Results 51 to 60 of about 1,741 (196)

Multi‐Method Geochronology and P‒T Modeling Unravels the Thermo‐Tectonic History of the Rudall Province, Western Australia

open access: yesTectonics, Volume 45, Issue 2, February 2026.
Abstract The Rudall Province (RP) is a Paleo‐Mesoproterozoic belt that records numerous overprinting tectono‐metamorphic events. Situated on the eastern edge of the West Australian Craton (WAC), the RP represents a key area for understanding the Proterozoic assembly and subsequent tectonic history of Western Australia.
Alejandra Bedoya   +6 more
wiley   +1 more source

Chemical‐Thermomechanical Modeling of Open‐System Mass Transfer: Application to the Subduction Interface

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 2, February 2026.
Abstract One of the main limitations in simulating subsolidus metasomatism is the decoupling between thermomechanical models and chemical/thermodynamic modeling. This decoupling amplifies the uncertainty associated with mass transport. Here, we introduce a fluid‐rock chemical‐thermomechanical interaction scheme, which integrates thermodynamic modeling (
Jun Ren   +5 more
wiley   +1 more source

High pressure metamorphic conditions in garnet amphibolite from a collisional shear zone related to the Tapo ultramafic body, Eastern Cordillera of Central Peru [PDF]

open access: yes, 2010
A discontinuos belt of elongated ultramafic rock bodies (mostly serpentinites) occurs in the Eastern Cordillera of the central Peruvian Andes. One of the main occurrences is the Tapo Massif, a lense-shaped serpentinite body, ~2 km x 5 km, comprising ...
Acosta, Jorge   +4 more
core   +1 more source

Location, Location, Location: Monazite Behaviour During UHT Metamorphism and Melt Crystallization

open access: yesJournal of Metamorphic Geology, Volume 44, Issue 2, Page 158-175, February 2026.
ABSTRACT Monazite is a robust mineral for recording the suprasolidus evolution of migmatites and granulites. However, monazite commonly has diverse compositions and yields variable dates in a single sample; understanding the controls on monazite behaviour and composition during partial melting and melt crystallization are not always straightforward ...
Chris Yakymchuk   +2 more
wiley   +1 more source

Geology and Petrography of the Northern Yamato Mountains, East Antarctica (Earth Sciences) [PDF]

open access: yes, 1977
In the northern Yamato Mountains, there are two groups of rocks. One is the syenite gneiss group which was metamorphosed under the granulite facies conditions.
Kazuyuki SHIRAISHI
core   +1 more source

Environmental Controls on the Cycling of Fe and Mn in Patagonian Fjord Systems

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 1, January 2026.
Abstract Fjord sediments are important reservoirs and conduits of potentially bioavailable iron (Fe) and manganese (Mn). Both elements are critical to life, serving as key reactants in metabolic pathways, and play an important role in the reactivity and burial of organic carbon.
L. Piret   +3 more
wiley   +1 more source

Geochemistry and Petrogenesis of Metabasites from the Votuverava Group (Apiaí Terrane, Southern Ribeira Belt): Evidence of a Calymmian Back-arc Basin Frederico [PDF]

open access: yesGeologia USP. Série Científica, 2011
The Votuverava Group (ca. 1500 - 1400 Ma), which is part of the Apiaí Terrane, a segment of the Southern RibeiraBelt, is composed of distal turbidites with signifi cant basic magmatism represented by concordant lenses of metabasite.Twenty metabasite ...
Frederico Meira Faleiros   +3 more
doaj  

Structural, petrological and chemical analysis of syn-kinematic migmatites: insights from the Western Gneiss Region, Norway. [PDF]

open access: yes, 2014
International audienceEvidence of melting is presented from the Western Gneiss Region (WGR) in the core of the Caledonian orogen, Western Norway and the dynamic significance of melting for the evolution of orogens is evaluated.
Andersen   +86 more
core   +4 more sources

Evaluating Regional Stress Versus Structural Controls on a Middle Miocene Dike Swarm in the Sanbagawa Metamorphic Complex, Southwest Japan

open access: yesIsland Arc, Volume 35, Issue 1, January/December 2026.
ABSTRACT The Middle Miocene Takaiwa Rhyolite dike swarm in central Shikoku, southwest Japan, provides a key opportunity to evaluate whether arc‐parallel dikes record the regional stress field in a crustal domain with a pervasive ENE–WSW structural grain.
Toshiki Haji, Kazuhiro Miyazaki
wiley   +1 more source

Geology of Langhovde, Lutzow-Holm Bay, East Antarctica

open access: yesAntarctic Record, 1974
The rocks exposed in Langhovde, Liitzow-Holm Bay, East Antarctica, are chiefly metamorphic and granitic, with less extensive glacial deposits and beach sediments. Metamorphic rocks consist of metabasite, pyroxene gneiss, hornblende gneiss, garnet-biotite
Terumi ISHIKAWA
doaj   +1 more source

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