The Ore‐forming Fluid Study of Suyunhe Porphyry Mo Deposit, West Junggar, Xinjiang

Zhong, Shihua; Shen, Ping; Pan, Hongdi; Zheng, Guoping; Yan, Yuhong; Li, Jing

doi:10.1111/1755-6724.12374_79

Cited by 7 publications

(6 citation statements)

References 2 publications

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“…The (W-/Be-) Mo-type deposits were formed in the Triassic period resulting from postcollisional orogeny and mainly distributed in Altay [74,75] and eastern Tianshan [14,25,76,77]. The (W-/Be-) Mo-type deposits distributed in West Junggar formed in the transition condition [78][79][80]. In addition, the Cu-Mo-type deposits formed before the Carboniferous were widely distributed in the northern region of Xinjiang [78][79][80][81][82].…”

Section: Discussionmentioning

confidence: 99%

“…The (W-/Be-) Mo-type deposits distributed in West Junggar formed in the transition condition [78][79][80]. In addition, the Cu-Mo-type deposits formed before the Carboniferous were widely distributed in the northern region of Xinjiang [78][79][80][81][82]. All of them, including Suoerkuduke, Xilekuduke, Yulekenhalasu, and Mengxi in East Junggar [78,79,[82][83][84][85]; Baogutu in West Junggar [86]; Dabate, Lailisigaoer, and Kendenggaoer in West Tianshan [87][88][89][90][91]; and Tuwu-Yandong, Yuhai, and Sanchakou in East Tianshan [17,[64][65][66], were related to subduction-related accretion orogeny.…”

Section: Discussionmentioning

confidence: 99%

“…In addition, the Cu-Mo-type deposits formed before the Carboniferous were widely distributed in the northern region of Xinjiang [78][79][80][81][82]. All of them, including Suoerkuduke, Xilekuduke, Yulekenhalasu, and Mengxi in East Junggar [78,79,[82][83][84][85]; Baogutu in West Junggar [86]; Dabate, Lailisigaoer, and Kendenggaoer in West Tianshan [87][88][89][90][91]; and Tuwu-Yandong, Yuhai, and Sanchakou in East Tianshan [17,[64][65][66], were related to subduction-related accretion orogeny. Notably, Mo mineralization in the eastern Tianshan was concentrated in the Triassic and before the Early Carboniferous, with the (W-/Be-) Mo type related to collisional orogeny and the Cu-Mo type related to subduction-related accretion orogeny (Figure 14).…”

Section: Discussionmentioning

confidence: 99%

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The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses

Liang

Fan

et al. 2021

Geofluids

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The eastern Tianshan metallogenic belt is an important molybdenum resource base in Xinjiang and is characterized by large-scale porphyry Mo deposits formed during the Triassic. The Tieling Cu-Mo porphyry deposit, which is situated in the western part of the eastern Tianshan metallogenic belt, was recently recognized as being related to Carboniferous granite porphyry. Three stages of hydrothermal mineralization were identified, including quartz+K-feldspar+pyrite±molybdenite±magnetite (stage I), quartz+molybdenite+pyrite+chalcopyrite (stage II), and quartz+pyrite±molybdenite±epidote (stage III). Fluid inclusion petrography and microthermometry analyses indicate the presence of gas-liquid inclusions with a H2O-NaCl composition. The ore-forming fluids have a characteristic temperature ranging from 157 to 262°C under stage II and 135 to 173°C under stage III, which correspond to salinities of 7.2-17.2 wt% NaCl equiv. and 5.9 to 9.6 wt% NaCl equiv., respectively. The hydrogen and oxygen isotope data indicate that the ore-forming fluids of the Tieling deposit were originally derived from magmatic hydrothermal fluids and then mixed with meteoric water. The sulfur isotope compositions indicate that the ore-forming materials were mainly derived from the Late Carboniferous felsic magma. Furthermore, zircon U-Pb analysis of ore-bearing granite porphyry yields a concordant age of 298.4 ± 0.7 Ma , indicating that the Tieling Cu-Mo deposit formed during the Late Carboniferous and differed from that processed under pre-Early Carboniferous and Triassic mineralization in the eastern Tianshan metallogenic belt. These results also indicate that the Tieling porphyry deposit was formed in the transition condition between subduction-related accretion and postcollisional orogeny, and it should be given more attention in prospect evaluations.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses

Liang

Fan

et al. 2021

Geofluids

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“…304-263 Ma) (Xiao et al, 2008). Meanwhile, the NE-striking Darbut strike-slip fault zone controlled the distribution of the granitoid intrusions, secondary structures (including the Hatu and Anqi faults) and ore deposits (Figure 1b) (Xu et al, 2019), with the major ore deposits including the Hatu Au deposit (An & Zhu, 2007), Baogutu Cu deposit (Shen et al, 2009), and Hongyuan and Suyunhe porphyry Cu-Mo deposits (Yan et al, 2015;Zhong et al, 2015).…”

