Results 61 to 70 of about 9,063 (215)

Provenance Reassessment of Eocene Turbidites, New Caledonia: Inferences for Obduction Models

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 12, December 2025.
Abstract Provenance of pre‐obduction Eocene turbidites from New Caledonia is used to better constrain their geodynamic context and inform debate on subduction polarity. Chemical compositions of detrital clinopyroxenes in arenites are compared against potential sources.
Dominique Cluzel, France Pattier, Renjie Zhou, Sébastien Meffre, Jonathan C. Aitchison, Pierre Maurizot, Maximilien Mathian, Jean‐Luc Devidal   +7 more
wiley   +1 more source

Restoring the Missing Late Cretaceous Arc of Iran

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 12, December 2025.
Abstract Persistent arc magmatism archives fluid transport and mantle partial melting in subduction zones. However, arc magmatism often exhibits different magmatic records along the strike, as seen in the Tethyan orogenic belt. During Neo‐Tethys subduction under Iran, there was pulsed arc magmatism with Middle Jurassic and Eocene magmatic flare‐ups ...
Yiyang Lei, Yang Chu, Mark B. Allen, Wei Lin, Bo Wan, Ling Chen, Morteza Talebian, Guangyao Xin, Tanjie Liu, Yilin Guo, Lin Guo   +10 more
wiley   +1 more source

Chromitite deposits of Ufaley ultramafic massif (South Urals)

Georesursy
Data on the morphology, composition, textural and structural features of chromite deposits of the Ufaley ultramafic massif are presented. The mineralogical and compositional features of the host ultramafic rocks allow us to interpret them as depleted ...
D. E. Saveliev
doaj   +1 more source

Fossilized Endolithic Microorganisms in Pillow Lavas from the Troodos Ophiolite, Cyprus

Geosciences, 2019
The last decade has revealed the igneous oceanic crust to host a more abundant and diverse biota than previously expected. These underexplored rock-hosted deep ecosystems dominated Earth’s biosphere prior to plants colonized land in the Ordovician,
Diana-Thean Carlsson, Magnus Ivarsson, Anna Neubeck   +2 more
doaj   +1 more source

Geochemical characteristics of ophiolitic rocks from the southern margin of the Sivas basin and their implications for the Inner Tauride Ocean, Central-Eastern Turkey

Geodinamica Acta, 2017
Number of dismembered ophiolite bodies crop out between Sivas and Malatya on the top of the Eastern Tauride platform in the central-eastern Turkey. One of which at the southern margin of the Sivas basin in the Tecer Mountain area comprises melange and ...
Kaan Şevki Kavak, Osman Parlak, Haluk Temiz   +2 more
doaj   +1 more source

Fore-arc ophiolite.

Journal of Geography (Chigaku Zasshi), 1989
Recent results of dredging and drilling of inner trench slopes have revealed that the abundant ophiolitic rocks (fore-arc ophiolite) crop out in the Izu-Ogasawara, Mariana, Yap, Tonga, and Middle America regions. These are commonly composed of serpentinized peridotite, gabbro, and volcanics of basic to intermediate composition.The fore-arc ophiolite of
Hirokazu MAEKAWA, Masaya SHOZUI, Teruaki ISHII   +2 more
openaire   +2 more sources

Geochemistry of mafic extrusive lavas in the Bayankhongor Ophiolite, Mongolia

Mongolian Geoscientist
This study presents new geochemical data on pillow lavas from the Bayankhongor Ophiolite in western Mongolia, revealing compositions that range from sub-alkaline to alkaline basalts.
Bayarmaa Batsukh, Turbold Sukhbaatar, Gerel Ochir, Oyunbold Sukhbaatar, Odgerel Dashdorjgochoo   +4 more
doaj   +1 more source

Orthopyroxene–magnetite symplectite in olivine gabbros from the lower crustal Oman Ophiolite: Oman Drilling Project, Hole GT2A

, 2021
Sayantani Chatterjee, Debaditya Bandyopadhyay, Eiichi Takazawa, Katsuyoshi Michibayashi   +3 more
openalex   +2 more sources

Ophiolites of Japan.

Journal of Geography (Chigaku Zasshi), 1989
The Japanese ophiolites are divided into nappe type and melange type by their occurrences. The nappe type formed in a short period (a few 10Ma), and emplaced shortly after its igneous formation keeping its original igneous stratigraphy. They generally escaped from post-emplacement, high-pressure metamorphism. The melange type is a mixture of ophiolitic
openaire   +2 more sources

PLAGIOGRANITES FROM THE OPHIOLITE COMPLEXES OF DINARIDES AND VARDAR ZONE

Rudarsko-geološko-naftni Zbornik, 2001
Geochemical dana of plagiogranites associated with ophiolite conplexes of Central Dinaride Ophiolite Belt (CDOB) and Vardar Zone Ophiolite Belt (VZOB) are presented.
Vladimir Majer , Vesnica Garašić
doaj