[HTML][HTML] Bismuth: Economic geology and value chains

E Deady, C Moon, K Moore, KM Goodenough… - Ore Geology …, 2022 - Elsevier
Bismuth occurs in a wide range of mineral deposit types and is usually regarded as a
deleterious by-product. Its classification as a critical raw material by the European …

Love is in the Earth: A review of tellurium (bio) geochemistry in surface environments

OP Missen, R Ram, SJ Mills, B Etschmann, F Reith… - Earth-Science …, 2020 - Elsevier
Tellurium (Te) is a rare metalloid in the chalcogen group of the Periodic Table. Tellurium is
regularly listed as a critical raw material both due to its increased use in the solar industry …

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 …

Formation of hydrothermal tin deposits: Raman spectroscopic evidence for an important role of aqueous Sn (IV) species

C Schmidt - Geochimica et Cosmochimica Acta, 2018 - Elsevier
The speciation of tin and the solubility of cassiterite in H 2 O+ HCl were determined at
temperatures to 600° C using in situ Raman spectroscopy. In addition, information on the …

Pyrite chemistry: A new window into Au-Te ore-forming processes in alkaline epithermal districts, Cripple Creek, Colorado

M Keith, DJ Smith, K Doyle, DA Holwell… - … et Cosmochimica Acta, 2020 - Elsevier
Tellurium has a wide variety of applications, most importantly in the solar energy industry
and is eco-toxicologically significant; however, the magmatic-hydrothermal processes …

Scheelite chemistry from skarn systems: implications for ore-forming processes and mineral exploration

ACR Miranda, G Beaudoin, B Rottier - Mineralium Deposita, 2022 - Springer
The trace element composition of scheelite from 19 well-documented reduced and oxidized
skarn systems was measured by laser ablation-inductively coupled plasma-mass …

Cobalt concentration in a sulfidic sea and mobilization during orogenesis: Implications for targeting epigenetic sediment-hosted Cu-Co deposits

ZJ Qiu, HR Fan, R Goldfarb, AG Tomkins… - … et Cosmochimica Acta, 2021 - Elsevier
The origin of sediment-hosted copper-cobalt deposits (SCDs) within metamorphic terranes
remains contentious, particularly in regard to the timing of mineralization relative to basin …

The role of fluorine in hydrothermal mobilization and transportation of Fe, U and REE and the formation of IOCG deposits

Y Xing, B Etschmann, W Liu, Y Mei, Y Shvarov… - Chemical …, 2019 - Elsevier
The fluorine (F)-rich nature in iron oxide-copper-gold (IOCG) deposits has received much
attention since it was recognized that the giant Olympic Dam (OD) deposit contains> 2 wt …

Enrichment of germanium and associated arsenic and tungsten in coal and roll-front uranium deposits

B Etschmann, W Liu, K Li, S Dai, F Reith, D Falconer… - Chemical …, 2017 - Elsevier
Most of the World's germanium (Ge) is mined from Ge-rich lignite, where it is commonly
associated with elevated arsenic (As), tungsten (W) and beryllium (Be) contents. Over the …

Characterisation of a rare earth element-and zirconium-bearing ion-adsorption clay deposit in Madagascar

R Ram, M Becker, J Brugger, B Etschmann… - Chemical …, 2019 - Elsevier
Abstract The Ambohimirahavavy igneous complex (Ampasibitika intrusion) in Madagascar
hosts a world-class rare-earth element (REE) bearing ion-adsorption clay (IAC) resource. In …