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- Title
Extension in the Baikal rift and the depth of basalt magma generation.
- Authors
Ivanov, A. V.; Demonterova, E. I.
- Abstract
The article presents a study which aims to determine the depth of formation of primary basalt magmas under different volcanic fields in the Baikal Rift System based on chemical composition of volcanic products. It notes on the gravimetrical data that the value of the extension in the rift increases linearly from the pole towards the South Baikal depression and elaborates on the fact that crustal extension is compensated by magma intrusion. Moreover, the study also considers the inflow of deep mantle matter in generation of basalt magmas.
- Subjects
BAIKAL Range (Russia); RUSSIA; RIFTS (Geology); MAGMATISM; GEOLOGICAL research; VOLCANIC fields; BASALT; MAGMAS; VOLCANOLOGICAL research; CRUST of the earth; GEOCHEMISTRY
- Publication
Doklady Earth Sciences, 2010, Vol 435, Issue 2, p1564
- ISSN
1028-334X
- Publication type
Article
- DOI
10.1134/S1028334X10120032