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Doklady Earth Sciences

, Volume 482, Issue 2, pp 1252–1256 | Cite as

Spatial Relations of Gold-Ore Deposits and Cretaceous Granitoid Magmatism in the Chukotka Peninsula

  • A. L. GalyamovEmail author
  • A. V. Volkov
  • A. A. Sidorov
Geology
  • 15 Downloads

Abstract

Analysis of the spatial relations of gold ore occurrences and the enclosing geological environment in the Chukotka Autonomous Okrug (ChAO) has shown that Au–quartz ore occurrences in turbidites are located predominantly in areas of the Early Cretaceous granitoid magmatism with the thick collision-type continental crust. The Cu–Au porphyry deposits are located in areas with complete development of Early Cretaceous magmatism within the outer zone of the Okhotsk–Chukchi volcanoplutonic belt (OChVB). The Au–Ag epithermal deposits are located in the areas of the Late Cretaceous granitoid magmatism within the inner and outer zones of the OChVB. The prospects of island-arc complexes for searching for Kuroku-type Au-bearing ore objects are available.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • A. L. Galyamov
    • 1
    Email author
  • A. V. Volkov
    • 1
  • A. A. Sidorov
    • 1
  1. 1.Institute of Geology of Ore Deposits, Petrography, Mineralogy, and GeochemistryMoscowRussia

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