[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 …

Trace elemental and sulfur-lead isotopic variations in metamorphosed volcanogenic massive sulfide (VMS) mineralization systems: An example from the Keketale Pb …

PP Yu, Y Zheng, CM Wang - Ore Geology Reviews, 2020 - Elsevier
The effects of post-VMS (volcanogenic massive sulfide) deformation/metamorphism on
sulfide trace element and sulfur-lead isotopic compositions remain unclear. The greenschist …

Effects of fluid boiling on Au and volatile element enrichment in submarine arc-related hydrothermal systems

JJ Falkenberg, M Keith, KM Haase, W Bach… - … et Cosmochimica Acta, 2021 - Elsevier
Abstract Shallow (< 1500 mbsl) submarine arc-related hydrothermal systems can host base
(Cu), precious (Au) and volatile elements (As, Se, Sb, Te, Tl) in significant quantities. Their …

Did the Troodos ophiolite of Cyprus form during subduction inception?

J Ribeiro, CJ MacLeod, CJ Lissenberg - Chemical Geology, 2023 - Elsevier
Understanding whether ophiolites formed during subduction inception or above long-lived
subduction zones poses an outstanding challenge as modern examples of incipient …

Constraining temporal variations in metal and sulfur sources using high-resolution mineral-scale analysis of pyrite: evidence from the Brothers volcano, Kermadec arc …

AJ Martin, JW Jamieson, CEJ de Ronde, GD Layne… - Mineralium …, 2023 - Springer
Variations in trace metal contents and sulfur isotope ratios (δ34S) within pyrite, at the scale
of individual mineral grains, preserves a record of temporal fluctuations in the source of …

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) …

[HTML][HTML] Temperature-controlled Se-S isotope fractionation during seawater mixing and sulfide precipitation in black smoker chimneys

A Grosche, M Keith, R Klemd, H Strauss… - … et Cosmochimica Acta, 2024 - Elsevier
Submarine hydrothermal venting leads to the formation of black smoker chimneys with
complex internal zoning. These emerge through mineral precipitation under changing fluid …

Sulfur sequestration and redox equilibria in volcanic gases

RW Henley, TP Fischer - Journal of Volcanology and Geothermal Research, 2021 - Elsevier
Although It has long been recognized that sub-volcanic gas-solid reactions involving iron
play a major role in determining the redox state (RH= log f H 2 f H 2 O) of discharging gases …

Mineral-scale variation in the trace metal and sulfur isotope composition of pyrite: Implications for metal and sulfur sources in mafic VMS deposits

AJ Martin, I McDonald, JW Jamieson, GRT Jenkin… - Mineralium …, 2021 - Springer
The link between metal enrichment and the addition of a magmatic volatile phase in
volcanogenic massive sulfide deposits and actively forming seafloor massive sulfide …