El Hachimi, H. and Youbi, N. and Madeira, J. and Bensalah, M.K. and Martins, L. and Mata, J. and Medina, F. and Bertrand, H. and Marzoli, A. and Munhá, J. and Bellieni, G. and Mahmoudi, A. and Abbou, M.B. and Assafar, H. (2011) Morphology, internal architecture and emplacement mechanisms of lava flows from the Central Atlantic Magmatic Province (CAMP) of Argana Basin (Morocco). Geological Society Special Publication, 357 (1). pp. 167-193.

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The morphology, internal architecture and emplacement mechanisms of the Central Atlantic Magmatic Province (CAMP) lava flows of Argana Basin in Morocco are presented. The volcanic pile was produced by two volcanic pulses. The first, represented by the Tasguint Formation, corresponds to a succession of 3-13 individual flows created by 1-8 eruptions; the second, Alemzi Formation, is composed of 2-7 individual flows formed by 1-4 eruptions. These formations, geochemically distinct, are separated by thin silty or sandy horizons or by palaeosols. They include 'compound pahoehoe flows' and 'simple flows'. The first type is almost exclusive of the lower formation, while the second type dominates the upper formation. The lava flows show clear evidence of endogenous growth or 'inflation'. The characteristics of the volcanic pile suggest slow emplacement during sustained eruptive episodes and are compatible with a continental basaltic succession facies model. © The Geological Society of London 2011.

Item Type: Article
Uncontrolled Keywords: emplacement; geochemistry; geomorphology; lava flow; pahoehoe; paleosol; volcanic eruption, Argana Basin; Guelmim-Es Smara; Morocco
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46
URI: http://eprints.umi.ac.ma/id/eprint/2921

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