The Pulang giant porphyry Cu-Mo polymetallic deposit is located in the Zhongdian area in the center of the Sanjiang Tethys tectonic domain, which was formed by the westward subduction of the Garze-Litang oceanic slab beneath the Zhongza massif. Chalcopyrite-pyrrhotite-pyrite-molybdenite occurs as disseminations, veins, veinlets, and …
The Berezitovoe gold-polymetallic deposit is localized in the west of the Selenga–Stanovoi superterrane composed of a wide spectrum of Early and ... platinum potential of gold-polymetallic ores and metasomatites permits ranking the Berezitovoe deposit as a specific complex gold-polymetallic-platinum deposit, which considerably …
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 ...
Further mineral exploration in the Tibet Plateau should be focused on the continental volcanic rocks related to porphyry-epithermal deposits, orogenic gold deposits, hydrothermal Pb-Zn deposits related to nappe structures, skarn Cu (Au) and polymetallic deposits, and the Miocene W-Sn polymetallic deposits. ©2021 China …
"The Mabounié deposits' ore mineralogy is complex but well understood," says Nze-Bekale, adding that the niobium is contained mainly in complex to process pyrochlore and ferrocolumbite rock, and rare earths hosted in pyrochlore, apatite and crandallite. ... The current mine plan for the 361 km2 Mabounié polymetallic ore …
As discussed in this paper, specific gold signatures have been identified for gold from alkalic Cu–Au porphyries, calc alkalic Cu–(Mo)–Au porphyries, gold associated with redox-controlled U deposits and gold associated …
The Beiya gold-polymetallic deposit is China's largest skarn-type Au deposit with Au reserves of >380 t. Although several studies have addressed the skarn formation mechanism and nature of fluid evolution, a systematic study on the changes in the composition and texture of garnet from wall rocks to ore-related intrusion has not yet …
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 …
The NICO and Sue-Dianne deposits are being explored and delineated by Fortune Minerals Limited in the Mazenod Lake District of the Northwest Territories, using an Olympic Dam model. The deposits were discovered in the south part of the Great Bear magmatic zone (GBMZ) within the Proterozoic, Bear Structural Province of the Canadian …
Orogenic gold deposits are comprised of complex quartz vein arrays that form as a result of fluid flow along transcrustal fault zones in active orogenic belts.
These gold-bearing, polymetallic veins are predominantly east–west-trending, steeply dipping, discordant calcite-quartz vein systems that formed close to the time of crystallization (within ~15 m.y., based on Pb-Pb ages) of the Nipissing diabase. The ore mineralogy is complex in character, typically comprising sulfides, arsenides, native ...
Xiaoshan gold–polymetallic concentrated area is located in Henan Province, central China. The area is principally underlain by typical metamorphic core complexes …
The Prominent Hill deposit is a large iron oxide copper-gold (IOCG) resource located in the Olympic IOCG province of South Australia. The deposit is hosted by brecciated sedimentary rocks and structurally underlying lavas of the ca. 1.6 Ga Gawler Range Volcanics. Both rock units are altered and mineralized, forming characteristic …
Mutnovskoe is classified as a complex gold–silver–polymetallic deposit with a total area of 10 km 2.It is located 60 km southwest of the regional center Petropavlovsk-Kamchatsky, between the Rodnikovo epithermal gold–silver and Severo-Mutnovskoe steam–hydrothermal deposits, in the upper reaches of the Mutnovskaya …
The NICO and Sue-Dianne Proterozoic, Iron Oxide-hosted, Polymetallic Deposits, Northwest Territories: Application of the Olympic Dam Model in Exploration ROBIN E. GOAD; ... The Sue-Dianne deposit is a hematite-magnetite-Fe-silicate-cemented diatreme complex enriched in copper, silver, gold, and uranium within a broad zone of …
Introduction. The West Qinling orogen, with a total of > 1200 tons gold reserves and > 50 gold deposits, underwent a complex tectonic evolution and has been recognized as the second largest gold province in China (Fig. 1; Chen and Santosh, 2014, Jin et al., 2017, Nie et al., 2017, Qiu et al., 2020).
The relationship between the intrusive complex and the orebody was related to faulting; we infer that the Bianjiadayuan Pb–Zn polymetallic deposit is mainly related to Late Jurassic–Early Cretaceous (144–129 Ma) magmatic activity, and it represents large-scale mineralisation in the context of Paleo-Pacific plate subduction and regional ...
