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New Paleomagnetic results from the Beiya porphyry-skarn …
Dali Basin is close to the Beiya deposit, and experienced 4.4 ± 2.5 of clockwise rotation since 7.6 Ma (Li et al., 2013). Therefore, the anticlockwise rotation of the Beiya deposit may have occurred at some time between ~35 Ma and 7.6 Ma.
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Meer informatieIron isotope constraints on the genesis of giant Beiya Au-base …
The Beiya Au-base metal deposit in southwest China is characterised by a huge amount of iron associated with gold mineralization. The formation of the Beiya deposit is generally …
Meer informatieHydrothermal evolution and ore genesis of the Beiya giant Au ...
The Beiya Au deposit is the largest Cenozoic Au deposit in the Jinshajiang-Ailaoshan porphyry metallogenic belt. Numerous studies document that high water content and fO2 …
Meer informatieNature and evolution of fluid inclusions in the Cenozoic Beiya gold ...
The Beiya Au deposit in the Sanjiang metallogenic belt, SW China, is a porphyry-skarn deposit that formed in an intracontinental setting. Three stages of hydrothermal veins, namely quartz veins (Stage 1), quartz-pyrite veins (Stage 2), and Au-rich sulfide-quartz veins (Stage 3) were identified on the basis of field relationship and petrography under …
Meer informatieBeiya Yang | IEEE Xplore Author Details
Beiya Yang (Graduate Student Member, IEEE) received the B.Eng. degree in electronic information engineering from Northwestern Polytechnical University, Xi''an, China, in 2013, and the M.Sc. degree in information and communication engineering from the National University of Defense Technology, Changsha, China, in 2015.
Meer informatieNew Paleomagnetic results from the Beiya porphyry-skarn gold ...
1. Introduction. The collision of India and Asia produced a series of strike–slip faults within East Asia (e.g. Tapponnier et al., 1982; Bendick et al., 2000; Yin and Harrison, 2000).The large displacements along these faults, accompanied by the lateral extrusion and tectonic rotation of coherent crustal blocks, have made a large contribution to the ~2500 km of …
Meer informatieNature and evolution of fluid inclusions in the Cenozoic Beiya …
references therein). In the Beiya deposit, ID1 and ID2 inclusions represent the initial stage fluids, with high metal concentrations of 2000–10,000 ppm Fe, 2000–4000 ppm Cu, 200–600 ppm Zn, 200–500 ppm Pb, tens of ppm Mo, several ppm Ag, and 0.9–5. ...
Meer informatieGeological map (a) and cross-section (b) of the Beiya
Beiya Au-polymetallic deposit (~90 km north of Dali) is the largest gold skarn deposit in China. The deposit is located in the middle part of the Jinshajiang-Ailaoshan alkaline porphyry ...
Meer informatieTrace element geochemistry of magnetite from the giant Beiya gold-polymetallic deposit in Yunnan Province…
1. Introduction The giant Beiya gold–polymetallic deposit lies in the middle of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt and is the largest skarn gold deposit in China with estimated reserves of 130.8 million tonnes (Mt) of Au (average grade: 2.47 g/t), 170 Mt of Fe (average grade: 33.3 wt%), 125 Mt of Cu (average grade: 0.52 …
Meer informatieMineralogy and mineral chemistry of Bi-minerals: Constraints on ore genesis of the Beiya …
The Beiya deposit is situated to the north of Dali in western Yunnan, China. Geologically, Beiya is located in the southern Sanjiang Tethys tectonic domain and to the east of the Jinshajiang suture (Fig. 1).Sanjiang Tethys is named after the three major rivers (Chi: Jiang) in the region, i.e., Jinshajiang, Lancangjiang, and Nujiang.
