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Bulletin Volcanologique

, Volume 36, Issue 1, pp 251–265 | Cite as

Jebel Marra, a dormant volcano in Darfur Province, Western Sudan

  • J. R. Vail
Article

Abstract

The geology of the Tertiary-Recent Marra mountains is shown on photogeological maps and described using data from short field visits and from previous literature. The 200 km long mass is aligned N-S parallel to basement trends; it comprises a stratified complex 2000 m thick of olivine basalts, pyroclastics and trachytes. Coarse detrital deposits testify to concomitant erosion. The spectacular Deriba caldera contains a deep crater lake and associated hot springs and fumeroles. The Marra mountains lie at the intersection of two transcontinental tectono-volcanic zones, ENE from Cameroon to Red Sea and SSE from Libya to Kenya.

Keywords

Volcanic Rock Sudan Tufa Crater Lake Volcanic Field 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Stabilimento Tipografico Francesco Giannini & Figli 1972

Authors and Affiliations

  • J. R. Vail
    • 1
  1. 1.Department of GeologyUniversity of KhartoumSudan

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