 | | Journal (article/letter/editorial) | | geophysicists discovered the Near-Orsk deposit of Western Kazakhstan in 1967, and until the present, it was studied... along with those of nearby deposits (im. 50 let Oktyabrya, Vesenne-Aralcha, Avangard, e t c . ) , characterize...andesite-basalts; 3 rhyolites and rhyolite-dacites; 4 - gabbro porphyrites; 5 - residuals of country rocks; 6...240 120-400 14 60 20—400 10 60 20-100 13 50 30-70 Pyrite from recrystallization veinlets Large...along the rise and strike, they b e long to the region of transition of porous mag relationships with |  | | Journal (article/letter/editorial) | | pseudomonoclinal steeply-dipping vein-like bodies (Karabash district). The massive sulphide transformation in PTX-gradient...in relation to the geodynamic evolution of the region, as well as the NU interpretation of their geochemical...metamorphosed VMS deposits of the Krasnouralsk ore district are arranged along the eastern margin of the Tagil...2016) and it corresponds to the Mednogorsk ore district (Fig. 1, Table 2). The latter includes low-grade...(epidote-amphibolite and amphibolite facies) in the Karabash ore district, due to regional compression, related to the Ufa |  | | Report (chapter) | | (near-vent) rhyolitic facies associations. In each district, deposits are often preferentially associated...Although studied extensively at the deposit and district scale, many questions remain about the fundamental...considering just one deposit, or even one mining district, but requires global comparisons among districts...out using similar criteria and expertise in each district. The project reported here seeks to carry out...evolution of the volcanic succession. At the mining district scale, this time line in turn represents a particular |  | Maslennikov, V.V., Ayupova, N.R., Herrington, R.J., Danyushevskiy, L.V., Large, R.R. (2012) Ferruginous and manganiferous haloes around massive sulphide deposits of the Urals. Ore Geology Reviews, 47. 5-41 doi:10.1016/j.oregeorev.2012.03.008 | Journal (article/letter/editorial) | | Paleozoic metamorphic massifs including later Paleozoic gabbro-granitoids (Kontar and Libarova, 1997). The VMSbearing...these zones to south are known as the West Mugodjar region, where basal sequences are dominated by basalts...Aidyrlya (Aidyrlya), 29 — Sredneorsk (Priorskoye, 50 Let Oktyabrya), 30 — Verkhne-Orsk (Limannoye), 31 — Berchogur...Buribai deposit is hosted in boninitic basalt and gabbro of the lowermost part of Baymak–Buribai Formation...the Shemoor group of VMS deposits in the Ivdel district (see Fig. 2 (column II). The magnetite-pyrite |
|
