Copper-Nickel Sulfide Ore-Bearing Formations
O.A. Duzhikov, V. V. Distler, B. M. Strunin, M.L. Cherman, S.F. Sluzhenikin, 1988. "Copper-Nickel Sulfide Ore-Bearing Formations", Geology and Metallogeny of Sulfide Deposits Noril’sk Region U.S.S.R., O.A. Duzhikov, V.V. Distler, B. M. Strunin, A. K. Mkrtychyan, M.L. Sherman, S.S. Sluzhenikin, A.M. Lurye
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The sulfide copper-nickel deposits of the Noril’sk region (Noril’sk I, Talnakh, Octyabrskaya) were formed during the late Paleozoic to early Mesozoic episode of basaltic extrusion. Spatially and genetically they are related to a group of ultramafic/mafic layered intrusions, and they consist of different types of ores that were formed at different stages. The history of the study of the Noril ‘sk deposits can be considered as a half-century succession of discussions devoted to the source of the ore materials and to the conditions of formation of the mineralization. The most reliable genetic hypothesis is that of the primary magmatic nature of the ore formation as originally proposed by V.K. Kotulsky and M.N. Godlevsky.
The copper-nickel deposits of the Noril’sk region are attributed to the development of a volcanic-intrusive ore-magmatic association. On the basis of their overall geologic-petrologic characteristics and structural-tectonic setting , these deposits can be regarded as an independent event. The major distinguishing characteristic of these deposits is the interconnected development of the ultramafic/mafic and similar (with respect to composition) komatiitic volcanic rocks and layered intrusive complexes which contain disseminated and massive copper-nickel mineralization. The deposits were formed at particular stages in the development of cratons and ancient platforms, and they occur in regions of intercontinental rifting. The major ore-bearing locations in the greenstone belts of Archean cratons (such as Wiluna-Norseman in Australia, the Rhodesian craton in Zimbabwe etc.), the deposits of the Pechenga ore-bearing region in the Pechenga-Imandra-Varzuga belt of the Baltic shield; and the Noril’sk ore-bearing
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The Noril’sk volume is a valuable contribution to the economic geology profession. The translation which is a very literal one from the Russian original, has been ‘donated’ to the Society of Economic Geologists by Falconbridge and Inco. This is the first special publication for the Society. We have two successful series, Reviews in Economic Geology and our Guidebook series. When we were offered this translation we initiated this special publication series. It is hoped that we will continue to pursue and publish other monographs of direct economic interest for our members and the economic geology community at large.
This volume and the accompanying figures (maps), tables and plates presents an excellent overview of the Noril’sk area and the mineralization specific to this region. Considerable awareness of the Noril’sk area has been available through various translations of Russian literature and ever increasing opportunities for western world geoscientists to visit the region. The Society is proud to have this opportunity to provide this comprehensive volume to economic geoscientists.
Many individuals contributed their time, expertise and support. We would like to acknowledge A.J. Naldrett for his efforts in obtaining this translation from Inco and Falconbridge on our behalf. He was also our liaison with the original authors and was very supportive throughout the editing process. Falconbridge initiated the translation and G. Rylkova was contracted to produce a literal translation and we chose to substitute, or identify, a few nonfamiliar Russian terms with equivalent English language terms. However, the substance of the translation has not been changed. The editing concentrated on consistency, accuracy and limited grammatical re-interpretation. A location map and a stratigraphic section were added to the introduction. Suggestions for editing consistency were gratefully received from A. Craigie and R. Horn.
Additional support for production and distribution was received from T. Thompson, J. Robertson, K. Clark.
All figures, tables and plates were redrafted with their interpreted legends by Inco. W. Saftic and W. Peredery provided additional suggestions for drafting format and continuity. Inco and Falconbridge shared all drafting costs and donated this service to the Society of Economic Geologists as well as the translated text. P. Lightfoot gave permission to include the location map and the stratigraphic section in the introduction.
The cover design was produced by C. Podashinsky and the WP formatting was contracted to Keystrokes Business Support Services. Production and printing of the volume was contracted to Citizen Printing Co. Inc. of Fort Collins.