging from 14.2 +/- 0.3 parts per thousand to 15.2 +/- 0.2 parts per thousand, from 14.5 +/- 0.2 parts per thousand to 15.0 +/- 0.3 parts per thousand, and from 13.8 +/- 0.3 parts per thousand to 15.4 +/- 0.2 parts per thousand, respectively. Their calculated delta O-18(fluid) values are higher than magmatic-hydrothermal fluids but consistent with those from metamorphic fluids derived from meta-basalts. The near-zero delta S-34 values of hydrothermal pyrite grains in the gold ores are much higher than those of pyrite framboid grains in the ore-hosted sedimentary rocks (- 41.1 to - 24.3 parts per thousand), suggesting the sulfur may be derived from meta-basalts rather than sedimentary rocks in the mining area. Taken together, we suggest that Hatu is an orogenic gold deposit formed by fluids and metals derived from metamorphic de-volatilization of meta-basalts at depth. Our study highlights that a combination of CL imaging, in situ trace elements, and oxygen isotope compositions of hydrothermal apatite can be a novel and powerful tool to trace the nature of ore-forming fluids in the hydrothermal gold deposits.
Keyword ：
Gold deposits Gold deposits Hydrothermal apatites Hydrothermal apatites In situ oxygen isotopes In situ oxygen isotopes Ore-forming processes Ore-forming processes Trace elements Trace elements
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| GB/T 7714 | Zheng, Jiahao , Shen, Ping , Feng, Wanyi . Hydrothermal apatite record of ore-forming processes in the Hatu orogenic gold deposit, West Junggar, Northwest China [J]. | CONTRIBUTIONS TO MINERALOGY AND PETROLOGY , 2022 , 177 (2) . |
| MLA | Zheng, Jiahao et al. "Hydrothermal apatite record of ore-forming processes in the Hatu orogenic gold deposit, West Junggar, Northwest China" . | CONTRIBUTIONS TO MINERALOGY AND PETROLOGY 177 . 2 (2022) . |
| APA | Zheng, Jiahao , Shen, Ping , Feng, Wanyi . Hydrothermal apatite record of ore-forming processes in the Hatu orogenic gold deposit, West Junggar, Northwest China . | CONTRIBUTIONS TO MINERALOGY AND PETROLOGY , 2022 , 177 (2) . |
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<正>Rutile grains often occur in different types of gold deposits, and their U-Pb ages have been widely used to determine the formation time of gold mineralization. However, the origin of rutile grains in the gold deposits remains controversial. In this paper, laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) analyses of U-Pb ages and trace elements on rutile grains were applied to investigate the metamorphic and hydrothermal processes of the Baiyun gold deposit (70 t Au, average grade: 3g/t) in the Liaodong Peninsula, northeastern part of North China craton (NCC).
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A Triassic orogenic gold mineralization event in the Paleoproterozoic metamorphic rocks A Triassic orogenic gold mineralization event in the Paleoproterozoic metamorphic rocks Evidence from two types of rutile in the Baiyun gold deposit Evidence from two types of rutile in the Baiyun gold deposit
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| GB/T 7714 | 郑佳浩 , 陈斌 , 刘帅杰 et al. A Triassic orogenic gold mineralization event in the Paleoproterozoic metamorphic rocks: Evidence from two types of rutile in the Baiyun gold deposit [C] //2022年中国地球科学联合学术年会论文集——专题九十九：矽卡岩矿床成矿作用、专题一百：金成矿成矿机制研究 . 2022 . |
| MLA | 郑佳浩 et al. "A Triassic orogenic gold mineralization event in the Paleoproterozoic metamorphic rocks: Evidence from two types of rutile in the Baiyun gold deposit" 2022年中国地球科学联合学术年会论文集——专题九十九：矽卡岩矿床成矿作用、专题一百：金成矿成矿机制研究 . (2022) . |
| APA | 郑佳浩 , 陈斌 , 刘帅杰 , 包创 . A Triassic orogenic gold mineralization event in the Paleoproterozoic metamorphic rocks: Evidence from two types of rutile in the Baiyun gold deposit 2022年中国地球科学联合学术年会论文集——专题九十九：矽卡岩矿床成矿作用、专题一百：金成矿成矿机制研究 . (2022) . |
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