Clay minerals in hydrothermal systems

P Fulignati - Minerals, 2020 - mdpi.com
The study of active and fossil hydrothermal systems shows clay minerals to be a
fundamental tool for the identification and characterization of hydrothermal alteration facies …

Low-temperature chlorite geothermometry and related recent analytical advances: a review

F Bourdelle - Minerals, 2021 - mdpi.com
Chlorite, a 2: 1: 1 phyllosilicate, has all the required attributes to form the basis of a
geothermometer: this mineral is ubiquitous in metamorphic, diagenetic, and hydrothermal …

Fungus-like mycelial fossils in 2.4-billion-year-old vesicular basalt

S Bengtson, B Rasmussen, M Ivarsson… - Nature Ecology & …, 2017 - nature.com
Fungi have recently been found to comprise a significant part of the deep biosphere in
oceanic sediments and crustal rocks. Fossils occupying fractures and pores in Phanerozoic …

Effects of clay minerals and organic matter on pore evolution of the early mature lacustrine shale in the Ordos Basin, China

G Wang, Z Jin, Q Zhang, R Zhu, X Tang, K Liu… - Journal of Asian Earth …, 2023 - Elsevier
Pores related to organic matter and clay minerals provide significant storage space for
hydrocarbons in organic-rich shales. However, the pore structure evolution and its related …

Fluid evolution at the Batu Hijau porphyry Cu-Au deposit, Indonesia: Hypogene sulfide precipitation from a single-phase aqueous magmatic fluid during chlorite–white …

M Schirra, O Laurent, T Zwyer… - Economic …, 2022 - pubs.geoscienceworld.org
Abstract Mineralization at the Cu-Au porphyry deposit of Batu Hijau, Indonesia, was
previously reported to be associated mainly within stockwork quartz veins accompanied by …

Deciphering temperature, pressure and oxygen-activity conditions of chlorite formation

O Vidal, P Lanari, M Munoz, F Bourdelle… - Clay Minerals, 2016 - cambridge.org
The advantages and limits of empirical, semi-empirical and thermodynamic methods
devoted to the estimation of chlorite-formation temperature are discussed briefly. The results …

The role of competitive fluid-rock interaction processes in the formation of high-grade gold deposits

L Petrella, N Thébaud, K Evans, C LaFlamme… - … et Cosmochimica Acta, 2021 - Elsevier
Although forming one unified class, orogenic gold deposits may be associated with a range
of ore mineral assemblages controlled by a variety of gold deposition processes that have a …

The ore-forming magmatic-hydrothermal system of the Piaotang W-Sn deposit (Jiangxi, China) as seen from Li-mica geochemistry

H Legros, C Marignac, T Tabary, J Mercadier… - American …, 2018 - degruyter.com
Many studies have proved the usefulness of Li-mica and chlorite geochemistry as indicators
of the chemical and thermal evolution of magmatic systems. This study highlights the …

Elemental behavior during chlorite alteration: New insights from a combined EMPA and LA-ICPMS study in porphyry Cu systems

B Xiao, H Chen - Chemical Geology, 2020 - Elsevier
Chlorite is a common alteration product of fluid-rock interaction in hydrothermal deposits,
and it's compositional variations provides useful information about the physicochemical …

The composition of metapelitic biotite, white mica, and chlorite: a review with implications for solid-solution models

B Dubacq, JB Forshaw - European Journal of Mineralogy, 2024 - ejm.copernicus.org
Biotite, white mica, and chlorite record petrological processes and pressure–temperature
conditions. Unfortunately, their crystal chemistry is complicated and thermodynamic …