Potassium silicate alteration in porphyry copper‑gold deposits: a case study at the giant maar-diatreme hosted Grasberg deposit, Indonesia

RW Henley, T Mernagh, C Leys, U Troitzsch… - Journal of Volcanology …, 2022 - Elsevier
Potassium silicate alteration is a hallmark of the porphyry copper deposits that supply two
thirds of the world's annual copper demand. These deposits formed in the cores of calc …

Textural characterization of unidirectional solidification textures related to Cu–Au deposits and their implication for metallogenesis and exploration

A Müller, D Kirwin, R Seltmann - Mineralium Deposita, 2023 - Springer
Ten rock samples with unidirectional solidification textures (USTs) from nine Asian and
Australian porphyry and intrusion-related Au deposits and prospects were investigated in …

Quartz texture and the chemical composition fingerprint of ore-forming fluid evolution at the Bilihe porphyry Au deposit, NE China

J Hong, D Zhai, M Keith - American Mineralogist, 2024 - degruyter.com
Quartz is widely distributed in various magmatic-hydrothermal systems and shows variable
textures and trace element contents in multiple generations, enabling quartz to serve as a …

Distribution and composition of gold in porphyry gold systems: example from the Biely Vrch deposit, Slovakia

P Koděra, J Kozák, J Brčeková, M Chovan, J Lexa… - Mineralium …, 2018 - Springer
Abstract The Biely Vrch deposit in the Western Carpathians is assigned to the shallow,
sulfide-poor porphyry gold deposit type and has an exceptionally low Cu/Au ratio. According …

Migration and focusing of porphyry deposit-forming fluids through aplitic mush of the Saginaw Hill cupola, Arizona, United States

LC Carter, BJ Williamson - Frontiers in Earth Science, 2024 - frontiersin.org
Porphyry-type Cu±Au±Mo deposits form in the upper (ca. 2–5 km deep) parts of large, long-
lived magmatic-hydrothermal systems in which mineralising fluids are thought to be derived …

Stable Isotope (δ18O, δD) Composition of Magmatic Fluids Exsolved from an Active Alkaline Magma Chamber—The Case of the AD 79 Magma Chamber of Vesuvius

P Fulignati, AJ Boyce - Minerals, 2023 - mdpi.com
This work documents, for the first time, the calculated oxygen and hydrogen isotope
composition of the brines exsolved from the peripheral margin of the active magma alkaline …

The Mechanism of Fluid Exsolution and Sn–W Precipitation: Example from the Hongling Pb–Zn Polymetallic Deposit and the Surrounding Area in Northern China

X Shan, Y Xie, Q Yu, J Chen, C Yu, J Xia, A Liu - Minerals, 2023 - mdpi.com
Metal migration and precipitation in hydrothermal fluids are important topics in economic
geology. The Hongling polymetallic deposit comprises one of the most important parts of the …