Geochronology of the Nabwal Hills: a record of earliest magmatism in the northern Kenyan Rift Valley
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McDougall, Ian; Watkins, Rod D
Description
The Nabwal Hills, northeast of Lake Turkana, contain a record of magmatism associated with the initiation and early development of the East African Rift System in northernmost Kenya. The predominantly volcanic Asille Group, 1400 m thick, directly overlies metamorphic basement and comprises a sequence of basaltic lava flows with significant intervals of rhyolitic pyroclastic units, and minor intercalations of fluviatile sediments. The basement gneisses yield K-Ar cooling ages on biotite of 510...[Show more]
Collections | ANU Research Publications |
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Date published: | 2006 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/83485 |
Source: | Geological Magazine |
DOI: | 10.1017/S0016756805001184 |
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01_McDougall_Geochronology_of_the_Nabwal_2006.pdf | 603.72 kB | Adobe PDF | Request a copy |
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