NAGRA bore, Kaisten, Laufenburg, Aargau, SwitzerlandNAGRA-Bohrung, Kaisten, Laufenburg, Aargau, Schweiz (Suisse; Svizzera)
Several boreholes of the NAGRA revealed zoned reduction coronas with roscoelite and ore minerals. One of these boreholes was near Kaisten. Red bed deposits in the Rotliegendes (Permian) of northern Switzerland were encountered at a depth of around 200 m. At lower depths, fossil-rich triassic dolomites were met. Another reduction zone was encountered in a cleft in a tectonically stressed lamprophyre at a depth of 352 m.
Apart from the minerals listed, the studies revealed also U minerals, Ni-Co arsenides, Cu sulphides and Cu arsenides.
22 entries listed. 20 valid minerals.
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- Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
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Locality Updated: San Roque Mine, Sañogasta District, La Rioja, ArgentinaFrom Raúl Jorge Tauber Larry, 20th Apr 2014 23:32:40