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Gombe group basalts and initiation of pliocene deposition in the Turkana depression, northern Kenya and southern Ethiopia

Haileab, Bereket; Brown, F H; McDougall, Ian; Gathogo, P

Description

A little before 4 Ma ago, deposition of Pliocene and Pleistocene strata described as the Omo Group began in the Turkana and Omo basins of northern Kenya and southern Ethiopia. Soon after, basaltic magma erupted as thin lava flows, and intruded as dykes into the oldest Pliocene strata of the basin. These flows and intrusions are similar petrographically and geochemically, and mark a basaltic magmatic event spanning latitudes from 2°45′ N to 6°45′ N at a longitude of about 36° E. By 3.94 Ma, this...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/86354
Source: Geological Magazine

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