Passive continental margin subducted to mantle depths: Coesite-bearing metasedimentary rocks from the Neoproterozoic Brasília Orogen, West Gondwana margin

MCC Neto, GL Frugis, A Westin, R Caby, AG Nobre… - Precambrian …, 2024 - Elsevier
In this contribution, we investigate the ultra-high pressure metamorphism (UHPM), and
subsequent pressure–temperature-time (PTt) exhumation path recorded by granulites (rutile …

Favorable P–T–ƒO2 conditions for abiotic CH4 production in subducted oceanic crusts: A comparison between CH4-bearing ultrahigh-and CO2-bearing high …

C Wang, R Tao, JB Walters, HE Höfer… - … et Cosmochimica Acta, 2022 - Elsevier
Subduction is a key element in the carbon cycle between the Earth's surface and deep
interior. In addition to pressure (P) and temperature (T), oxygen fugacity (ƒO 2) is an …

Single-zircon UPb geochronology and petrogenesis of Pan-African granitoids associated with gold-bearing quartz veins in the Ngoura-Colomines area, Eastern …

JDT Wambo, A Roy, S Ganno, DH Fossi, OD Wilner… - Lithos, 2024 - Elsevier
Abstract LA-ICP-MS zircon Usingle bondPb geochronology was combined with field study,
petrography, and whole rock geochemical data to constrain the age of the Ngoura …

Garnet Reference Materials for In Situ Lu‐Hf Geochronology

BV Ribeiro, CL Kirkland, M Smit… - Geostandards and …, 2024 - Wiley Online Library
In situ garnet Lu‐Hf geochronology has the potential to revolutionise the chronology of
petrological and tectonic processes, yet there is a paucity of well‐characterised reference …

Assessing Thermal Gradients Across Archean Stratigraphy Using Raman Spectra of Carbonaceous Material Thermometry and Mineral Chemistry in the Western …

L Sreehari, S Kiran, T Hokada… - Geological …, 2025 - Wiley Online Library
This study investigates the metamorphic evolution of the Chitradurga Schist Belt (CSB) in the
Western Dharwar Craton, India, emphasising its relationship with tectonic processes. Due to …

Exhumed serpentinites and their tectonic significance in non‐collisional orogens

D Donoso‐Tapia, KE Flores, C Martin… - Geochemistry …, 2024 - Wiley Online Library
Exhumed serpentinites are fragments of ancient oceanic lithosphere or mantle wedge that
record deep fluid‐rock interactions and metasomatic processes. While common in suture …

[HTML][HTML] Evolution of ore-forming fluids at Azegour Mo-Cu-W Skarn Deposit, Western High Atlas, Morocco: Evidence from mineral chemistry and fluid inclusions

A El Khalile, M Aissa, A Touil, M Hibti, I Loudaoued… - Minerals, 2023 - mdpi.com
The Azegour Mo-Cu-W skarn deposit, located on the northern side of the Western High
Atlas, occurs in lower Cambrian volcanic and sedimentary rocks. The mineralizations are …

[HTML][HTML] Dislocation networks facilitate element diffusion in deformed garnet

BV Ribeiro, CL Kirkland, MA Finch… - Earth and Planetary …, 2025 - Elsevier
Garnet is a key mineral in constraining the conditions and timing of metamorphism. Changes
in its elemental composition can record distinct pressure (P) and temperature (T) conditions …

GCDkit. Mineral: A customizable, platform-independent R-language environment for recalculation, plotting, and classification of electron probe microanalyses of …

V Janoušek, CM Farrow, V Erban - American Mineralogist, 2024 - degruyter.com
GCDkit. Mineral is a platform-independent (Windows/Mac/Linux) freeware for recalculation,
plotting, and statistical treatment of mineral data obtained by microbeam techniques …

The origin of Na-alkaline lavas revisited: new constraints from experimental melting of amphibole-rich metasomes+ lherzolite at uppermost mantle pressure

T Grützner, D Prelević, J Berndt, S Klemme - Contributions to Mineralogy …, 2023 - Springer
We present a new experimental dataset for reaction experiments between natural
amphibole-clinopyroxene metasomes (hornblendite) and synthetic lherzolite that produced …