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Minerals, Volume 12, Issue 10

October 2022 - 157 articles

Cover Story: The geochemical affinity of Ti with HFSE (Nb, Ta, Zr, Hf) and other transition and base metals (Fe, Cr, V, Sn, Sb, Mo, W) makes TiO2 polymorphs potential minerals to exhibit anomalous metal enrichments related to ore-forming systems. The main compositional differences are related to intrinsic (structural) factors, and to the P–T–X extrinsic parameters of their forming environments. Alluvial heavy mineral analysis combined with the geochemical characterization of TiO2 polymorphs was found to be a good proxy for magmatic and/or metasomatic hydrothermal processes, enabling discrimination between Sn-dominant and W-dominant systems. This approach can be a robust, cost- and time-effective exploration tool for Sn(W) and W(Sn) ore deposit systems. View this paper
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Articles (157)

  • Article
  • Open Access
8 Citations
4,922 Views
21 Pages

Iron Extraction from South African Ilmenite Concentrate Leaching by Hydrochloric Acid (HCl) in the Presence of Reductant (Metallic Fe) and Additive (MgSO4)

  • Khetho Daba,
  • Munyadziwa Mercy Ramakokovhu,
  • Tajudeen Mojisola,
  • Mxolisi Brendon Shongwe and
  • Nthabiseng Ntholeng

21 October 2022

The high content of iron in ilmenite ore poses a great challenge, particularly in the synthesis of titanium-containing products due to high susceptibility of iron (Fe) to corrosion. Direct leaching of ilmenite ore in hydrochloric acid (HCl) encouragi...

  • Article
  • Open Access
6 Citations
3,389 Views
18 Pages

21 October 2022

The Longdong area in the Ordos basin is a typical fluvial reservoir with strong heterogeneity. In order to clarify the distribution law of underground reservoirs in the Longdong area, it is necessary to establish and optimize a 3D geological model to...

  • Article
  • Open Access
15 Citations
7,148 Views
19 Pages

21 October 2022

An alternative process to obtain a high degree of dewatering tailings that produces a high-density product is presented in this article. This technology involves the combination of tailings particle grain size classification by hydrocyclones (HC) and...

  • Article
  • Open Access
4 Citations
4,188 Views
20 Pages

20 October 2022

Although chert deposits are limited in geological distribution, their geological and geochemical characteristics can provide important information to reconstruct paleoenvironmental and diagenetic processes. For the Permian period, cherts are utilized...

  • Article
  • Open Access
4 Citations
2,184 Views
20 Pages

Effects of Freeze–Thaw Cycling on Dynamic Compressive Strength and Energy Dissipation of Sandstone

  • Bangbiao Wu,
  • Ling Yang,
  • Yong Mei,
  • Yunhou Sun,
  • Jinming Liu and
  • Jun Shen

20 October 2022

In this study, the dynamic compressive strength and dissipated energy of rocks were investigated under hydrostatic pressure after different freeze–thaw cycles (FTCs). A split Hopkinson pressure bar (SHPB) with a lateral confining pressure chamb...

  • Article
  • Open Access
3 Citations
2,112 Views
22 Pages

20 October 2022

Ore bodies incubating within fault zones are a common phenomenon in geological strata and pose a huge challenge for underground mining. To effectively exploit mineral resources, the layout of the mining roadway and the interaction between the roadway...

  • Article
  • Open Access
2 Citations
1,673 Views
19 Pages

20 October 2022

Numerous studies have focused on the mechanical properties of shale specimens to support hydraulic fracturing in shale gas engineering. However, the failure modes of shale specimens containing a pre-existing flaw are still not clear. A series of unia...

  • Article
  • Open Access
3 Citations
2,382 Views
16 Pages

20 October 2022

Coal mining activities have a series of impacts on the local eco-environment, such as air pollution due to the release of toxic gases, contamination of soil with heavy metals, disturbance and contamination of surface and subsurface water, and damage...

  • Article
  • Open Access
6 Citations
2,063 Views
20 Pages

20 October 2022

In order to achieve rapid heading of deep arch coal roadways under goaf, the maximum unsupported roof distance (URD), surrounding rock stability of unsupported roof area and influencing factors, and rapid heading equipment and processes for these roa...

  • Article
  • Open Access
4 Citations
4,428 Views
34 Pages

New Insights into the Evolution and Footprints of the Paraíba Au-Cu-Mo Deposit, Alta Floresta Mineral Province (Brazil), through Integration of Spectral and Conventional Methods

  • Luciano Poggi,
  • Diego Fernando Ducart,
  • Maria José Mesquita,
  • Igor Camargo Moreira,
  • Márcia Elisa Boscato Gomes and
  • Carlos Roberto de Souza Filho

20 October 2022

The Paraíba is an Au-Cu-Mo deposit located in the southern part of the Amazon Craton, in the Alta Floresta Mineral Province, Mato Grosso State, Brazil. It is composed of Au-Cu-bearing quartz veins and Cu-Mo-rich hydrothermal breccias and stock...

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Minerals - ISSN 2075-163X