 | | Report (issue) | | in the 19th Century; today, waste dumps at these mines pose relatively few problems because potentially...according to the geologic characteristics of the mines drained. In general, the trend of increasing metal...tables, which in turn control the extent to which mines or mineral deposits are exposed to significant ground...1994, Predicting water contamination from metal mines and mining waste: Notes, Workshop No. 2, International...may extend laterally for over 100 km. Individual mines within these zones often report reserves greater |  | | Book | | period of 40 years on many field trips, visits to mines and expeditions in many parts of the world. Many...University (1954-55 and 1961-62), at the Ministry of Mines (Ethiopian Government) in the period 1956-61 and...copper-zinc mineralization in Trolldalen, Lofoten, N. Norway. Manecki (1965) presented electron-probe results...maucherite developed mainly by replacement of gersdorffite, the latter participating essentially as a component...intergrowths may form by the breakdown of ferroan gersdorffite or by normal replacement of pyrrhotite by niccolite |  | | Report (volume) | | of the supracrustal sequence at Ssesvatn, South Norway: Re-Os dating of Cu-Mo mineral occurrences 319...about the ages of mineral occurrences in southern Norway, which enable them to pinpoint the timing of deformation...sinistral shear/fault zone where many old gold mines are known. Detailed investigations on one major...SturguelChelopech Strip. Annuaire de I'Ecole Superior des Mines et Geologie (Year Book of the Higher Mining and...remarkable example is represented by the huge massive skaras found at the northern contact of the Santa Olalla |  | | Book | | heavily on company reports and on file information in Mines Departments. The fourth aim will be to give the...skarns (e.g. Pine Creek, Strawberry and Black Rock mines) occur in the eastern part of the belt, where the...Colorado, U.S.A. - Tweto,1960; Bindal area, N. Norway - Skaarup,1974; Bohemian massif, Austria - Beran... 1969 Complex, with Be, Sn, W 8. Kristiana, Norway Twelvetrees, 1913 9. "South" China, P.R.C. ...(CaSnB2C>6) was first reported from the island of Arno, Norway (Dana and Ford, 1963), and has subsequently been |  | Nokleberg, W.J., Bundtzen, T.K., Grybeck, D.J., Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., Gorodinksy, M.E. (1993) Metallogenesis of mainland Alaska and the Russian Northeast. Open-File Report Vol. 1993 (93-339) US Geological Survey doi:10.3133/ofr93339 | Report (issue) | | tetrahedrite, pyrrhotite, marcasite, gudmundite, gersdorffite, native antimony, and native silver. Gangue...the sources of PGE minerals recovered in placer mines in Sheep Creek and Dime Creek, and in the Ungalik...Threeman. Many of these deposits were producing mines in the early part of the century. These and the...Bonanza, Jumbo, Erie, Mother Lode, and Green Butte mines. The deposits are localized in the lower, largely...deposits are generally small, but high grade; most mines contain a maximum of a few hundred m of underground |
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