Sedimentation in large rift lakes: example from the Middle Pleistocene - modern deposits of the Tanganyika Trough, East African Rift System

J. J. Tiercelin; M. Soreghan; A. S. Cohen; K. E. Lezzar; J. L. Bouroullec

Sedimentation in large rift lakes: example from the Middle Pleistocene - modern deposits of the Tanganyika Trough, East African Rift System

J. J. Tiercelin
, M. Soreghan
, A. S. Cohen
, K. E. Lezzar
, J. L. Bouroullec

Research output: Contribution to journal › Article › peer-review

Abstract

The modern geomorphology of Lake Tanganyika is characterized by two main bathymetric basins, North and South, subdivided in a mosaic of seven strongly asymmetric sub-basins, which are all normally half-grabens. Sedimentation associated with border fault margins includes piedmont deposits, colluvial rockfalls, fan deltas and downslope bars, and locally, at N-S/NW-SE crossing faults, hydrothermal sediments and mineralization. Sedimentation related to axial-deep basins is mainly of autochthonous origin. Wide "sheet drape' sequences are formed by homogeneous or laminated organic-rich muds. -Authors

Original language	English (US)
Pages (from-to)	83-111
Number of pages	29
Journal	Bulletin - Centre de Recherche Exploration-Production Elf-Aquitaine
Volume	16
Issue number	1
State	Published - 1992
Externally published	Yes

ASJC Scopus subject areas

Economic Geology

Cite this

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AU - Soreghan, M.

AU - Cohen, A. S.

AU - Lezzar, K. E.

AU - Bouroullec, J. L.

PY - 1992

Y1 - 1992

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AB - The modern geomorphology of Lake Tanganyika is characterized by two main bathymetric basins, North and South, subdivided in a mosaic of seven strongly asymmetric sub-basins, which are all normally half-grabens. Sedimentation associated with border fault margins includes piedmont deposits, colluvial rockfalls, fan deltas and downslope bars, and locally, at N-S/NW-SE crossing faults, hydrothermal sediments and mineralization. Sedimentation related to axial-deep basins is mainly of autochthonous origin. Wide "sheet drape' sequences are formed by homogeneous or laminated organic-rich muds. -Authors

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JO - Bulletin - Centre de Recherche Exploration-Production Elf-Aquitaine

JF - Bulletin - Centre de Recherche Exploration-Production Elf-Aquitaine

IS - 1

ER -

Sedimentation in large rift lakes: example from the Middle Pleistocene - modern deposits of the Tanganyika Trough, East African Rift System

Abstract

ASJC Scopus subject areas

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