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15 Results Found

  • Article
  • Open Access
1 Citations
3,817 Views
15 Pages

The metamorphic sole, tectonically welded to the base of the Samail ophiolite in a supra-subduction system, is assumed to play the main role in strain accumulation during later thrusting onto the Arabian Plate (i.e., during obduction). The present st...

  • Article
  • Open Access
1,437 Views
19 Pages

28 April 2024

Pressure–temperature estimates of a xenolith found within a post-obduction granodiorite in southern New Caledonia provide evidence for subcrustal, granulite facies, peak crystallisation conditions (ca. 850 °C—8.5 ± 1.0 kbar), f...

  • Review
  • Open Access
13 Citations
6,261 Views
72 Pages

In this paper, the Hellenic orogenic belt’s main geological structure and architecture of deformation are presented in an attempt to achive a better interpretation of its geotectonic evolution during Alpine orogeny. This study was based not onl...

  • Article
  • Open Access
6 Citations
4,622 Views
25 Pages

1 February 2023

Ospinsk is an area in Russia well-known for mining the highest quality green nephrite in the world. However, the chatoyant green nephrite found here has not been studied to date. This study explores the mineralogy, geochemistry, and petrogenesis of c...

  • Article
  • Open Access
6 Citations
4,899 Views
13 Pages

25 November 2019

Understanding the physical properties of ultramafic rocks is important for evaluating a wide variety of petrologic models of the oceanic lithosphere, particularly upper mantle and lower crust. Hydration of oceanic peridotites results in increasing se...

  • Article
  • Open Access
11 Citations
6,703 Views
16 Pages

The Formation of Dunite Channels within Harzburgite in the Wadi Tayin Massif, Oman Ophiolite: Insights from Compositional Variability of Cr-Spinel and Olivine in Holes BA1B and BA3A, Oman Drilling Project

  • Giuseppe Cocomazzi,
  • Giovanni Grieco,
  • Paola Tartarotti,
  • Micol Bussolesi,
  • Federica Zaccarini,
  • Laura Crispini and
  • Oman Drilling Project Science Team

13 February 2020

Holes BA1B and BA3A were drilled into the Wadi Tayin Massif, southern ophiolite complex of Oman, a fragment of the Tethyan oceanic lithosphere obducted onto the Arabian continent. Within the sequence, we have studied a portion of the shallow mantle,...

  • Article
  • Open Access
1 Citations
652 Views
19 Pages

Detrital Zircon U–Pb Geochronology of the Muti Formation: Implications for Provenance and Evolution of the Oman Foreland Basin

  • Iftikhar Ahmed Abbasi,
  • Muhammad Qasim,
  • Jenan Ahmed Attar,
  • Mohamed A. K. El-Ghali,
  • Mohamed S. H. Moustafa and
  • Lin Ding

Detrital zircon U–Pb dating from the Muti Formation sheds light on sediment sources and foreland basin development along the northeastern Arabian margin during the Late Cretaceous. The siliciclastic-rich Muti Formation was deposited in a syn-ob...

  • Article
  • Open Access
1 Citations
2,258 Views
17 Pages

Ecological and Human Health Risk Assessment Based on Stream Sediments from Coastal Oecusse (Timor)

  • Victor A. S. Vicente,
  • Marina Cabral Pinto,
  • Pedro Dinis and
  • João A. M. S. Pratas

22 October 2024

Timor Island is located in a geologically complex region strongly affected by the collision of the Australian margin with the Banda volcanic arc. In Oecusse, an enclave of East Timor in the western part of Timor, crop out several lithological units o...

  • Article
  • Open Access
37 Citations
24,416 Views
36 Pages

Analysis of lithofacies, paleoflow directions, and sandstone petrography of upper Paleocene-lower Eocene paralic and continental sediments exposed along the transpressional suture zone of the western margin of the Indian plate indicate that the proce...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,810 Views
18 Pages

21 January 2023

Ophiolite magnesite deposits are among the main sources of magnesite, a raw material critical for the EU. The present work focuses on magnesite occurrences at Kymasi (Evia Island, Greece), in close spatial association with chromitite within the same...

  • Article
  • Open Access
10 Citations
4,040 Views
50 Pages

6 December 2020

Metamorphic evolution of an accretionary wedge can be constrained by a reconstructed P–T conditions of the oceanic and continental margin fragments. This paper deals with the metamorphic overprinting of the Inner Western Carpathians (IWC) Melia...

  • Article
  • Open Access
4 Citations
2,904 Views
15 Pages

19 September 2024

Developments in scanning electron microscopy (SEM) have introduced instant live coloured SEM images based on elemental composition. Here, we use a technique utilising a Unity BEX detector system, with collection speeds up to 100 times faster than typ...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,270 Views
35 Pages

Mineralogical-Petrographical Record of Melt-Rock Interaction and P–T Estimates from the Ozren Massif Ophiolites (Bosnia and Herzegovina)

  • Marián Putiš,
  • Ondrej Nemec,
  • Samir Ustalić,
  • Elvir Babajić,
  • Peter Ružička,
  • Friedrich Koller,
  • Sergii Kurylo and
  • Petar Katanić

30 August 2022

The Dinaride Ophiolite Belt formed from the Jurassic part of the Neotethys. The investigated Ozren ophiolite complex in Bosnia and Herzegovina consists of peridotites, plagioclase peridotites, plagiogranites, troctolites and other gabbroic rocks, and...

  • Feature Paper
  • Article
  • Open Access
11 Citations
7,579 Views
33 Pages

Geochemistry of Waziristan Ophiolite Complex, Pakistan: Implications for Petrogenesis and Tectonic Setting

  • Raham Jalil,
  • Olivier Alard,
  • Bruce Schaefer,
  • Liaqat Ali,
  • Muhammad Sajid,
  • Mohamed Zaki Khedr,
  • Mohammad Tahir Shah and
  • Muhammad Naveed Anjum

23 February 2023

The Waziristan ophiolite complex (WOC), a segment of paleo-suture zone between the Indo-Pakistan plate to the south-east and the Afghan microplate to the north-west, is primarily composed of serpentinized dunites and serpentinites after harzburgites,...

  • Article
  • Open Access
35 Citations
5,662 Views
38 Pages

Origin and Age Determination of the Neotethys Meliata Basin Ophiolite Fragments in the Late Jurassic–Early Cretaceous Accretionary Wedge Mélange (Inner Western Carpathians, Slovakia)

  • Marián Putiš,
  • Ján Soták,
  • Qiu-Li Li,
  • Martin Ondrejka,
  • Xian-Hua Li,
  • Zhaochu Hu,
  • Xiaoxiao Ling,
  • Ondrej Nemec,
  • Zoltán Németh and
  • Peter Ružička

23 October 2019

This study reports the Neotethyan Meliata Basin ophiolite fragments in the Late Jurassic–Early Cretaceous accretionary wedge mélange in the southern part of the Inner Western Carpathians (IWC). Here we present new lithostratigraphical, p...