Local Structure and Crystallization Transformation of Hydrous Ferric Arsenate in Acidic H2O–Fe(III)–As(V)–SO42– Systems: Implications for Acid Mine Drainage and …

X Ma, Z Yuan, J Lin, Y Cui, S Wang, Y Pan… - Environmental …, 2024 - ACS Publications
Hydrous ferric arsenate (HFA) is a common thermodynamically metastable phase in acid
mine drainage (AMD). However, little is known regarding the structural forms and …

Legacy effects of historical gold mining on floodplains of an Australian river

F Colombi, A Holland, D Baldwin, S Lawrence… - Environmental …, 2024 - Springer
The gold rush at the end of the nineteenth century in south-eastern Australia resulted in the
mobilization and re-deposition of vast quantities of tailings that modified the geomorphology …

Weathering products at the historic Qulaan gold prospect, Eastern Desert, Egypt: implication on the mobility and distribution of arsenic, gold and silver

M Ramzey, Y Abd El-Rahman, A Said - Journal of African Earth Sciences, 2021 - Elsevier
Gold mineralization of the historic Qulaan prospect is hosted in hydrothermally altered
rhyolite. A variety of supergene minerals that includes arsenic, gold and silver phases were …

Natural rehabilitation of arsenic-rich historical tailings at the Alexander mine, Reefton, New Zealand

SL Tay, JM Scott, D Craw - New Zealand Journal of Geology and …, 2021 - Taylor & Francis
Mine tailings resulting from orogenic gold processing commonly form arsenic (As)-enriched
environments. A result of this is that they draw environmental attention in modern gold …

Surficial redistribution of gold and arsenic from the Rise and Shine Shear Zone, Otago, New Zealand

J Cudby, JM Scott, D Craw, M Hesson… - New Zealand Journal of …, 2023 - Taylor & Francis
ABSTRACT The historic Come-In-Time gold mine was developed in a∼ 100* 100 m area of
the> 7 km long orogenic Rise and Shine Shear Zone in Otago Schist. The oxidation of …

Stratigraphy and mineralogy of tailings at Macraes gold mine, southern New Zealand

E Weightman, D Craw, T Snow… - New Zealand Journal …, 2022 - Taylor & Francis
Processed tailings in the Mixed tailings impoundment at the Macraes gold mine built up a
sedimentary pile up to 100 m thick between 1990 and 2013. The tailings consist of sand …

Metal redistribution during cementation of historic processing residues, Macraes gold mine, New Zealand

G Kerr, D Craw - New Zealand Journal of Geology and Geophysics, 2021 - Taylor & Francis
Roasted residues from historic gold mine processing at the Golden Point historic reserve
were thoroughly cemented by surfical processes. The cements are composed mainly of …

Heavy metal contamination in the vicinity of gold mine and its environmental impact at Eastern Desert, Egypt

AE Maghraby, HMR Hathout… - Arabian Journal of …, 2023 - Springer
Abstract The Eastern Desert in Egypt is a significant gold-mining region, and its gold mine is
one of the world's oldest. The presence of tailings and slag piles in the vicinity of historical …

Arsenic in groundwater in the Waitaha/Canterbury region

AR Pearson, L Scott, SR Wilson… - Journal of Hydrology …, 2022 - search.informit.org
Arsenic contamination in groundwater affects tens of millions of people worldwide and is
regarded as a major groundwater issue in New Zealand. This study was conducted to …

新西兰南部造山型金矿矿物加工过程的锑迁移和衰减

E Weightman, D Craw, T Snow, G Kerr - Mine Water and the Environment, 2022 - Springer
抽象的新西兰南部Reefton 造山型金矿(生产期2007 年~ 2016 年) 制取砷黄铁矿(FeAsS)
和辉锑矿(Sb 2 S 3) 的硫化物浓缩液时, 矿井水含溶解态砷(As) 和锑(Sb) 高达5 mg/L …