ACCRETION OF THE OCEANIC CRUST IN THE MID-ATLANTIC RIDGE (48°–51.5° N) IN THE PROCESS OF “DRY” SPREADING
- Authors: Peyve A.A.1, Nikitin N.S.2, Naumov I.A.1, Lapina S.A.1, Ivanova E.S.1, Dokashenko S.A.1, Dobrolyubov V.N.1, Denisova A.P.1, Veklich I.A.3, Bogolyubsky V.A.1, Patina I.S.1, Razumovskiy A.A.1, Ivanenko A.N.3, Sokolov S.Y.1, Urazmuratova Z.F.4
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Affiliations:
- Geological Institute Russian Academy of Sciences
- Lomonosov Moscow State University, Geological Department
- Institute of Oceanology, Russian Academy of Sciences
- Baltic Federal University
- Issue: Vol 508, No 2 (2023)
- Pages: 155-163
- Section: GEOLOGY
- Submitted: 30.01.2025
- Published: 01.02.2023
- URL: https://edgccjournal.org/2686-7397/article/view/649718
- DOI: https://doi.org/10.31857/S2686739722602083
- EDN: https://elibrary.ru/SQSAIW
- ID: 649718
Cite item
Abstract
The paper is based on geological and geophysical data obtained during 53-th expedition of the research vessel “Akademik Nikolaj Strakhov”. We analyze the structure of Mid-Atlantic Ridge segment, 400 km long in the North Atlantic (between 48° and 51.5° N). According to our studies, this segment is characterized by specific structures formed during the formation of the oceanic crust with reduced basaltic melts supply, which, with going extension in the rift valley, leads to tectonic outcropping of deep lower crustal and mantle rocks. Such processes, called “dry” spreading, were previously unknown in the North Atlantic.
About the authors
A. A. Peyve
Geological Institute Russian Academy of Sciences
Author for correspondence.
Email: apeyve@yandex.ru
Russian, Moscow
N. S. Nikitin
Lomonosov Moscow State University, Geological Department
Email: apeyve@yandex.ru
Russian, Moscow
I. A. Naumov
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
S. A. Lapina
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
E. S. Ivanova
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
S. A. Dokashenko
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
V. N. Dobrolyubov
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
A. P. Denisova
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
I. A. Veklich
Institute of Oceanology, Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
V. A. Bogolyubsky
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
I. S. Patina
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
A. A. Razumovskiy
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
A. N. Ivanenko
Institute of Oceanology, Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
S. Yu. Sokolov
Geological Institute Russian Academy of Sciences
Email: apeyve@yandex.ru
Russian, Moscow
Z. F. Urazmuratova
Baltic Federal University
Email: apeyve@yandex.ru
Russian, Kaliningrad, Moscow
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