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Russian Geological Research Institute (VSEGEI)
Regional Geology and Metallogeny
Journal Contents
2018
75

P.V. REKANT (VSEGEI), V.YA. KABAN’KOV, I.A. ANDREEVA (VNIIOkeangeologia), O.V. PETROV, B.V. BELYATSKY, N.N. SOBOLEV (VSEGEI)

Bedrock sampling in the Lomonosov Ridge as a key to understanding its geological nature

Comprehensive analisis of geological data indicate the heterogeneity of the Lomonosov Ridge basement. Siberian segment is considered to be a northern edge of the Kotel’ny Island block with the Timanian or Grenville basement. The Central segment is coincides with Caledonian deformations front with middle and high grade metamorphism. The North­American segment is supposed to be a hinterland of early Caledonian metamorphic event.
Keywords: Lomonosov Ridge, Hyperborean platform, Arctida, geological bedrocks sampling, IRD, Caledonian deformations front.


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