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Minerals, Volume 15, Issue 12

December 2025 - 104 articles

Cover Story: This study developed a two-stage process for the physical separation of components from waste printed circuit boards, using gravity to recover copper. The boards were ground and placed on a shaking table for separation of coarse particles (>300 µm) and a multi-gravity separator (MGS) for separation of fine particles (<300 µm). Comprehensive characterization was performed using X-ray fluorescence analysis, inductively coupled plasma optical emission spectroscopy, scanning electron microscopy, and mineral release analysis. A total of 93.81% of the copper was recovered in clean concentrates, which represents 44.32% of the total mass, while only 2.74% of the copper was lost in the tailings. View this paper
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Articles (104)

  • Article
  • Open Access
298 Views
15 Pages

18 December 2025

The Jiulongnao W–Sn ore field in the eastern Nanling Range is characterized by large-scale early Yanshanian magmatic activity and W–Sn mineralization. In recent years, increasing attention has been given to the close relationship between...

  • Article
  • Open Access
197 Views
15 Pages

Improving Marine Mineral Delineation with Planar Self-Potential Data and Bayesian Inversion

  • Lijuan Zhang,
  • Shengfeng Feng,
  • Shengcai Xu,
  • Dingyu Huang,
  • Hewang Li,
  • Ying Su and
  • Jing Xie

18 December 2025

The exploration of marine minerals, essential for sustainable development, requires advanced techniques for accurate resource delineation. The self-potential (SP) method, sensitive to mineral polarization, has been increasingly deployed using autonom...

  • Article
  • Open Access
291 Views
35 Pages

18 December 2025

Pt-Fe alloys with abundant inclusions are from the Camumbi River placer deposit, Ecuador. They are derived from unknown Alaskan–Uralian-type intrusion(s) within the Late Cretaceous Naranjal accreted terrane. Compositions of our previously docum...

  • Article
  • Open Access
225 Views
33 Pages

Revisiting Albarracín Rock Art Through Multivariate pXRF Analysis of White, Black, and Red Pigments

  • Pablo Martín-Ramos,
  • José Antonio Cuchí-Oterino and
  • Manuel Bea-Martínez

18 December 2025

Rock art in the Albarracín Cultural Park represents one of Spain’s most significant concentrations of post-Paleolithic paintings, yet comprehensive chemical characterization across multiple shelters remained lacking. This study analyzes...

  • Review
  • Open Access
362 Views
21 Pages

The Role of OM in the Formation of Sandstone-Type Uranium Ore—A Review

  • Zhiyang Nie,
  • Shefeng Gu,
  • Aihong Zhou,
  • Changqi Guo,
  • Hu Peng,
  • Hongyu Wang,
  • Lei Li,
  • Qilin Wang,
  • Yan Hao and
  • Haozhan Liu
  • + 1 author

18 December 2025

Sandstone-hosted uranium deposits represent one of the most critical global uranium resources suitable for in situ recovery, with their formation closely associated with organic matter (OM). We conducted a systematic literature review to synthesize o...

  • Article
  • Open Access
231 Views
17 Pages

18 December 2025

The Southwestern Fujian Region is one of the important Fe polymetallic metallogenic belts in China. The Makeng-Yangshan Fe skarn sub-belt within it contains several deposits that share a similar geological setting, mineralization age, and genetic typ...

  • Article
  • Open Access
291 Views
23 Pages

Pore Structure and the Multifractal Characteristics of Shale Before and After Extraction: A Case Study of the Triassic Yanchang Formation in the Ordos Basin

  • Zhengwei Xu,
  • Honggang Xin,
  • Zhitao Wang,
  • Shengbin Feng,
  • Wenzhong Ma,
  • Liwen Zhu,
  • Huifei Tao,
  • Lewei Hao and
  • Xiaofeng Ma

18 December 2025

The shale oil reservoirs of Member 7 of the Triassic Yanchang Formation in the Longdong Area of the Ordos Basin have attracted widespread attention due to their unique geological characteristics and enormous development potential. As the core factor...

  • Article
  • Open Access
328 Views
19 Pages

17 December 2025

Mid-Neoproterozoic magmatism provides important constraints for revealing the break-up history of the Rodinia supercontinent. Large-sized mid-Neoproterozoic magmatic rocks are distributed within the Dabie Orogen located on the northern Yangtze Block....

  • Article
  • Open Access
327 Views
24 Pages

Nb-Kaolinite and Nb-TiO2-Kaolinite for Emerging Organic Pollutant Removal

  • Larissa F. Bonfim,
  • Lorrana V. Barbosa,
  • Yan P. Vedovato,
  • Suelen D. de Souza,
  • Hugo F. M. dos Santos,
  • Vinicius F. Lima,
  • Marcus V. do Prado,
  • Eduardo J. Nassar,
  • Katia J. Ciuffi and
  • Lucas A. Rocha
  • + 2 authors

17 December 2025

This study presents the synthesis and characterization of novel kaolinite niobium and kaolinite titanium niobium nanocomposites and their application as heterogeneous photocatalysts. Utilizing a hydrolytic sol–gel route, we combined kaolinite w...

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Minerals - ISSN 2075-163X