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Minerals, Volume 13, Issue 12

December 2023 - 96 articles

Cover Story: At Lightning Ridge, Australia, fine clay buried Cretaceous plant and animal remains, producing morphologically detailed cavities that later became sites for the precipitation of amorphous opal. Opalization occurred after the dissolution of cellulose and lignin in plants, calcium carbonate in mollusk shells, and calcium phosphate in bones.  The times required for these decompositions are variable and depend on geochemical and sedimentologic conditions, but worldwide evidence reveals that the onset of subsequent mineralization may be greatly delayed.  Our study of opalized fossils at Lightning Ridge provides a spectacular example: mid-Cretaceous (Cenomanian) sediments contain opalized fossils that were produced by Neogene silica precipitation. View this paper
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Articles (96)

  • Article
  • Open Access
5 Citations
3,404 Views
30 Pages

Evolution of Ore-Forming Fluids at Azegour Mo-Cu-W Skarn Deposit, Western High Atlas, Morocco: Evidence from Mineral Chemistry and Fluid Inclusions

  • Abdessamed El Khalile,
  • Mohamed Aissa,
  • Ahmed Touil,
  • Mohamed Hibti,
  • Ilyasse Loudaoued and
  • Essaid Bilal

11 December 2023

The Azegour Mo-Cu-W skarn deposit, located on the northern side of the Western High Atlas, occurs in lower Cambrian volcanic and sedimentary rocks. The mineralizations are linked to the hydrothermal alterations that affected carbonated layers of the...

  • Article
  • Open Access
1 Citations
1,504 Views
12 Pages

11 December 2023

This study investigates the adsorption of selected water pollutants, namely caesium and copper, by using natural zeolite of the clinoptilolite type, as well as clinoptilolites coated with MnOx, FeO(OH)-MnOx and FeO(OH). A comprehensive evaluation of...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,671 Views
27 Pages

A Multiphysics Model for the Near-Field Evolution of a Geological Repository of Radioactive Waste

  • Uy Vo,
  • Mamadou Fall,
  • Julio Ángel Infante Sedano and
  • Thanh Son Nguyen

10 December 2023

The safety and robustness of Deep Geological Repositories (DGRs) are of paramount importance for the long-term management of spent nuclear fuel from electricity generation. The introduction of a multi-barrier system, which includes the host rock form...

  • Article
  • Open Access
1 Citations
2,064 Views
17 Pages

10 December 2023

Cadmium (Cd) is one of the most toxic transition metals for living organisms. Thus, effective measures to remediate Cd from water and soils need to be developed. Cd immobilization by alumina and mixtures of alumina and smectite have been analyzed exp...

  • Article
  • Open Access
15 Citations
2,748 Views
30 Pages

9 December 2023

Micro-heterogeneity in low-permeability sandstone oil reservoirs significantly influences the uniformity of water injection during development. This leads to the formation of preferred channels for water injection, causing premature water breakthroug...

  • Review
  • Open Access
15 Citations
4,711 Views
30 Pages

9 December 2023

Marine Co-rich ferromanganese crusts and polymetallic nodules, which are widely distributed in oceanic environments, are salient potential mineral resources that are enriched with many critical metals. Many investigations have achieved essential prog...

  • Article
  • Open Access
1 Citations
2,451 Views
11 Pages

Innovative Structural Characterization of Natural Villiaumite Crystal

  • Katarzyna Chruszcz-Lipska,
  • Elżbieta Szostak and
  • Krzysztof Kazimierz Zborowski

9 December 2023

The work presents the latest scientific research on the far infrared spectrum of the natural mineral villiaumite (chemical formula NaF). The three samples of villiaumite examined came from the Khibiny Mountains in the Kola Peninsula (Russia) and from...

  • Article
  • Open Access
5 Citations
2,920 Views
12 Pages

Adsorption Behaviors of Lanthanum (III) and Yttrium (III) Ions on Gibbsite

  • Zongke Zhou,
  • Quan Wan,
  • Wenbin Yu,
  • Xin Nie,
  • Shuguang Yang,
  • Shuqin Yang and
  • Zonghua Qin

9 December 2023

The enrichment process of rare earth elements in ion-adsorbed rare earth ores and bauxite is potentially related to the adsorption of rare earth elements by gibbsite. In this paper, lanthanum and yttrium were selected as surrogates of light rare eart...

  • Article
  • Open Access
1 Citations
1,967 Views
17 Pages

Precious-Metal Mineralization and Formation Conditions of the Biche-Kadyr-Oos Epithermal Au-Ag Ore Occurrence (Eastern Sayan, Russia)

  • Renat V. Kuzhuget,
  • Natalia N. Ankusheva,
  • Ailai K. Hertek,
  • Yuri A. Kalinin,
  • Bulat B. Damdinov,
  • Franco Pirajno,
  • Yuri V. Butanaev,
  • Nadezhda V. Suge-Maadyr and
  • Sholban N. Soldup

8 December 2023

The Biche-Kadyr-Oos epithermal Au-Ag ore occurrence is a prospective object in the Ak-Sug porphyry copper ore cluster (Eastern Sayan) in the northern part of the Central Asian orogenic belt (CAOB). The mineralization consists of gold-sulfide-quartz a...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,248 Views
21 Pages

Pd-Ag-Au Minerals in Clinopyroxenites of the Kachkanar Ural–Alaskan-Type Complex (Middle Urals, Russia)

  • Sergey Yu. Stepanov,
  • Ivan F. Chayka,
  • Roman S. Palamarchuk and
  • Andrey V. Korneev

8 December 2023

The study of noble metal minerals of the Ural–Alaskan-type (UA-type) complexes has been traditionally focused on their platinum-bearing dunites and chromitites, while clinopyroxenites have been poorly considered. In this study, we report the fi...

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Minerals - ISSN 2075-163X