..., and Herero communities, whose contributions have been represented in previous histories of Tsumeb mostly as: “trouble with the natives” ( Söhnge 1967 , p. 17). This paper addresses the mining district approximately defined by the modern towns of Tsumeb, Otavi, and Grootfontein ( Figures 1A and 1 B...

...SELBY HEARTH ABSTRACT From 1892 to 1895, the South West Africa Company (SWACO) expedition led by geologist Matthew Rogers conducted the first geologic mapping in Namibia’s Otavi Mountains, including the now world-famous Tsumeb Mine. This paper uses archival documents from the Rogers expedition...

... Ambalabe pegmatite Madagascar yes Ertlite NaAl 3 Al 6 (Si 4 B 2 O 18 )(BO 3 ) 3 (OH) 3 O 2023-086 R 3 m Sahatany Valley Madagascar yes Karlseifertite Pb(Ga 2 Ge)(AsO 4 ) 2 (OH) 6 2024-007 R 3 m Tsumeb Mine Namibia yes Argentotennantite-(Fe) Ag 6 (Cu 4 Fe 2 )As 4 S 13 2023...

... Zn dolomites from same districts; dashed line represents field of Zn dolomite from the Warynski mine (Poland) and from Tsumeb (Namibia) (after Rosenberg and Champness, 1989 ). ...

..., IMA 2024-022. CNMNC Newsletter 81, Mineralogical Magazine , 88 , https://doi.org/10.1180/mgm.2024.77 IMA No. 2024-024 Zincostottite ZnGe(OH) 6 Zsto Tsumeb mine, Tsumeb, Namibia (19°15’ S, 17°42’ E) Anthony R. Kampf*, Joy Désor, Chi Ma, Mark D. Welch and Gerhard Möhn...

... paragenesis and the observed As-mineral assemblage in the mine is reviewed and used to provide an understanding of the formation of the oxide zone and the geochemical conditions at the time of formation compared to the operational mining environment. The Tsumeb deposit is located in northeast Namibia...

... ) are also listed.     Azurite (CO 3 ) Azurite Water 1 Air   Malachite (CO 3 ) Azurite Malachite     Sample   δ 18 O δ 13 C δ 18 O Temp. 2 Malachite δ 18 O temp. 4 temp. 5 Δ 6 Δ 7 no. Mine/district, location (SMOW) (PDB) (SMOW) (°C...

..., Mineralogy and Production of the Main Vanadium Mines Ore deposit Host rock Ore type Production Exploitation years References Karavatu Hüttenberg Fm Zn mottramite 5,234 t (together with Uris) at 11.87% V 2 O 5 1919–1924, 1931–1938 Wartha and Schreuder, 1992 Tsumeb West...

... polymetallic sulfide ores mined in the area were historically processed in the Tsumeb smelter, and old slag deposits are now reported as a potential source of Ge (and Ga) (Höll et al. , 2007 ; Frenzel et al. , 2014 ). Our previous investigations of the Tsumeb metallurgical slags of various ages...

..., A. (2013) Zincian dolomite related to supergene alteration in the Iglesias mining district (SW Sardinia) . International Journal of Earth Sciences 102 , 61 – 71 . Bruker (2012) APEXII . Bruker AXS Inc ., Madison, Wisconsin, United States...

... Hermannroseite CaCu(PO 4 )(OH) Tsumeb mine, Tsumeb, Namibia Jochen Schlüter * and Dieter Pohl * E-mail: [email protected] Phosphate analogue of conichalcite Orthorhombic: P 2 1 2 1 2 1 ; structure determined a = 7.328(7), b = 5.769(6), c = 9.123(7) Å 5.710(56...

.... 3. The IR spectra of nickeltsumcorite from Lavrion (1) and tsumcorite from the Tsumeb mine, Tsumeb, Otjikoto Region, Namibia (2). The spectra are shown with a vertical offset. * E-mail: [email protected] Further important evidence concerning the assignment of nickeltsumcorite...

... O 28 )·6H 2 O West Sunday mine, Slick Rock District, San Miguel County, Colorado, USA Anthony R. Kampf, John M. Hughes * , Joe Marty and Barbara Nash * E-mail: [email protected] New structure type Monoclinic: C 2/ m ; structure determined Monoclinic: P 2/ a ; structure...

..., the history of science, the geology and mining history of southwest England, mathematics and computing. He was fascinated by the craftsmanship and development of scientific instruments and in their practical use in mineral optics and goniometry, and also kept up with the latest developments in computational...

... are consistent with the other refinements of the betpakdalite structure and with type betpakdalite corresponding to betpakdalite-CaCa. In the course of this study, we also examined material corresponding to betpakdalite-CaCa from four other localities: the Descubridora mine, Pampa Larga district, Copiapó...

... is deposited within the collections of the University of Firenze (Italy), the Natural History Museum of London (UK) and in the private collections of two of the authors (HP and WHP). The Capillitas mining district is part of the Farallón Negro Volcanic Complex, which is located in the Province...

..., or Baden-Württemberg, Germany httpswww.mindat.org/loc- 1782.html Tsumeb Mine (Ongopolo Mine), mindat:1:2:2428:3 httpswww.mindat.org/1:2:2428:3 Tsumeb, Oshikoto Region, or Namibia httpswww.mindat.org/loc- 2428.html Långban Mine, Långban Ore mindat:1:2:3167:0 httpswww.mindat.org/1:2:3167:0 District...

..., M., Sejkora, J., Makovicky, E. and Tuček, P. (2024) Auropolybasite, IMA 2024-006. CNMNC Newsletter 80, Mineralogical Magazine , 88 , https://doi.org/10.1180/mgm.2024.63 IMA No. 2024-007 Karlseifertite Pb(Ga 2 Ge)(AsO 4 ) 2 (OH) 6 Karl Tsumeb mine, Tsumeb, Namibia (19°15...