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12 Results Found

  • Article
  • Open Access
2,415 Views
31 Pages

28 September 2024

This study presents an updated interpretation of geological data collected between 1984 and 2022. The area under consideration holds significant regional importance as it is located between the Internal Nappe Zone (INZ) and the Regional Mylonitic Com...

  • Article
  • Open Access
1 Citations
3,333 Views
19 Pages

Sardinia (Italy) represents one of the most comprehensive cross-sections of the Variscan orogen. The metamorphic and structural complexity characterizing its axial zone still presents many unresolved issues in the current state of knowledge. The data...

(This article belongs to the Special Issue Advanced Studies in Structural Geology: The Role of Tectonics on Applied Geology Αspects)
  • Article
  • Open Access
2 Citations
1,438 Views
22 Pages

Amagmatic Mylonitic Deformation of Mantle Peridotites from the Tosa Megamullion in the Shikoku Basin, Philippine Sea

  • Katsuyoshi Michibayashi,
  • So Inoue,
  • Valentin Basch,
  • Marco Cuffaro,
  • Yumiko Harigane,
  • Seira Katagiri,
  • Takaaki Moriguchi,
  • Itsuki Natsume,
  • Kohei Nimura and
  • Yasuhiko Ohara
  • + 6 authors

29 January 2026

Mylonitic mantle peridotites exposed at the Tosa Megamullion in the Shikoku Basin, Philippine Sea, provide direct evidence for amagmatic ductile shear deformation of the upper mantle beneath a back-arc spreading center. Oceanic core complexes (OCCs),...

(This article belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
  • Article
  • Open Access
8 Citations
5,774 Views
19 Pages

Magnetotelluric models spanning the Pacific–Australian Plate boundary in New Zealand’s South Island indicate a localized zone of low electrical resistivity that is spatially coincident with the ductile mid-crustal part of the Alpine Fault...

(This article belongs to the Section Structural Geology and Tectonics)
  • Article
  • Open Access
831 Views
20 Pages

6 August 2026

The NE- to E-trending ductile shear zones are well-exposed in the Wulashan–Daqingshan Complex of the Khondalite Belt, an Orosirian collisional orogen in the northwestern North China Craton. However, the timing of the shear zone activity remains...

(This article belongs to the Special Issue Precambrian Mineral Archives of the North China Craton: Early Earth Tectonics and Crustal Evolution)
  • Article
  • Open Access
6 Citations
1,717 Views
23 Pages

29 May 2024

Orogen-parallel ductile shear zones are conspicuous structures in the Khondalite Belt, but the timing of shearing remains poorly understood. Here, we present field-based structural and zircon U-Pb geochronological studies on the newly discovered Qian...

(This article belongs to the Special Issue Formation and Evolution of the Continental Crust in North China Craton during Precambrian)
  • Article
  • Open Access
2 Citations
3,185 Views
27 Pages

23 December 2022

In the western part of the Sierra de los Filabres area, there are fine-grained metamorphic rock bands, showing a field aspect simitar to slates, as previously described in the geological literature of the studied region. They are variable in thicknes...

(This article belongs to the Section Mineral Geochemistry and Geochronology)
  • Article
  • Open Access
1,007 Views
14 Pages

Overprinted Metamorphic Assemblages in High-Alumina Metapelitic Rocks in Contact with Varnous Pluton (NNW Greece)

  • Foteini Aravani,
  • Lambrini Papadopoulou,
  • Antonios Koroneos,
  • Alexandros Chatzipetros,
  • Stefanos Karampelas and
  • Kyriaki Pipera

1 August 2025

The Varnous Mt. area in the northern Pelagonian Nappe is characterized by the intrusion of an Early Permian pluton, with its tectonic setting and igneous petrology well constrained in earlier studies. The metamorphic basement rocks warrant further de...

(This article belongs to the Section Mineral Geochemistry and Geochronology)
  • Article
  • Open Access
3 Citations
6,270 Views
30 Pages

15 June 2022

The cassiterite–sulfide mineralization occurs within quartz veins and greisenized Precambrian Older Granite around the Gindi Akwati region at the Ropp complex’s western boundary, north-central Nigeria. The intrusion of Jurassic Younger gr...

(This article belongs to the Special Issue Granitic Intrusion and Related Mineralization in Asia)
  • Article
  • Open Access
14 Citations
5,326 Views
17 Pages

17 April 2020

In response to orogenic cycles, the ductile shear zone records a complex crustal deformation history. In this study, we conducted a microstructural analysis of two NW–SE trending ductile shear zones (Deokjeok Shear Zone (DSZ) and Soya Shear Zon...

(This article belongs to the Special Issue Microtexture Characterization of Rocks and Minerals)
  • Article
  • Open Access
5 Citations
2,307 Views
18 Pages

17 August 2024

The Qinshui Basin is located in the southeast of Shanxi Province, China. It is one of the most abundant coal resources from Permo-Carboniferous North China. It is rich in coal and coalbed methane resources. However, the accumulation of coalbed methan...

  • Article
  • Open Access
6 Citations
3,341 Views
28 Pages

Genesis of the Aït Abdellah Copper Deposit, Bou Azzer-El Graara Inlier, Anti-Atlas, Morocco

  • Marieme Jabbour,
  • Said Ilmen,
  • Moha Ikenne,
  • Basem Zoheir,
  • Mustapha Souhassou,
  • Ismail Bouskri,
  • Ali El-Masoudy,
  • Ilya Prokopyev,
  • Mohamed Oulhaj and
  • Lhou Maacha
  • + 1 author

20 May 2025

The Aït Abdellah copper deposit in the Bou Azzer-El Graara inlier of the Moroccan Anti-Atlas provides key insights into structurally and lithologically controlled mineralization in Precambrian terranes. The deposit is hosted in feldspathic sands...

(This article belongs to the Section Mineral Deposits)