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Journal Article
Published: 01 November 2024
Russ. Geol. Geophys. (2024) 65 (11): 1302–1315.
... experiment silver gold tin sphalerite hydrothermal systems The possibility of Au and Ag incorporation in significant amounts in In-bearing sphalerite at high temperatures (> 700 °C) following the scheme Me + + In 3+ ↔ 2Zn 2+ (Me + = Au + , Ag + , Cu + ) is shown in ( Tonkacheev et al., 2019...
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First thumbnail for: Origin of Au-Ag Mineralization in Sphalerite Ores ...
Second thumbnail for: Origin of Au-Ag Mineralization in Sphalerite Ores ...
Third thumbnail for: Origin of Au-Ag Mineralization in Sphalerite Ores ...
Journal Article
Published: 24 May 2024
Mineralogical Magazine (2024) 88 (5): 557–564.
..., Germany. Theuerdankite occurs as aggregates of anhedral grains up to 3 mm in size, growing in cavities of strongly supergene-weathered material consisting of native silver and chlorargyrite (but with calcite present). It is dark violet, changing to reddish and black when exposed to the air and light...
FIGURES
First thumbnail for: Theuerdankite, Ag 3 AsO 4 , a new mineral from the...
Second thumbnail for: Theuerdankite, Ag 3 AsO 4 , a new mineral from the...
Third thumbnail for: Theuerdankite, Ag 3 AsO 4 , a new mineral from the...
Journal Article
Journal: Economic Geology
Published: 01 May 2024
Economic Geology (2024) 119 (3): 617–641.
... as a dextral transcurrent fault during a D 3 deformation event. Copper-zinc-silver prospects and minor occurrences are abundant in the Powell block northwest of the Joliet breccia ( Fig. 2 ). Although all were studied in detail, only the Powell F-zone and Powell D-zone ( Fig. 6 ) data are presented...
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First thumbnail for: Discriminating Superimposed Alteration Associated ...
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Third thumbnail for: Discriminating Superimposed Alteration Associated ...
Journal Article
Published: 01 May 2024
Russ. Geol. Geophys. (2024) 65 (5): 623–637.
...N.V. Astakhova; O.N. Kolesnik; A.S. Astakhov; X. Shi; L. Hu; A.V. Alatortsev Abstract ––We studied the distribution of gold, silver, and platinum group elements (Pd, Pt, Rh, Ir, and Ru) in two bottom sediment cores of the southern Chukchi Sea. It is shown that the Holocene pelite–silty sediments...
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First thumbnail for: Precious Metals in the Holocene Sediments of the C...
Second thumbnail for: Precious Metals in the Holocene Sediments of the C...
Third thumbnail for: Precious Metals in the Holocene Sediments of the C...
Journal Article
Journal: Geosphere
Published: 12 April 2024
Geosphere (2024) 20 (3): 647–677.
... accounting for >70% of the gold produced in the United States ( Roberts, 1966 ; Muntean et al., 2018 ). The northern Shoshone Range contains three mining districts (Hilltop, Lewis, and Bullion), with silver discovered in the Lewis district in 1867 and gold discovered in the Bullion district in 1905...
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First thumbnail for: Contrasting constraints on the temporal and spatia...
Second thumbnail for: Contrasting constraints on the temporal and spatia...
Third thumbnail for: Contrasting constraints on the temporal and spatia...
Journal Article
Published: 01 February 2024
Jour. Geol. Soc. India (2024) 100 (2): 241–249.
...), antimony, arsenic, beryllium, bismuth, caesium, copper, chromium, cobalt, gallium, germanium, gold, graphite (natural), hafnium, helium, indium, lithium, molybdenum, nickel, niobium, phosphate, platinum group metals (PGMs), potash, rare earth elements (REEs), rhenium, rubidium, scandium, selenium, silver...
FIGURES
First thumbnail for: Carbonate-hosted U-deposit in the Tummalapalle Are...
Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 08 November 2023
Lithosphere (2023) 2023 (1): lithosphere_2023_208.
... different correlations with gold solubility and gold fineness. Average rates of change for the correlations are quantified, showing distinct values in the four pH-log f O 2 fields of (I) HSO 4 − , (II) SO 4 2− , (III) H 2 S, and (IV) HS − , where dominant gold and silver complexes have different...
FIGURES
First thumbnail for: 3D Plotting of Gold Solubility and Gold Fineness: ...
