Low temperature recrystallisation of alluvial gold in paleoplacer deposits
Detrital gold particles in paleoplacer deposits develop recrystallised rims, with associated
expulsion of Ag, leading to the formation of Ag-poor rims which have been recognised in …
expulsion of Ag, leading to the formation of Ag-poor rims which have been recognised in …
Secondary gold mineralization in the Amani placer gold deposit, Tanzania
SC Dunn, BP von der Heyden, A Rozendaal… - Ore Geology …, 2019 - Elsevier
Abstract The Amani Placer Gold Deposit (APGD) is located in a braided river valley in
southwestern Tanzania and is characterised by large gold nuggets with anomalously fine …
southwestern Tanzania and is characterised by large gold nuggets with anomalously fine …
Two billion years of evolution enclosed in hydrothermal rutile: Recycling of the São Francisco Craton Crust and constraints on gold remobilisation processes
Abstract The Quadrilátero Ferrífero in the São Francisco Craton, Brazil is known for its world-
class gold deposits hosted by the Rio das Velhas greenstone belt (RdV). As in other …
class gold deposits hosted by the Rio das Velhas greenstone belt (RdV). As in other …
Mineralogical and spectral (near-infrared) characterization of Fe-rich vermiculite-bearing terrestrial deposits and constraints for mineralogy of oxia planum, ExoMars …
Oxia Planum is a Noachian plain on Mars. It was chosen as the final landing site for in situ
studies by ExoMars 2022 rover. The main scientific objectives of the mission are to …
studies by ExoMars 2022 rover. The main scientific objectives of the mission are to …
Evaluation of the contributions of gold derived from hypogene, supergene and surficial processes in the formation of placer gold deposits
Placer gold particles have traditionally been considered as either detrital products of
weathering or authigenic minerals growing within placers. Recent advances in …
weathering or authigenic minerals growing within placers. Recent advances in …
Geochemistry and mineralogy of contrasting supergene gold alteration zones, southern New Zealand
Supergene alteration of gold deposits has had important geochemical effects that changed
the mineralogy and textures of near-surface exposures and can affect the economics of gold …
the mineralogy and textures of near-surface exposures and can affect the economics of gold …
Morphological and compositional analysis of alluvial gold: The Fresnedoso gold placer (Spain)
K dos Santos Alves, SB Sánchez, JG Barreiro… - Ore Geology …, 2020 - Elsevier
The Fresnedoso creek gold placer (FGP) in the Moraleja Basin (W Iberian Massif) has been
investigated in terms of morphological, textural and compositional evolution of gold particles …
investigated in terms of morphological, textural and compositional evolution of gold particles …
Unconformities and Gold in New Zealand: Potential Analogues for the Archean Witwatersrand of South Africa
D Craw, N Phillips, J Vearncombe - Minerals, 2023 - mdpi.com
Possible young analogues for regionally extensive unconformities (100 to 400 km2) in the
gold-bearing Witwatersrand Supergroup (Archean, South Africa) occur in the South Island of …
gold-bearing Witwatersrand Supergroup (Archean, South Africa) occur in the South Island of …
Mineralogy and geochemistry of biologically-mediated gold mobilisation and redeposition in a semiarid climate, southern New Zealand
Detrital gold in Late Pleistocene-Holocene placers has been chemically mobilised and
redeposited at the micron scale by biologically-mediated reactions in groundwater. These …
redeposited at the micron scale by biologically-mediated reactions in groundwater. These …
Gold and associated minerals in the Waikaia placer gold mine, Northern Southland, New Zealand
The Waikaia alluvial gold mine is hosted in a Pleistocene paleochannel that is buried
beneath younger sediments beside the Waikaia River. The paleochannel sediments were …
beneath younger sediments beside the Waikaia River. The paleochannel sediments were …