Meer informatieMetallogenic setting and ore genetic model for the Beiya porphyry …
The Beiya orefield is located in the NEN-trending Ma''anshan anticlinorium, comprising several N- and NEN-trending anticlines and synclines, such as the Ma''anshan and Matouwan anticlines, and the Beiya and Songgui synclines (Fig. 2).The orebodies in the district are controlled by a series of faults that are parallel to the fold axes, but commonly …
Meer informatieMinerals | Free Full-Text | U-Pb Geochronology and Geochemistry of …
The giant Beiya Au skarn deposit (over 300 tonnes Au metal reserve) is located in the middle part of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt. The deposit is the largest Au skarn deposit and third largest Au deposit in China. In this paper, we present garnet U-Pb ages and trace element geochemical data from two types of skarn-related U …
Meer informatieGarnet geochemistry of the giant Beiya gold ...
Fu et al. (2018) presented LA-ICP-MS U-Pb ages on U-rich garnets from drillhole 84ZK14 of the Wandongshan porphyry. The data show lower intercept U-Pb ages at 35.8 ± 0.8 Ma and 34.0 ± 2.1 Ma.
Meer informatieGeochronology of the giant Beiya gold-polymetallic
The Beiya skarn gold-polymetallic deposit is located in the middle of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt in the Sanjiang region, and is the largest gold deposit in the ...
Meer informatieGeochemistry and geochronology of Beiya giant Au polymetallic …
The Beiya Au deposit, covering an area of ∼800 km 2, is the largest in the Jinshajiang-Ailaoshan metallogenic belt and the largest Au-bearing skarn deposit in China (Deng et al., 2014; He et al., 2015, He et al., 2016, Chang et al., 2019, Bao et al., 2022
Meer informatieGeochronology of the giant Beiya gold-polymetallic deposit in …
The Beiya gold-polymetallic deposit is located east of the Jinshajiang suture, which bounds the western part of the Yangtze Plate, approximately 90 km north of Dali City in western Yunnan Province, southwestern China (Fig. 1) lies in the middle of the Jinshajiang–Ailaoshan alkaline porphyry metallogenic belt and has estimated reserves of …
Meer informatieGarnet geochemistry of the giant Beiya gold ...
The Beiya deposit in the central Jinshajiang–Ailaoshan metallogenic belt of SW China is the country''s largest gold skarn and third largest gold deposit. In this study of the Beiya …
Meer informatieJiyuan -
Jiyuan city is located in the northwest of Henan Province. To its north are Taihang and Wangwu mountains, which were removed by the Foolish Old Man of legend. Jiyuan covers a total area of 1,931 ...
Meer informatieGeological Characteristics and Ore‐controlling Factors of the …
Based on comprehensive petrological, geochronological, and geochemical studies, this study analyzed the relationships between the Beiya gold‐polymetallic skarn deposit and …
Meer informatieThe Influence of the Ailaoshan‐Red River Shear Zone on …
The Beiya gold polymetallic deposit is believed to be a typical porphyry-skarn deposit formed closely related to the Ailaoshan-Red River shear zone in an extensional tectonic …
Meer informatieMinerals | Free Full-Text | U-Pb Geochronology and …
The giant Beiya Au skarn deposit (over 300 tonnes Au metal reserve) is located in the middle part of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt. The deposit is the largest Au skarn deposit and third …
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Meer informatieTrace element geochemistry of magnetite from the giant Beiya …
Introduction. The giant Beiya gold–polymetallic deposit lies in the middle of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt and is the largest skarn gold deposit in China with estimated reserves of 130.8 million tonnes (Mt) of Au (average grade: 2.47 g/t), 170 Mt of Fe (average grade: 33.3 wt%), 125 Mt of Cu (average grade: 0.52 wt%), along with …
Meer informatiePetrogenesis and metallogenesis of the Beiya gold
Beiya gold-polymetallic ore district found in northeastern Yunnan province in the last few years,located in the middle- southern section of the eastern Xizang-Jinsha River - Ailao Mountain alkali-rich porphyry metallogenetic belt,is one of the typical gold-polymetallic metallogenesis system related to alkali-rich intrusion during the Himalayan epoch.Based …
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