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Minerals
Special Issues
Gold–Polymetallic Deposits in Convergent Margins
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Gold–Polymetallic Deposits in Convergent Margins

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Deposits".

Deadline for manuscript submissions: 1 March 2026 | Viewed by 1153

Special Issue Editors

Dr. Haocheng Yu

E-Mail Website
Guest Editor
State Key Laboratory of Geological Processes and Mineral Resources, School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
Interests: orogenic Au-Sb deposits; geochronology; ore fluid evolution
Dr. Hao Song

E-Mail Website
Guest Editor
Applied Nuclear Technology in Geoscience Key Laboratory of Sichuan Province, Chengdu University of Technology, Chengdu 610059, China
Interests: minerals geochemistry; U-Au-polymetallic deposits; the genesis of Uranium mineralization
Dr. Mingyang Wang

E-Mail
Guest Editor
State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing 100084, China
Interests: intelligent geology exploration; graph neural network; pattern recognition; fracture network topology

Special Issue Information

Dear Colleagues,

Gold–polymetallic deposits associated with plate tectonic evolution represent significant sources of economically important metals that are essential for modern society. Their genesis is linked to magmatic and hydrothermal processes arising from diverse subduction to collision tectonic regimes generated in convergent margins. This Special Issue aims to advance the understanding of gold–polymetallic mineralization near convergent settings by focusing on the geochemical, spectrum, geochronology and tectonic controls of ore formation. Contributions include, but are not limited to, (1) the geochemistry and genesis of gold–polymetallic deposits in orogenic contexts; (2) the mineral chemistry of ore, gangue, and accessory minerals that provide insights into ore-forming processes; (3) fluid–rock interaction mechanisms and their implications for metal transport and precipitation; (4) geochronological constraints on the timing and evolution of mineralizing events; (5) the ore and host rock spectrum for exploration; and (6) the application of innovative approaches to unravel the evolution of ore systems.

Dr. Haocheng Yu
Dr. Hao Song
Dr. Mingyang Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • metal deposit
  • geochemistry
  • geochronology
  • fluid evolution
  • ore-forming process
  • fluid–rock interaction
  • metal transport and deposition
  • ore exploration

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Published Papers (1 paper)

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Research

15 pages, 7780 KB  
Article
Geochronological Constraints on the Genesis of the Changshitougounao Gold Deposit, Qinling Orogen
by Xian-Fa Xue, Sheng-Xiang Lu, Shou-Xu Wang, Da-Hu Yuan, Zheng-Wang Zeng, Jin-Hong Qiu and Jie Wang
Minerals 2025, 15(9), 903; https://doi.org/10.3390/min15090903 - 26 Aug 2025
Viewed by 679
Abstract
The Western Qinling Orogenic Belt, China’s second-largest Au-metallogenic province, hosts numerous polymetallic deposits, with gold resources particularly concentrated in the northwestern Xiahe–Hezuo area. The Changshitougounao gold deposit, located south of the Xiahe Fault, comprises disseminated ores controlled by near E–W-trending faults and is [...] Read more.
The Western Qinling Orogenic Belt, China’s second-largest Au-metallogenic province, hosts numerous polymetallic deposits, with gold resources particularly concentrated in the northwestern Xiahe–Hezuo area. The Changshitougounao gold deposit, located south of the Xiahe Fault, comprises disseminated ores controlled by near E–W-trending faults and is primarily hosted in quartz diorite and the Lower Triassic Longwuhe Formation. Zircon LA–ICP–MS U–Pb dating of fresh quartz diorite yields an age of 241.8 ± 2.6 Ma. Two generations of monazite were identified: type I magmatic monazite and type II hydrothermal monazite. Type I monazite is intergrown with feldspar, quartz, and biotite, and in situ LA–ICP–MS U–Pb analysis gives an age of 239.2 ± 2.2 Ma. Type II monazite occurs as irregular granular aggregates associated with Au-bearing sulfides and hydrothermal sericite, with an in situ U–Pb age of 230 ± 3.5 Ma. Apatite, also coeval with Au-bearing sulfides and type II monazite, yields an LA–ICP–MS U–Pb age of 230.9 ± 2.5 Ma and 230.7 ± 3.0 Ma. Zircon and type I monazite thus constrain the emplacement of the ore-bearing quartz diorite to ca. 240 Ma, whereas hydrothermal type II monazite and apatite constrain the timing of mineralization to ca. 230 Ma. The ~10 Ma interval between magmatism and mineralization indicates that goldmineralization in the Changshitougounao deposit is decoupled from Early Triassic magmatic activity. Integrating previous studies of the West Qinling geodynamic evolution, we infer that the Changshitougounao deposit formed during collisional orogenesis, in response to the closure of the Paleo-Tethys Ocean. Consequently, the Changshitougounao gold deposit is best classified as an orogenic gold system. Pyrite–arsenopyrite and sericite alteration serve as effective exploration vectors, and the contact zone between quartz diorite veins and slate represents a favorable structural setting for ore prospecting. Full article
(This article belongs to the Special Issue Gold–Polymetallic Deposits in Convergent Margins)
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