Section: Geological Settingmentioning

confidence: 99%

ASTER VNIR‐SWIR Based Lithological Mapping of Granitoids in the Western Junggar Orogen (NW Xinjiang): Improved Inputs to Random Forest Method

Zhou,

Zheng,

et al. 2023

Earth and Space Science

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Although advanced spaceborne thermal emission and reflection radiometer multispectral analysis for lithological mapping has been widely applied, traditional methods such as band ratios (BR) and principal component analysis (PCA) are still hampered by cumbersome data processing and poor classification performance. In this study, we utilize improved data inputs for random forest (RF) to extract lithological information of granitoids, which are the predominant rock type for intrusion‐related polymetallic ore deposits in the western Junggar Orogen (NW Xinjiang). Based on spectral absorption features of minerals (e.g., orthoclase, K‐feldspar, hornblende, biotite, plagioclase, and oligoclase), image statistical information and textural features, we tested different combinations of bands, BR, PCA, and texture using RF method, and found that the combination of B13678 + T1 (Mean texture) achieved the highest weighted‐F1 score for granitoids, with an accuracy of 87.32%. Compared to the support vector machine, RF effectively distinguishes lithological differences between different types of granitoid and wallrocks, especially the granite, granodiorite, and alkali granite in the Akebasito intrusion, as well as the alkali granite, plagiogranite and biotite granite in the Karamay intrusions. Moreover, the large number of rare metal deposits (including Cu, Au, Mo, etc.) distributed near the granitoid intrusions in the western Junggar, our result facilitates the analysis of regional tectonic evolution and mineralization controlling.

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“…Outside the Baogutu region, the Suyunhe porphyry Mo deposit was molybdenite Re–Os dated to be Early Permian (ca. 295–294 Ma; Zhong et al, ). Fluid inclusions in the Au‐bearing quartz veins from the Hatu QI gold deposits were Rb‐Sr dated to be 290.0 ± 6.5 Ma (Li & Chen, ).…”

Section: Magmatism and Cu–au–mo Metallogenic Epochmentioning

confidence: 99%

Magmatism and Cu–Au–Mo mineralization of the Darbut tectono‐magmatic zone in West Junggar (Xinjiang), NW China: An updated review

Duan

Zhi

et al. 2018

Geological Journal

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The Darbut tectono‐magmatic zone in the West Junggar terrane (NW China) is an important component of the famous Circum‐Balkhash‐West Junggar metallogenic province. In this region, the discovery of some small but high‐quality Cu–Au deposits/prospects indicate substantial exploration potential for large porphyry Cu–Au deposits, for example, those in the neighbouring Kazakhstan. In this contribution, we concluded that the Dulunhe granite and small ore‐bearing granitoids in Baogutu are adakitic petrogenesis, and the Buerkesitai and Tasikuola granites (formed by magma mixing) are well comparable with the Xiaerpu granite. In summary, granitoids with similar petrogenesis and mineralization are distributed on both sides of the Darbut fault zone and show good correlations with the sinistral movement of the latter. We propose that the porphyry Cu–Mo–Au mineralization potential of the small calc‐alkaline I‐type granitic stocks in southern West Junggar region is significantly higher than that of alkaline A‐type large granitic batholiths. Besides, the magma mixing‐derived and adakitic granites have great prospecting potentialities. We argue that the Cu–Mo–Au mineralization in the Darbut tectono‐magmatic zone was originally E‐W trending, and then displaced by the Darbut sinistral strike‐slip faulting, instead of being controlled by NE‐NNE trending faults. The main regional mineralization pattern comprises a northern magmatic‐hydrothermal Au belt (~318 Ma), a middle porphyry Mo belt (~296 Ma), and a southern adakite and magma mixing granite‐related Cu–Au belt (~313 Ma). We infer that the Bieluagaxi Au belt may continue eastward to east of Sartohay.

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The Ore‐forming Fluid Study of Suyunhe Porphyry Mo Deposit, West Junggar, Xinjiang

Cited by 7 publications

References 2 publications

The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses

The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses

ASTER VNIR‐SWIR Based Lithological Mapping of Granitoids in the Western Junggar Orogen (NW Xinjiang): Improved Inputs to Random Forest Method

Magmatism and Cu–Au–Mo mineralization of the Darbut tectono‐magmatic zone in West Junggar (Xinjiang), NW China: An updated review

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