Results 51 to 60 of about 2,601 (170)

Fast and Spatially Heterogeneous Cooling Rates at Amphibolite‐Facies Conditions in the Lepontine Alps (Switzerland)

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 11, November 2025.
Abstract The Lepontine dome (European Central Alps) is constituted by basement nappes under Alpine regional Barrovian metamorphism, yet the duration and pattern of its post‐peak amphibolite‐facies cooling remain uncertain. We examine garnet‐rim compositional re‐adjustment and employ inverse multicomponent diffusion modeling to estimate apparent cooling
A. Tagliaferri, E. Moulas, S. M. Schmalholz, F. L. Schenker   +3 more
wiley   +1 more source

Micro-structural and compositional variations of hydrothermal epidote-group minerals from a peralkaline granite, Corupá Pluton, Graciosa Province, South Brazil, and their petrological implications

Anais da Academia Brasileira de Ciências, 2012
Epidote-group minerals, together with albite, quartz, fluorite, Al-poor and Fe-rich phyllosilicates, zircon, and minor oxides and sulphides, are typical hydrothermal phases in peralkaline alkali-feldspar granites from the Corupá Pluton, Graciosa Province,
Silvio R.F. Vlach
doaj  

Rock weathering along small mountainous rivers: Sierra de las Minas, Guatemala [PDF]

, 2016
Studies of chemical weathering in small mountainous rivers have shown their disproportional role in chemical weathering and delivery of dissolved and particulate materials on a global scale. Previous stream water analyses from La Sierra de Las Minas have
Miller, Laura
core  

Cumulate causes for the low contents of sulfide-loving elements in the continental crust [PDF]

, 2017
Despite the economic importance of chalcophile (sulfide-loving) and siderophile (metal-loving) elements (CSEs), it is unclear how they become enriched or depleted in the continental crust, compared with the oceanic crust.
A Gale, AG Tomkins, B Peucker-Ehrenbrink, B Simons, C Annen, C Patten, C Timm, C-TA Lee, C-TA Lee, D Tanner, ES Kiseeva, FE Jenner, FE Jenner, FE Jenner, FE Jenner, FE Jenner, FE Jenner, FE Jenner, Frances Elaine Jenner, G Witt-Eickschen, H Freymuth, H Freymuth, H Palme, HStC O’Neill, HStC O’Neill, J Adam, J Blichert-Toft, J Hermann, J Prytulak, JA Pearce, JJ Wilkinson, JP Richards, JPD Noll, KP Jochum, M Chiaradia, PJ Wallace, R Arevalo, RL Rudnick, S Guillot, SG Nielsen, SS Dare, T Elliott, T Plank, V Matjuschkin, VJM Salters, W Sun, W Yi, WM White, Y Li, Y Li, Z Wang, Z Zhang   +51 more
core   +1 more source

Radiogenic Heating as the Thermal Driver of Himalayan Crustal Heating During Prolonged Thickening

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 11, November 2025.
Abstract The thermal evolution of the crust during continental collision evolves from cold to hot with time, which impacts crustal reworking and differentiation. However, it remains elusive as to the mechanism driving the crust to be hot during the protracted collision.
Shuaiqi Liu, Guibin Zhang, Lifei Zhang, Shuzhen Wang, Feng Chang   +4 more
wiley   +1 more source

Geochemistry of mylonitic tourmaline-bearing granite- gneiss pluton in the northeast of June mine

Journal of Economic Geology, 2017
Introduction Studied mylonitic granite-gneiss body is located in the Northwest of the Azna region in the Lorestan province close to the June dimension stone mine.
Arezoo Moradi, Nahid Shabanian Boroujeni , Ali Reza Davoudian Dehkordy   +2 more
doaj   +1 more source

An Experimental Study of Trace Element Fluxes from Subducted Oceanic Crust [PDF]

, 2017
We have determined experimentally the hydrous phase relations and trace element partitioning behaviour of ocean floor basalt protoliths at pressures and temperatures (3 GPa, 750-1000°C) relevant to melting in subduction zones.
Blundy, J. D., Carter, L. B., De Hoog, J. C. M., Elliott, T., Skora, S.   +4 more
core  

MRMinerals and MineralTD: Machine‐Readable Mineral Formula and Compositions Data Set for Data‐Driven Research

Geoscience Data Journal, Volume 12, Issue 4, October 2025.
We present MRMinerals and MineralTD, two open‐access, ML‐ready mineral data sets. Together, they provide machine‐readable formulas and 10,000+ compositions per mineral, enabling scalable, data‐driven approaches for applying ML to mineral data analysis. ABSTRACT Artificial intelligence (AI) is being increasingly applied in the geosciences, particularly ...
Tamanna, Dominik C. Hezel, Horst R. Marschall   +2 more
wiley   +1 more source

Lithological mapping and spectroscopic studies of carbonatite and clinopyroxenite from Hogenakkal carbonatite complex, India

Applied Computing and Geosciences
The Paleoproterozoic Hogenakkal carbonatite complex, situated within the Mettur shear zone, Southern Granulite Terrain, Tamil Nadu, India, is known for its enigmatic carbonatite-clinopyroxenite association and lithology specific rare earth elements (REE)
Saraah Imran, Sourav Bhattacharjee, Ajanta Goswami, Aniket Chakrabarty   +3 more
doaj   +1 more source

Constraints on the Dehydration Systematics of Subducted Oceanic Crust Across the Blueschist‐to‐Eclogite Facies Transition (Eclogite Zone, Eastern Alps)

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.
Abstract Mafic eclogites of the Tauern Window in the Eastern Alps preserve vein networks associated with eclogite‐facies mineral assemblages. The structural and mineralogical diversity of these veins is encapsulated by Type I veins, which resemble deformed tension gashes, and Type II quartz segregates with non‐planar morphologies. Within host eclogites,
L. A. Strobl, D. Elsworth, D. Fisher, A. J. Smye   +3 more
wiley   +1 more source