Platinoid deposits of the North-Asian craton and its framing: Metallogeny and geodynamics

D. A. Dodin, G. V. Polyakov, O. A. Dyuzhikov, A. F. Korobeinikov, E. A. Landa, V. N. Melkomukov, G. L. Mitrofanov, A. V. Savitskii

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Regularities in occurrence and formation of leading commercial and potentially commercial platinoid deposits in the North-Asian craton and its framing are tentatively defined. These deposits are associated with taphrogenic structures of the Aldan-Severnaya-Zemlya, Far-East, Arctic, Amur-Altai, and Central-Asia-Chinese Pt-bearing belts. Globally, these structures are related to deep-seated faults and demonstrate anomalies in the Earth's crust and multistage character of geodynamic cycles, tectonomagmatic and minerogenic processes complicated or transformed by taphrogenesis, separation, and subduction. As a result, ore-forming systems became polygenetic and polychronous, and not only the belts themselves but also their separate constituents (Pt-bearing provinces) consist of many formations. Circum-cratonic zoning marked by Riphean, Paleozoic, and Mesozoic black-shale complexes has been recognized in distribution of Pt-bearing structure-formational complexes. This zoning reflects the geochemical evolution of the Earth's crust and mantle. The objects which are the most promising for platinum metals are localized by higher-rank taphrogenic zones, and the platinoid ore genesis is related to subduction and fluid-thermal phenomena. The relationship between geodynamic processes and Pt-ore-forming systems, as it is described in this paper, reflects, as a rule, general regularities in the metallogeny and geodynamics of the region.

Original languageEnglish
Pages (from-to)1619-1634
Number of pages16
JournalGeologiya i Geofizika
Volume40
Issue number11
Publication statusPublished - 1999

Fingerprint

geodynamics
craton
zoning
thermal phenomena
subduction
Riphean
black shale
platinum
Paleozoic
mantle
anomaly
fluid
metal
ore
earth's crust
Central Asia
distribution
province

Keywords

  • Geodynamics of platinoid ore genesis
  • Metallogeny and platinum metals
  • North-Asian craton
  • Pt-forming ore-magmatic and ore-metasomatic systems
  • Taimyr-Noritsk province

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Dodin, D. A., Polyakov, G. V., Dyuzhikov, O. A., Korobeinikov, A. F., Landa, E. A., Melkomukov, V. N., ... Savitskii, A. V. (1999). Platinoid deposits of the North-Asian craton and its framing: Metallogeny and geodynamics. Geologiya i Geofizika, 40(11), 1619-1634.

Platinoid deposits of the North-Asian craton and its framing : Metallogeny and geodynamics. / Dodin, D. A.; Polyakov, G. V.; Dyuzhikov, O. A.; Korobeinikov, A. F.; Landa, E. A.; Melkomukov, V. N.; Mitrofanov, G. L.; Savitskii, A. V.

In: Geologiya i Geofizika, Vol. 40, No. 11, 1999, p. 1619-1634.

Research output: Contribution to journalArticle

Dodin, DA, Polyakov, GV, Dyuzhikov, OA, Korobeinikov, AF, Landa, EA, Melkomukov, VN, Mitrofanov, GL & Savitskii, AV 1999, 'Platinoid deposits of the North-Asian craton and its framing: Metallogeny and geodynamics', Geologiya i Geofizika, vol. 40, no. 11, pp. 1619-1634.
Dodin DA, Polyakov GV, Dyuzhikov OA, Korobeinikov AF, Landa EA, Melkomukov VN et al. Platinoid deposits of the North-Asian craton and its framing: Metallogeny and geodynamics. Geologiya i Geofizika. 1999;40(11):1619-1634.
Dodin, D. A. ; Polyakov, G. V. ; Dyuzhikov, O. A. ; Korobeinikov, A. F. ; Landa, E. A. ; Melkomukov, V. N. ; Mitrofanov, G. L. ; Savitskii, A. V. / Platinoid deposits of the North-Asian craton and its framing : Metallogeny and geodynamics. In: Geologiya i Geofizika. 1999 ; Vol. 40, No. 11. pp. 1619-1634.
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