Geochemistry of metasedimentary restitic rocks and implications for melting conditions and metal potential of crustal felsic magmas

AS Stepanov, C Allen, SY Jiang, IA Zhukova… - Earth-Science …, 2024 - Elsevier
Partial melting of crustal rocks, also known as anatexis, is the major mechanism of the
fractionation of the continental crust and generation of felsic melts. The segregation of melts …

Effectiveness of Ti-in-amphibole thermometry and performance of different thermometers across lower continental crust up to UHT metamorphism

O Bartoli, BB Carvalho, F Farina - Contributions to Mineralogy and …, 2024 - Springer
Metabasites are important constituents of deep crustal sections and are the favored rock
type for studying lower crustal amphibolite to granulite transitions. However, metapelites …

[HTML][HTML] C–O–H fluid-melt-rock interaction in graphitic granulites and problems of quantifying carbon budget in the lower continental crust

BB Carvalho, O Bartoli, B Cesare - Chemical Geology, 2023 - Elsevier
Estimates on the geological carbon cycle are subject to large uncertainties that can be
reduced by thorough observation of rocks. In this contribution, we focus specifically on C–O …

The Age of Granulite-Facies Metamorphism in the Ivrea–Verbano Zone (NW Italy) Determined Through In Situ U–Pb Dating of Garnet

O Bartoli, LJ Millonig, BB Carvalho… - Journal of …, 2024 - academic.oup.com
Rates of melt production, extraction and crystallization, as well as scales of melt transfer and
interaction with their residuum change continuously in migmatite and granulite, affecting the …

Measuring in situ CO2 and H2O in apatite via ATR-FTIR

J Hammerli, J Hermann, P Tollan, F Naab - Contributions to mineralogy …, 2021 - Springer
We present a new approach to determine in situ CO 2 and H 2 O concentrations in apatite
via attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). Absolute …

Granite geochemistry is not diagnostic of the role of water in the source

O Bartoli - Earth and Planetary Science Letters, 2021 - Elsevier
The diverse fluid regimes during melting of the metasedimentary crust have been often
discriminated on the basis of the composition of anatectic granitoids, with granites indicating …

Thermodynamic analysis of HP-UHP fluid inclusions: The solute load and chemistry of metamorphic fluids

A Maffeis, S Ferrando, JAD Connolly, C Groppo… - … et Cosmochimica Acta, 2021 - Elsevier
Subduction fluids play a crucial role in regulating long-term chemical cycles. Their
characterisation is essential to understand the processes responsible for metasomatism …

The magmatic-hydrothermal transition in P-rich pegmatitic melts: Crystal-melt-fluid interactions recorded by phosphate minerals

FP Araujo, P Muchez, N Hulsbosch - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Rare-element pegmatites are the crystallization product of melts strongly enriched in
incompatible elements. Some of these elements, eg, Li, B, P, F, and H 2 O, function as melt …

Anatectic melt inclusions in ultra high temperature granulites

O Gianola, O Bartoli, F Ferri, A Galli… - Journal of …, 2021 - Wiley Online Library
Partial melting up to ultra high temperature (UHT) conditions is one of the major processes
for the geochemical differentiation and reworking of the mid‐to lower continental crust, with …

Anatectic granites in their source region: a comparison between experiments, thermodynamic modelling and nanogranitoids

O Bartoli, BB Carvalho - Lithos, 2021 - Elsevier
Anatectic granites represent the products of crustal maturation by partial melting, therefore,
studies on their origin are crucial to understanding how continental crust forms and evolves …