[HTML][HTML] Magmatic and hydrothermal evolution of the Skouries Au-Cu porphyry deposit, northern Greece

A Höss, KM Haase, M Keith, R Klemd, V Melfos… - Ore Geology …, 2024 - Elsevier
Abstract The Skouries Au-Cu porphyry deposit is located in northern Greece and hosted by
quartz monzonites and monzogranites of early Miocene age (∼ 20 Myr). The host rocks …

Phase separation and fluid mixing revealed by trace element signatures in pyrite from porphyry systems

M Keith, KM Haase, AR Chivas, R Klemd - Geochimica et Cosmochimica …, 2022 - Elsevier
Porphyry deposits host various trace elements in economic amounts, but the hydrothermal
processes causing their fractionation and enrichment are still not fully understood, but vital to …

Trace element fractionation and precipitation in submarine back-arc hydrothermal systems, Nifonea caldera, New Hebrides subduction zone

M Keith, KM Haase, F Häckel… - Ore Geology …, 2021 - Elsevier
Hydrothermal activity is abundant at volcanic structures in subduction zones, including those
associated with young volcanism in back-arc regions. Fluid boiling is a common process in …

Boiling effects on trace element and sulfur isotope compositions of sulfides in shallow-marine hydrothermal systems: Evidence from Milos Island, Greece

A Schaarschmidt, KM Haase, R Klemd, M Keith… - Chemical …, 2021 - Elsevier
Boiling is a crucial process triggering ore formation in magmatic-hydrothermal systems and
controlling the enrichment of precious and rare metal (loid) s in epithermal-porphyry …

Sources, transport, and deposition of metal (loid) s recorded by sulfide and rock geochemistry: constraints from a vertical profile through the epithermal Profitis Ilias Au …

A Grosche, R Klemd, K Denkel, M Keith, KM Haase… - Mineralium …, 2023 - Springer
Drill core samples from the Profitis Ilias Pb-Zn-Cu-Ag-Au vein mineralization on Milos Island,
Greece provide new insights into (i) the metal sources,(ii) the primary vertical metal (loid) …

Trace metal and sulfur cycling in a hydrothermally active arc volcano: deep-sea drilling of the Brothers volcano, Kermadec arc, New Zealand

AJ Martin, JW Jamieson, CEJ de Ronde… - Mineralium …, 2023 - Springer
Brothers volcano, located on the Kermadec arc north of New Zealand, hosts two
geochemically distinct hydrothermal systems. The NW Caldera and Upper Cone …

Spatial variations in magmatic volatile influx and fluid boiling in the submarine hydrothermal systems of niuatahi caldera, Tonga rear‐arc

JJ Falkenberg, M Keith, KM Haase… - Geochemistry …, 2022 - Wiley Online Library
Submarine caldera volcanoes may host several hydrothermal systems along the caldera
wall and related to volcanic cones. Fluid boiling and magmatic volatile influx are common …

Lithium isotope systematics and water/rock interactions in a shallow-water hydrothermal system at Milos Island, Greece

UT Lou, SF Wu, CF You, CH Chung, E Valsami-Jones… - Marine Chemistry, 2023 - Elsevier
The active venting fluids of Milos Island, located within the southern Aegean Sea, belong to
a shallow-water hydrothermal system (< 200 m depth) that shows chemical compositions …

Trace element and isotope systematics in vent fluids and sulphides from Maka volcano, North Eastern Lau Spreading Centre: Insights into three-component fluid …

L Klose, M Keith, D Hafermaas, C Kleint… - Frontiers in Earth …, 2021 - frontiersin.org
Back-arc spreading centres and related volcanic structures are known for their intense
hydrothermal activity. The axial volcanic edifice of Maka at the North Eastern Lau Spreading …

[HTML][HTML] Arsenic-poor fluids promote strong As partitioning into pyrite

M Kutzschbach, F Dunkel, C Kusebauch… - … et Cosmochimica Acta, 2024 - Elsevier
Pyrite is a ubiquitous sulfide mineral found in diverse geological settings and holds great
significance in the formation of Au deposits as well as the safe utilization of groundwater due …