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Minerals, Volume 14, Issue 3

March 2024 - 119 articles

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Cover Story: A high-quality phase-orientation map of mylonite obtained by electron backscattered diffraction showed a wide range of quartz–plagioclase mixing (10%–80% in the quartz modal composition) and indicated a change in the deformation mechanism of quartz from dislocation creep in quartz-rich layers to grain-size-sensitive creep in the mixed-quartz-plagioclase layers, whereas that of plagioclase was predominantly grain-size-sensitive creep. Our results show that the Kashio shear zone could have developed under deformation mechanisms in which the viscosities of quartz and plagioclase are nearly comparable, effectively within 1017–1019 Pa·s, thereby possibly enabling extensive shearing along the Median Tectonic Line. The Effect of Low-Viscosity Contrast between Felsic Minerals on Creep Behavior. View this paper

Articles (119)

  • Article
  • Open Access
1 Citations
2,548 Views
14 Pages

21 March 2024

Aqueous complexation has long been considered the only viable means of transporting gold to depositional sites in hydrothermal ore-forming systems. Here, we present direct evidence supporting an alternative hypothesis, namely, the transport of gold a...

  • Review
  • Open Access
4 Citations
2,906 Views
27 Pages

21 March 2024

This review article considers the following aspects: naturally distributed chemical elements and their enrichments, and the increased occurrence of PTEs due to anthropogenic and urban activities, as well as due to the geochemical uniqueness of certai...

  • Article
  • Open Access
1,748 Views
15 Pages

21 March 2024

The article discusses the features of the chemical composition and the formation of intergrowths of platinum-group minerals, gold, gold-bearing phases, and other ore minerals present in placers collected from the Anabar River in the northeast part of...

  • Article
  • Open Access
1 Citations
2,002 Views
17 Pages

Characterization of Tableware from Fábrica de Loiça de Sacavém—Linking Analytical and Documental Research

  • Mathilda L. Coutinho,
  • João Pedro Veiga,
  • Andreia Ruivo,
  • Teresa Pereira da Silva,
  • Silvia Bottura-Scardina,
  • Maria Margarida R. A. Lima,
  • Carlos Pereira,
  • Ana Carvalho Dias,
  • Luis Dias and
  • Peter Vandenabeele
  • + 1 author

21 March 2024

Fábrica de Loiça de Sacavém (ca. 1858–1994) was among the first to produce white earthenware in Portugal, becoming one of the country’s leading ceramic manufacturers during the late 19th to early 20th centuries. Resea...

  • Article
  • Open Access
1 Citations
1,555 Views
17 Pages

20 March 2024

The design and optimization of flotation machines hold significant importance in enhancing the industrial-grade coal beneficiation process. In this research, the flow field characteristics and flotation performance of a novel pulse jet flotation mach...

  • Article
  • Open Access
5 Citations
2,467 Views
18 Pages

Kinetics of Estonian Phosphate Rock Dissolution in Hydrochloric Acid

  • Ruhany Sheherazad Azeez,
  • Kaia Tõnsuaadu,
  • Tiit Kaljuvee and
  • Andres Trikkel

20 March 2024

The kinetics of the dissolution of Estonian phosphate rock and the governing reaction mechanisms in hydrochloric acid in technological processes were investigated. The influences of particle size and acid concentrations of 0.5–1.5 M on the reac...

  • Article
  • Open Access
4 Citations
1,931 Views
18 Pages

20 March 2024

Ammonium sulfate is typically employed as a leaching agent in the in situ leaching of weathered crust elution-deposited rare earth ore. However, it is associated with challenges such as low efficiency in mass transfer for rare earth (RE) leaching, hi...

  • Article
  • Open Access
3,093 Views
27 Pages

Geochemistry, Mineralization, and Fluid Inclusion Study of the Bayan-Uul Porphyry Au-Cu-(Mo) Deposit, Central Mongolia

  • Bolor-Erdene Bilegsaikhan,
  • Kotaro Yonezu,
  • Jargalan Sereenen,
  • Oyungerel Sarantuya and
  • Baasanjargal Borshigo

20 March 2024

The Bayan-Uul porphyry Au-Cu-(Mo) deposit occurs within the Mongol–Okhotsk Orogenic Belt, which is a part of the Central Asian Orogenic Belt. To understand geotectonic, petrogenesis, mineralization, and ore-forming fluid evolution of the Bayan-...

  • Review
  • Open Access
34 Citations
11,482 Views
41 Pages

Towards a Circular Economy in the Mining Industry: Possible Solutions for Water Recovery through Advanced Mineral Tailings Dewatering

  • Laila Hamraoui,
  • Abdelilah Bergani,
  • Mouna Ettoumi,
  • Abdelmaula Aboulaich,
  • Yassine Taha,
  • Abdessamad Khalil,
  • Carmen Mihaela Neculita and
  • Mostafa Benzaazoua

19 March 2024

The mining industry is confronted with substantial challenges in achieving environmental sustainability, particularly regarding water usage, waste management, and dam safety. The increasing global demand for minerals has led to increased mining activ...

  • Article
  • Open Access
2 Citations
1,739 Views
15 Pages

Numerical Study of Gangue Slurry Deposition Behavior in Pipelines Considering Viscosity Change

  • Wei Gu,
  • Yunqing Wang,
  • Dalong Xu,
  • Kuo Miao,
  • Sumeng Yao,
  • Hao Zhang and
  • Zhenfei Han

17 March 2024

Pipeline conveying is a crucial method for realizing gangue slurry filling. In order to avoid the blockage of gangue slurry in pipeline conveying, it is necessary to clarify the deposition behavior of gangue particles in the pipeline. This paper anal...

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