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- Title
Mesozoic-Cenozoic sedimentation in the Circum-Arctic belt. 3: Miocene-Pliocene.
- Authors
Levitan, M.; Antonova, T.; Gel'vi, T.
- Abstract
Recent literature data on the Circum-Arctic belt were compiled to revise the global lithological-paleogeographic maps for the Neogene series published by Ronov, Khain, and Balukhovskii in 1989. The Circum-Pacific belt is bounded by the present-day break of continental shelf of the Arctic Ocean in the north and by 60° N latitude in the south. The legend was simplified by removal of climatic and tectonic information, with emphasis placed on mapping the lithofacies zoning. The areas and volumes occupied by sediments of distinguished lithofacies zones and definite rock groups were calculated for each map. Based on these data, the masses of dry sedimentary and volcanic matter, as well as their accumulation rates were determined. The revealed tendencies in the distribution of these quantitative parameters of the Circum-Arctic belt were compared to the corresponding global trends for separate Mesozoic-Cenozoic stages, except for the Quaternary period. The contribution of regional factors was established for sedimentation and magmatism. It was concluded that the sedimentation history in the region was mainly controlled by global tectonic trends and may be subdivided into several stages.
- Subjects
SEDIMENTATION &; deposition; PALEOGEOGRAPHIC maps; STRUCTURAL geology; LITHOFACIES; MESOZOIC Era; CENOZOIC Era; NEOGENE Period
- Publication
Geochemistry International, 2015, Vol 53, Issue 11, p937
- ISSN
0016-7029
- Publication type
Article
- DOI
10.1134/S0016702915110038