Amp-TB2: an updated model for calcic amphibole thermobarometry

F Ridolfi - Minerals, 2021 - mdpi.com
Amphibole (Amp) plays a crucial role in the study of several earth and planetary processes.
One of its most common applications is in thermobarometry, especially for volcanic …

The role of an oxidized lithospheric mantle in gold mobilization

KF Qiu, RL Romer, ZY Long, AE Williams-Jones… - Science …, 2024 - science.org
Phanerozoic orogenic gold mineralization at craton margins is related to the metasomatism
of the lithospheric mantle by crustal material. Slab subduction transfers Au from the crust to …

Titanium in calcium amphibole: Behavior and thermometry

Y Liao, C Wei, HU Rehman - American Mineralogist, 2021 - degruyter.com
Thermometry of high-grade metamorphic rocks is difficult due to fast cationic diffusion during
slow cooling, but the titanium content of calcium amphibole (Ti-Amp) can retrieve amphibole …

Amp-TB2 Protocol and Its Application to Amphiboles from Recent, Historical and Pre-Historical Eruptions of the Bezymianny Volcano, Kamchatka

F Ridolfi, RR Almeev, AY Ozerov, F Holtz - Minerals, 2023 - mdpi.com
This article reports a protocol on the application of Amp-TB2 (single-amphibole
thermobarometry) based on detailed electron-microprobe analyses performed on …

Calculating amphibole formula from electron microprobe analysis data using a machine learning method based on principal components regression

X Li, C Zhang, H Behrens, F Holtz - Lithos, 2020 - Elsevier
We present a new method for calculating amphibole formula from routine electron
microprobe analysis (EMPA) data by applying a principal components regression (PCR) …

Bubble-enhanced basanite–tephrite mixing in the early stages of the Cumbre Vieja 2021 eruption, La Palma, Canary Islands

D González-García, T Boulesteix, A Klügel, F Holtz - Scientific Reports, 2023 - nature.com
Syneruptive magma mixing is widespread in volcanic eruptions, affecting explosivity and
composition of products, but its evidence in basaltic systems is usually cryptic. Here we …

Redox states and genesis of Cu-and Au-mineralized granite porphyries in the Jinshajiang Cu–Au metallogenic belt, SW China: studies on the zircon chemistry

X Bao, W He, J Mao, T Liang, H Wang, Y Zhou… - Mineralium …, 2023 - Springer
Oxygen fugacity (f O2) is a critical factor that controls the formation mechanisms of the
porphyry Cu deposits. However, the differentiation of the f O2 in post-collisional Au …

Generation of arc-like and OIB-like magmas triggered by slab detachment in the eastern Mexican alkaline province: petrological evidence from the Cenozoic sierra de …

LA Elizondo-Pacheco… - Journal of …, 2022 - academic.oup.com
The origin of the Eastern Mexican Alkaline Province has been explained by landward arc
migration and subsequent asthenospheric upwelling after slab roll-back of the Farallon …

Mechanisms of fluid degassing in shallow magma chambers control the formation of porphyry deposits

Z Wang, Y Zheng, B Xu, Z Hou, Y Shen… - American …, 2024 - degruyter.com
Magmatic fluid degassing within shallow magma chambers underneath the ore bodies is
critical to the formation of porphyry Cu-Au deposits (PCDs). Yet, it remains unclear how the …

Sulfide minerals and chalcophile elements in the Pleiades volcanic Field, Antarctica: implications for the distribution of chalcophile metals in continental intraplate …

J Kim, MJ Lee, JI Lee, PR Kyle, X Wang… - … to Mineralogy and …, 2023 - Springer
Fractionation of sulfides during ascent of mantle-derived magmas distributes sulfur and
chalcophile elements into the Earth's lithosphere. It has been suggested that continental …