Second thumbnail for: 3D Plotting of Gold Solubility and Gold Fineness: ...
Third thumbnail for: 3D Plotting of Gold Solubility and Gold Fineness: ...
Journal Article
Published: 01 June 2023
Geochemistry: Exploration, Environment, Analysis (2023) 23 (2): geochem2022-066.
... geochemistry to explore for Au mineralization has faced some challenges. For this type of mineralization, the best pathfinder element is Au itself; however, the sensitivity of the technique remains to be improved for Au and other precious metals including silver (Ag). For example, at the time of sample...
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First thumbnail for: Gold exploration using groundwater in Western Aust...
Second thumbnail for: Gold exploration using groundwater in Western Aust...
Third thumbnail for: Gold exploration using groundwater in Western Aust...
Journal Article
Published: 05 December 2022
Geochemistry: Exploration, Environment, Analysis (2022) 22 (4): geochem2022-029.
FIGURES
First thumbnail for: Modelling spatial uncertainty of geochemical anoma...
Second thumbnail for: Modelling spatial uncertainty of geochemical anoma...
Third thumbnail for: Modelling spatial uncertainty of geochemical anoma...
Journal Article
Published: 01 December 2022
Clays and Clay Minerals (2022) 70 (6): 809–823.
...Qiuzhi He; Qingze Chen; Runliang Zhu; Jing Du; Shiya He; Guocheng Lv; Cheng Gu; Aiqin Wang Abstract Supported silver nanoparticles (Ag NPs) have been used extensively as antibacterial agents in biomedicine, biotechnology, and environmental remediation. However, a facile and scalable method...
FIGURES
First thumbnail for: Palygorskite Supporting Homogeneously Dispersed Ag...
Second thumbnail for: Palygorskite Supporting Homogeneously Dispersed Ag...
Third thumbnail for: Palygorskite Supporting Homogeneously Dispersed Ag...
Journal Article
Published: 03 October 2022
American Mineralogist (2022) 107 (10): 1901–1909.
... of America 2022 Mineralogical Society of America Pyradoketosite silver antimony sulfosalt crystal structure new mineral Monte Arsiccio mine Apuan Alps Tuscany Italy More than 150 Ag-chalcogenides are currently known as valid mineral species, mainly represented by sulfosalts (e.g...
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First thumbnail for: Pyradoketosite, a new, unexpected, polymorph of Ag...
Second thumbnail for: Pyradoketosite, a new, unexpected, polymorph of Ag...
Third thumbnail for: Pyradoketosite, a new, unexpected, polymorph of Ag...
Journal Article
Journal: Geophysics
Published: 13 June 2022
Geophysics (2022) 87 (4): B255–B267.
FIGURES
First thumbnail for: 3D self-potential tomography of seafloor massive s...
Second thumbnail for: 3D self-potential tomography of seafloor massive s...
Third thumbnail for: 3D self-potential tomography of seafloor massive s...
Journal Article
Published: 25 March 2022
Mineralogical Magazine (2022) 86 (2): 340–345.
... K. In the high-temperature structure, the A module layer is identical to that at room temperature. On the contrary, in the B module layer silver atoms are distributed along a diffusion path thus leading to a quasi-liquid displacement for these ions. This is characteristic of superionic...
FIGURES
First thumbnail for: Ferrofettelite, [Ag 6 As 2 S 7 ][Ag 10 FeAs 2 S 8 ...
Second thumbnail for: Ferrofettelite, [Ag 6 As 2 S 7 ][Ag 10 FeAs 2 S 8 ...
Third thumbnail for: Ferrofettelite, [Ag 6 As 2 S 7 ][Ag 10 FeAs 2 S 8 ...
Journal Article
Published: 22 December 2021
Mineralogical Magazine (2022) 86 (4): 577–585.
... of General Chemistry , 81 , 1288 – 1301 . Sluzhenikin S.F. and Mokhov A.V. ( 2015 ) Gold and silver in PGE-Cu-Ni and PGE pres of the Noril`sk deposit, Russia . Mineralium Deposita , 50 , 465 – 492 . Smith D.G.W. and Nickel E.H. ( 2007 ) A system for codification...
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First thumbnail for: Sluzhenikinite, Pd 15 (Sb 7- x Sn x ) 3 ≤ x ≤ 4, a...
