Textural and compositional complexities resulting from coupled dissolution–reprecipitation reactions in geomaterials

A Altree-Williams, A Pring, Y Ngothai, J Brugger - Earth-Science Reviews, 2015 - Elsevier
Texture encompasses 'the overall appearance a rock has because of the size, shape, and
arrangement of its constituent mineral grains'. Textural observations are crucial for …

Applications of surface analytical techniques in Earth Sciences

G Qian, Y Li, AR Gerson - Surface Science Reports, 2015 - Elsevier
This review covers a wide range of surface analytical techniques: X-ray photoelectron
spectroscopy (XPS), scanning photoelectron microscopy (SPEM), photoemission electron …

Metal remobilization and ore-fluid perturbation during episodic replacement of auriferous pyrite from an epizonal orogenic gold deposit

YF Wu, K Evans, JW Li, D Fougerouse… - … et Cosmochimica Acta, 2019 - Elsevier
Mineral-scale episodic replacement of auriferous pyrite by texturally-complex pyrite,
marcasite and minor arsenopyrite occurred in breccia ores from the Daqiao epizonal …

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 …

Enhancing chalcopyrite leaching by tetrachloroethylene-assisted removal of sulphur passivation and the mechanism of jarosite formation

M Kartal, F Xia, D Ralph, WDA Rickard, F Renard, W Li - Hydrometallurgy, 2020 - Elsevier
Chalcopyrite (CuFeS 2) is the primary ore mineral for copper, but leaching of this mineral
under atmospheric conditions is slow due to the formation of surface passivating phases …

[HTML][HTML] Partitioning of arsenic between hydrothermal fluid and pyrite during experimental siderite replacement

C Kusebauch, M Oelze, SA Gleeson - Chemical Geology, 2018 - Elsevier
Arsenian pyrite is the major host mineral of gold in Carlin type gold deposit (CTGD) and
forms during the interaction of H 2 S bearing hydrothermal fluids with Fe-bearing carbonates …

Bio-oxidation behavior of pyrite, marcasite, pyrrhotite, and arsenopyrite by sulfur-and iron-oxidizing acidophiles

A Yadollahi, H Abdollahi, FD Ardejani… - Bioresource Technology …, 2021 - Elsevier
The oxidation of sulfide minerals is of central importance due to the acid mine drainage
(AMD) production. The bio-oxidation of pyrrhotite, pyrite, marcasite, and arsenopyrite was …

A new mode of mineral replacement reactions involving the synergy between fluid-induced solid-state diffusion and dissolution-reprecipitation: A case study of the …

IA Adegoke, F Xia, AP Deditius, MA Pearce… - … et Cosmochimica Acta, 2022 - Elsevier
Mineral replacement reactions are one of the most important phenomena controlling the
geochemical cycle of elements on Earth. In the early years, solid-state diffusion was …

Replacement of Calcite (CaCO3) by Cerussite (PbCO3)

K Yuan, SS Lee, V De Andrade… - … science & technology, 2016 - ACS Publications
The mobility of toxic elements, such as lead (Pb) can be attenuated by adsorption,
incorporation, and precipitation on carbonate minerals in subsurface environments. Here …

Sulfide replacement processes revealed by textural and LA-ICP-MS trace element analyses: example from the early mineralization stages at Cerro de Pasco, Peru

B Rottier, K Kouzmanov, M Wälle… - Economic …, 2016 - pubs.geoscienceworld.org
Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is the
result of three successive mineralizing stages comprising both low-and high-sulfidation …