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Strike-slip tectonics and subalkaline mafic magmatism in the early Paleozoic collisional system of the western Baikal region
V. S. Fedorovsky, E. V. Sklyarov, A. E. Izokh, A. B. Kotov, A. V. Lavrenchuk and A. M. Mazukabzov
Strike-slip tectonics and subalkaline mafic magmatism in the early Paleozoic collisional system of the western Baikal region (in Central Asian fold belt; geodynamics and history of continental crust, E. V. Sklyarov (prefacer))
Russian Geology and Geophysics (May 2010) 51 (5): 534-547
Strike-slip tectonics and subalkaline mafic magmatism in the early Paleozoic collisional system of the western Baikal region (in Central Asian fold belt; geodynamics and history of continental crust, E. V. Sklyarov (prefacer))
Russian Geology and Geophysics (May 2010) 51 (5): 534-547
Index Terms/Descriptors
- absolute age
- amphibolite facies
- Asia
- blastomylonite
- brucite marble
- Caledonian Orogeny
- carbonatites
- Commonwealth of Independent States
- deformation
- dikes
- domes
- ductile deformation
- facies
- faults
- folds
- gabbros
- geometry
- granites
- granitic composition
- granulite facies
- igneous rocks
- imagery
- intrusions
- Irkutsk Russian Federation
- lamprophyres
- marbles
- metamorphic rocks
- mylonites
- nepheline syenite
- nesosilicates
- Ordovician
- orientation
- orthosilicates
- Paleozoic
- plate collision
- plate tectonics
- plutonic rocks
- remote sensing
- Russian Federation
- shear
- shear zones
- silicates
- strike-slip faults
- suture zones
- syenites
- tectonics
- thrust faults
- U/Pb
- veins
- zircon
- zircon group
- Olkhon Island
- Central Asian orogenic belt
- Olkhon Terrane
- Birkhin Complex
- Ulan-Nur shear zone
- Tazheran Complex
- Ulan-Nur Massif
Latitude & Longitude
Abstract
We discuss strike-slip tectonics as the key agent in the formation of the Early Paleozoic (Caledonian) collisional system of the western Baikal region. This tectonic setting implies existence of local syncompressional extension, with the ensuing conditions for mantle drainage and magmatism. Lower-middle crust collisional complexes exposed in the Olkhon area of the western Baikal region provide a record of synmetamorphic subalkaline-mafic magmatism associated with the early synorogenic collapse of the Olkhon collisional system, a part of the Central Asian collisional-accretionary belt.
ISSN: 1068-7971
Serial Title: Russian Geology and Geophysics
Serial Volume: 51
Serial Issue: 5
Title: Strike-slip tectonics and subalkaline mafic magmatism in the early Paleozoic collisional system of the western Baikal region
Title: Central Asian fold belt; geodynamics and history of continental crust
Author(s): Fedorovsky, V. S.Sklyarov, E. V.Izokh, A. E.Kotov, A. B.Lavrenchuk, A. V.Mazukabzov, A. M.
Author(s): Sklyarov, E. V.prefacer
Affiliation: Russian Academy of Sciences, Geological Institute,
Moscow,
Russian Federation
Affiliation: Russian Academy of Sciences, Siberian Branch, Institute of the Earth's Crust,
Irkutsk,
Russian Federation
Pages: 534-547
Published: 201005
Text Language: English
Publisher: Allerton Press,
New York, NY,
United States
References: 41
Accession Number: 2021-070958
Categories: Structural geologyGeochronology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables, geol. sketch maps
N52°40'00" - N53°19'60", E106°00'00" - E107°30'00"
Secondary Affiliation: Russian Academy of Sciences, Siberian Branch, Institute of the Earth's Crust,
Irkutsk,
RUS,
Russian FederationRussian Academy of Sciences, Siberian Branch, V. S. Sobolev Institute of Geology and Mineralogy,
Novosibirsk,
RUS,
Russian FederationRussian Academy of Sciences, Institute of Precambrian Geology and Geochronology,
St. Petersburg,
RUS,
Russian Federation
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2021, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2021