Second thumbnail for: Sluzhenikinite, Pd 15 (Sb 7- x Sn x ) 3 ≤ x ≤ 4, a...
Third thumbnail for: Sluzhenikinite, Pd 15 (Sb 7- x Sn x ) 3 ≤ x ≤ 4, a...
Journal Article
Journal: Geology
Published: 16 December 2021
Geology (2022) 50 (4): 422–426.
...Jean Milot; Janne Blichert-Toft; Mariano Ayarzagüena Sanz; Chloé Malod-Dognin; Philippe Télouk; Francis Albarède Abstract Silver played a key role in the progressive monetization of early Mediterranean civilizations. We combine Pb and Ag isotopes with volatile trace elements (Bi, Sb...
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First thumbnail for: <span class="search-highlight">Silver</span> isoto...
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Journal Article
Published: 01 December 2021
American Mineralogist (2021) 106 (12): 2003–2019.
... in the veins ( Fig. 3 ). Pyrite, galena, chalcopyrite, sphalerite, hematite, acanthite, native gold, electrum, and native silver are present in the ores ( Fig. 4b ). Altaite, petzite, hessite, and melonite are rare. Electrum (>95%) is the major gold- and silver-bearing mineral, with the remaining ~5% in Au...
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First thumbnail for: Oxygen isotope evidence for input of magmatic flui...
Second thumbnail for: Oxygen isotope evidence for input of magmatic flui...
Third thumbnail for: Oxygen isotope evidence for input of magmatic flui...
Journal Article
Published: 01 October 2021
Russ. Geol. Geophys. (2021) 62 (10): 1139–1156.
..., pentlandite, and silver tellurides (volynskite, empressite). It is well seen that pyrrhotite is replaced by pyrite, and calcite, by siderite ( Fig. 7 a , b ). Quartz and siderite form a fine-grained aggregate of subgraphic structure, which replaces the original rock layer by layer. The highly ferroan...
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First thumbnail for: Geologic Structure, Mineralogy, and Geochemistry o...
Second thumbnail for: Geologic Structure, Mineralogy, and Geochemistry o...
Third thumbnail for: Geologic Structure, Mineralogy, and Geochemistry o...
Journal Article
Published: 13 September 2021
The Canadian Mineralogist (2021) 59 (4): 667–712.
... circular inclusion was identified with two “interlocking” phases, palladodymite(?) and keithconnite ( Table 7 analysis 12, Table 8 analysis 5). Other spherical inclusions were observed but were too small (≤1 μm) for definitive identification. Gold is nearly always alloyed with silver...
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First thumbnail for: Platinum and gold placer from Tugidak Island, Alas...
Second thumbnail for: Platinum and gold placer from Tugidak Island, Alas...
Third thumbnail for: Platinum and gold placer from Tugidak Island, Alas...
Journal Article
Published: 18 August 2021
Canadian Journal of Earth Sciences (2022) 59 (2): 123–133.
...Julien Kimmig; Brian R. Pratt The Selwyn basin and Mackenzie platform of northwestern Canada house an array of mineral deposits and prospects that are rich in silver, including Neoproterozoic red-bed or Kupferschiefer-type Cu and lower Paleozoic sedimentary exhalative (SEDEX) and Zn–Pb deposits...
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First thumbnail for: Evidence for microbially mediated <span class="sea...
Second thumbnail for: Evidence for microbially mediated <span class="sea...
Third thumbnail for: Evidence for microbially mediated <span class="sea...
Journal Article
Journal: Economic Geology
Published: 01 August 2021
Economic Geology (2021) 116 (5): 1239–1248.
... . Jian , W. , Mao , J.W. , Lehmann , B. , Li , Y.H. , Ye , H.S. , Cai , J.H. , and Li , Z.Y. , 2020 , Lingbaoite, AgTe 3 , a new silver telluride from the Xiaoqinling gold district, central China : American Mineralogist , v. 105 , p. 745 – 755 . Jiang , N. , Xu...
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First thumbnail for: Au-Ag-Te–RICH MELT INCLUSIONS IN HYDROTHERMAL GOLD...
Second thumbnail for: Au-Ag-Te–RICH MELT INCLUSIONS IN HYDROTHERMAL GOLD...
Third thumbnail for: Au-Ag-Te–RICH MELT INCLUSIONS IN HYDROTHERMAL GOLD...