The Anabar collision system as an element of the Columbia supercontinent: 600 Ma of compression (2.0–1.3 Ga)

The Anabar collision system as an element of the Columbia supercontinent was investigated. The duration of compression elucidated for the Anabar Shield is comparable with the lifetime of Phanerozoic platforms. The Columbia supercontinent probably was a rather stable continental edifice that was supp...

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Bibliographic Details
Published in:Doklady earth sciences 2007-12, Vol.417 (2), p.1355-1358
Main Authors: Rosen, O. M., Levsky, L. K., Zhuravlev, D. Z., Spetsius, Z. V., Rotman, A. Ya, Zinchouk, N. N., Manakov, A. V., Serenko, V. P.
Format: Article
Language:English
Subjects:
Geology
Plate tectonics
Seismology
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Summary:The Anabar collision system as an element of the Columbia supercontinent was investigated. The duration of compression elucidated for the Anabar Shield is comparable with the lifetime of Phanerozoic platforms. The Columbia supercontinent probably was a rather stable continental edifice that was supported on its sides by inward plunging subduction zones. The data obtained indicate that the crust of ancient supercontinents was stable over a long time. In particular, the Columbia supercontinent is comparable in stability with Phanerozoic platforms.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X07090139