 | | Journal (volume) | | sphalerite (Iilinjärvi, some shoots of Metsämonttu), d) galena ores which usually also contain precious metals...copper-zinc deposit, 8. Iilinjärvi zinc-lead deposit, 9. Nygruva pyritic ore. FIG. diorite, the leptites contain...Westwards, the prevailing chalcopyrite-sphalerite-galena mineralization grades over to a pyrite -pyrrhotite...which is still to be seen around the old pit »Nygruva». The other old mines of the held lie south of...biotite leptite. The mineral assemblages contain galena, sphalerite, chalcopyrite, pyrrhotite and rarely |  | | Journal (article/letter/editorial) | | deposits from the Trondheim and Sulitjelma districts, Norway: ore lead isotopic considerations J . S . Fox a...M5S IA7 Prospektering A/S, P.B. 83, 1321 Stabekk, Norway Department of Geology, Imperial College, Prince...and eleven from the K61i sequence at Sulitjelma Norway, have been determined. When plotted on 2°7pb/2°4pb-2°6pb/2°4pb...successions of Ordovician age in the Upper Altochthon of Norway have provided that country with most of its mineral...economic importance. The Trondheim region of central Norway has produced 60 M tonnes of Cu-Zn-Ag ore since |  | | Journal (volume) | | drag folds. In the Old fine , about 23 m deep , a galena quartz vein between coarse-grained crystalline...arsenopyrite, pyrrhotite, chalcopyrite, sphalerite, galena, meneghinite, tetrahedrite, native gold and one...minerals are pyrite and arsenopyrite, accompanied by galena and sulphosalts in abundance. The native gold occurs...tetrahedrite usually is present as small dots in galena. In both types of ore the paragenetic relationship...the ore minerals is fairly weil developed, and galena with sulphosalts is obviously the youngest of the |  | | Journal (volume) | | drag folds. In the Old fine , about 23 m deep , a galena quartz vein between coarse-grained crystalline...arsenopyrite, pyrrhotite, chalcopyrite, sphalerite, galena, meneghinite, tetrahedrite, native gold and one...minerals are pyrite and arsenopyrite, accompanied by galena and sulphosalts in abundance. The native gold occurs...tetrahedrite usually is present as small dots in galena. In both types of ore the paragenetic relationship...the ore minerals is fairly weil developed, and galena with sulphosalts is obviously the youngest of the |
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