Seismic stratigraphy of an accommodation-zone margin rift-lake delta, Lake Malawi, Africa

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9 Scopus citations

Abstract

The Ruhuhu River enters Lake Malawi adjacent to an accommodation zone, a major linkage region between two adjacent half-graben basins that switch dip-polarity along the axis of the Malawi Rift. A large drainage basin developed because of the drop in elevation of the rift shoulder at the accommodation zone. Sets of prograding clinoforms are observed at various stratigraphic levels and are interpreted as sand-prone lowstand delta lobes. These prograding packages are 20-50m thick, and typically cover an area of c 10 km2. Such accommodation zone delta margins are considered prospective areas for hydrocarbon exploration because of their enhanced structural closure, high input of coarse clastic material for reservoir facies and close proximity to organic-rich deep-water shales. -from Author

Original languageEnglish (US)
Pages (from-to)183-195
Number of pages13
JournalUnknown Journal
StatePublished - Jan 1 1995
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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