Le complexe basique-ultrabasique du Kakoulima (Guinee-Conakry): une intrusion tholeiitique stratifiee liee au rifting de l'Atlantique central

D. Diallo; H. Bertrand; B. Azambre; M. Gregoire; J. Caseiro

Le complexe basique-ultrabasique du Kakoulima (Guinee-Conakry)

une intrusion tholeiitique stratifiee liee au rifting de l'Atlantique central

Translated title of the contribution: The mafic-ultramafic complex of Kakoulima (Guinea-Conakry): a tholeiitic layered intrusion related to the central Atlantic rifting

D. Diallo, H. Bertrand, B. Azambre, M. Gregoire, J. Caseiro

ARC Centre of Excellence for Core to Crust Fluid Systems (incorporation ARC National Key Centre for Geochemical evolution and Metallogeny of Continents (GEMOC))

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

The Kakoulima complex is a tholeiitic layered intrusion more than 1000 m thick, formed at the base by dunites and wehrlites topped by gabbros, mainly noritic. The small range of cryptic layering and the vertical geochemical evolution result from the emplacement of a cumulative pile, the differentiated liquids being restricted to scarce marginal dolerites. The relations with the doleritic sills of Western Guinea and the Central Atlantic rifting are discussed. There is an abridged English version. -English summary

Original language	French
Pages (from-to)	937-943
Number of pages	7
Journal	Comptes Rendus - Academie des Sciences, Serie II
Volume	314
Issue number	9
Publication status	Published - 1992

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abstract = "The Kakoulima complex is a tholeiitic layered intrusion more than 1000 m thick, formed at the base by dunites and wehrlites topped by gabbros, mainly noritic. The small range of cryptic layering and the vertical geochemical evolution result from the emplacement of a cumulative pile, the differentiated liquids being restricted to scarce marginal dolerites. The relations with the doleritic sills of Western Guinea and the Central Atlantic rifting are discussed. There is an abridged English version. -English summary",

author = "D. Diallo and H. Bertrand and B. Azambre and M. Gregoire and J. Caseiro",

year = "1992",

language = "French",

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T1 - Le complexe basique-ultrabasique du Kakoulima (Guinee-Conakry)

T2 - une intrusion tholeiitique stratifiee liee au rifting de l'Atlantique central

AU - Diallo, D.

AU - Bertrand, H.

AU - Azambre, B.

AU - Gregoire, M.

AU - Caseiro, J.

PY - 1992

Y1 - 1992

N2 - The Kakoulima complex is a tholeiitic layered intrusion more than 1000 m thick, formed at the base by dunites and wehrlites topped by gabbros, mainly noritic. The small range of cryptic layering and the vertical geochemical evolution result from the emplacement of a cumulative pile, the differentiated liquids being restricted to scarce marginal dolerites. The relations with the doleritic sills of Western Guinea and the Central Atlantic rifting are discussed. There is an abridged English version. -English summary

AB - The Kakoulima complex is a tholeiitic layered intrusion more than 1000 m thick, formed at the base by dunites and wehrlites topped by gabbros, mainly noritic. The small range of cryptic layering and the vertical geochemical evolution result from the emplacement of a cumulative pile, the differentiated liquids being restricted to scarce marginal dolerites. The relations with the doleritic sills of Western Guinea and the Central Atlantic rifting are discussed. There is an abridged English version. -English summary

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JO - Comptes Rendus - Academie des Sciences, Serie II

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