Results 31 to 40 of about 235 (147)

Restoring the Missing Late Cretaceous Arc of Iran

open access: yesGeochemistry, Geophysics, Geosystems
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.
Yiyang Lei   +10 more
doaj   +1 more source

Provenance Constraints on Early India–Asia Collision: Evidence From the Late Cretaceous–Early Cenozoic Sulaiman–Katawaz Basin Fill

open access: yesBasin Research, Volume 38, Issue 5, September‐October 2026.
Integrated detrital zircon U–Pb, Nd–Sr isotopes and thermochronology record western Indian‐margin provenance reorganisation. Late Cretaceous–Palaeocene sediment supply was Indian‐affinity; Asian‐affinity input appeared across the Palaeocene–Eocene transition (~56.5–54.7 Ma), suggesting India–Asia collision was underway, while mixed provenance persisted
Nowrad Ali   +8 more
wiley   +1 more source

Exhumed eo‐Alpine High‐Pressure Rocks Fed Campanian Turbidites in Eastern Sardinia

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract This study investigates the detrital record of the early orogenic evolution of the Sardinia‐Calabria system, preserved in Upper Cretaceous arenites exposed in eastern Sardinia. Sardinia and Corsica form a continental block that includes a segment of the Alpine orogen and of its former foreland basin.
Francesco Massari   +5 more
wiley   +1 more source

Petrology of Oligocene Ghaleh Yaghmesh granitoids in the west of Yazd province

open access: yesJournal of Economic Geology, 2017
Introduction The generation and evolution of granitic magmas has been a hot debated subject among petrologists. The diversity of their origin has led different authors to propose that these rocks are not simple in their origin and might be generated in
Bahareh Fazeli   +4 more
doaj   +1 more source

Thermochemical Controls on the X, 410, and 660 Discontinuities in the Central Mediterranean

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.
Abstract The mantle beneath the Central Mediterranean is thermally and compositionally heterogeneous, as indicated by fragmented and locally stagnant slabs in tomographic images and HIMU‐like anorogenic magmatism. Mantle discontinuities are sensitive to both temperature and composition, and thus provide a way to quantify these heterogeneities.
Luciana Bonatto   +4 more
wiley   +1 more source

Geology, mineralization, geochemistry and petrology of intrusions in the Kuh Zar Au-Cu deposit, Damghan

open access: yesJournal of Economic Geology, 2018
Introduction Kuh Zar Au-Cu deposit is located in the central part of the Torud-Chah Shirin Volcanic-Plutonic Belt, 100 km southeast of the city of Damghan.
Payam Roohbakhsh   +2 more
doaj   +1 more source

Structurally‐Controlled Permeability Evolution and Mineralization in Geothermal Caprocks: The Fenice Capanne Mining District (Southern Tuscany, Italy)

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract The Neogene mineralized region of the Colline Metallifere in southern Tuscany (Italy) provides a natural laboratory to investigate feedback between fluid–rock interaction, structurally controlled fluid flow, and hydrothermal ore mineralization.
Barbara Marchesini   +12 more
wiley   +1 more source

Ductile Versus Brittle Tectonics in the Anatolian–Aegean–Balkan System

open access: yesGeosciences
It is hypothesized that the present tectonic setting of the Anatolian, Aegean and Balkan regions has been deeply influenced by the different deformation styles of the inner and outer belts which constituted the Oligocene Tethyan system.
Enzo Mantovani   +5 more
doaj   +1 more source

Magma nature and tectono-magmatic context of the Eocene Uludağ granitoids (NW-Türkiye): Insights into the Cenozoic geodynamics of the Tethyan Orogenic Belt

open access: yesGeochemistry
Late Paleocene to Middle-Eocene magmatism provides critical insights into the reconstruction of the Cenozoic geodynamic evolution of NW Anatolia. In this study, we mapped individual petrographic facies from the Eocene Uludağ Plutons (Topuk and Tepeldağ) and present zircon U-Pb geochronology, Sr-Nd isotope data, and comprehensive geochemical analyses ...
Kocaturk, Hueseyin   +9 more
openaire   +3 more sources

Crustal Thickness Inversion From Magmatic Geochemistry Reveals Spatiotemporal Evolution and Two‐Stage Uplift of the Iranian Plateau

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract The Cenozoic topographic growth of the Iranian Plateau, situated at the Arabia‐Eurasia collision front, provides insights into continental collision dynamics. However, the relative contributions of tectonic shortening versus deep mantle processes to crustal thickening remain debated because systematic quantitative constraints on paleo‐crustal ...
Jun Hu   +4 more
wiley   +1 more source

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