The Kanggur gold polymetallic deposit, located in the western segment of the Kanggur–Huangshan Shear Zone (KHSZ) of the Chinese North Tianshan, is the …
Using gold-polymetallic deposits in the Edongnan region of China as a case study, stream sediment samples containing concentrations of 39 elements were collected and preprocessed using a centered log-ratio transformation, addressing the closure effect of compositional data. ... Complex interactions between geological …
In terms of their age, geology, mineralogy, paragenesis, and morphology, the gold-bearing vein systems at Merico-Ethel closely resemble the silver-sulfarsenide vein …
Timing of skarn gold deposition in the giant Beiya polymetallic gold deposit, southwest China: Constraints from in situ monazite SIMS U-Th-Pb geochronology. Author links open overlay ... especially for complex polymetallic mineral systems. The Beiya deposit in southwest China is a world-class polymetallic gold system (11.9 Moz …
Several small- to medium-sized gold–polymetallic ore deposits, along with numerous clustered occurrences, have been found in the area in recent years. However, despite the fact that the Xiaoshan District has traditionally been deemed as an excellent geological endowment area with enormous potential for large-sized deposits, no …
Scheelite is an indicator mineral that commonly occurs in lode gold deposits worldwide used to recognize deposit types and understand hydrothermal evolution and …
The Bilihe gold deposit is located in the collision belt between the southern margin of Central Asia Orogenic Belt (CAOB) and the northern margin of North China craton (NCC) (Fig. 1).The CAOB, as the world's largest site of juvenile crust growth in the Phanerozoic, formed by subduction–accretion processes within the paleo-Asian Ocean …
The Kanggur–Matoutan mining distinct is the most fertile gold district in the Chinese North Tianshan. It is located in the western segment of the KHSZ (Fig. 1 B) and includes the Kanggur gold polymetallic deposit in the west, the Matoutan gold deposit in the east, and the Kangdong copper occurrence in the center (Fig. 2 A).
They are classified either as simple Sb-deposits, where the primary ore is a stibnite mineral, or complex polymetallic deposits with varying contents that include antimony minerals. ... Christidis, C. Orogenic mineralizations—A new exploration target for gold-polymetallic ore deposits in Greece. In Proceedings of the 6th International ...
The Sue-Dianne deposit is a hematite-magnetite-Fe-silicate-cemented diatreme complex enriched in copper, silver, gold, and uranium within a broad zone of potassium, iron, quartz, and epidote ...
The Challenger gold deposit in South Australia is hosted by pelitic migmatites that underwent peak metamorphism at ~7.5 ± 1.5 kbars and at least 800°C. Nd model ages suggest a protolith age of ~2900 Ma. Zircon U-Pb and garnet Sm-Nd dating indicates that peak metamorphism occurred at ~2440 Ma and that garnet was present …
Abstract The Ozerninsky ore cluster is a geological megastructure with unique rich and diverse mineralization. It hosts more than 20 deposits of lead, zinc, iron, copper, barite, and gold, including the Ozernoe polymetallic deposit, which has the largest Zn reserves of Russia. Our studies showed that many morphological features of ores of this …
Trans. Nonferrous Met. Soc. China 29(2019) 165âˆ'177 Numerical simulation of hydrothermal mineralization associated with simplified chemical reactions in Kaerqueka polymetallic deposit, Qinghai, China Yan-hong ZOU1,2, Yao LIU1,3, Yong PAN4, Kuan-da YANG1,2, Ta-gen DAI1,2, Xian-cheng MAO1,2, Jian-qing …
The newly discovered W orebodies in the Yangla deposit are located in the middle sections (at elevations of 3250 m, 3225 m and 3150 m) of the Linong ore zone, and are intergrown with Sb orebodies (Yang et al., 2023, Li et al., 2024).These W orebodies occur in marble of the Middle-Upper Devonian Linong Formation, and are 2–10 m in …
Iron oxide-copper-gold (IOCG) deposits are a globally important source of copper, gold and critical commodities. Despite their relevance, IOCG deposits remain an …
We propose that polymetallic melt droplets of Au-Ag-Te-Bi–rich composition form through adsorption-reduction of metal complexes on fractured quartz …