Different evolution trends in alkaline evolved lavas from the northern Kenya Rift

2001 ◽  
Vol 32 (3) ◽  
pp. 419-433 ◽  
Author(s):  
K. Kabeto ◽  
Y. Sawada ◽  
T. Wakatsuki
Keyword(s):  
Kenya Rift ◽  
Northern Kenya

Succession of Cainozoic Vertebrate Assemblages from the Northern Kenya Rift Valley

Nature ◽  
1971 ◽  
Vol 233 (5319) ◽  
pp. 389-394 ◽  
Author(s):  
W. W. BISHOP ◽  
G. R. CHAPMAN ◽  
A. HILL ◽  
J. A. MILLER
Keyword(s):  
Rift Valley ◽  
Kenya Rift ◽  
Northern Kenya ◽  
Kenya Rift Valley

Eruptive history and volcano-tectonic evolution of Paka volcanic complex in the northern Kenya rift: Insights into the geothermal heat source

2021 ◽  
Vol 173 ◽  
pp. 103951
Author(s):  
Geoffrey Mibei ◽  
Björn S. Harðarson ◽  
Hjalti Franzson ◽  
Eniko Bali ◽  
Halldór Geirsson ◽  
...  
Keyword(s):  
Heat Source ◽  
Tectonic Evolution ◽  
Volcanic Complex ◽  
Geothermal Heat ◽  
Kenya Rift ◽  
Eruptive History ◽  
Northern Kenya

Calcite lilypads and ledges at Lorusio Hot Springs, Kenya Rift Valley: travertine precipitation at the air-water interface

1999 ◽  
Vol 36 (4) ◽  
pp. 649-666 ◽  
Author(s):  
Robin W Renaut ◽  
Brian Jones ◽  
Caroline Le Turdu
Keyword(s):  
Water Surface ◽  
Microbial Mats ◽  
Hot Springs ◽  
Water Interface ◽  
Kenya Rift ◽  
Similar Morphology ◽  
Northern Kenya ◽  
Air Water Interface ◽  
Capillary Evaporation ◽  
Outflow Channel

Travertine forming at Lorusio Hot Springs in the northern Kenya Rift is constructed mainly by lilypads and ledges. The lilypads are flat, accretionary structures rooted to the substrate that are composed mostly of platy calcite crystals. They grow outward from a nucleus, subparallel to the water surface, at or just below the air-water interface. Precipitation results from rapid degassing of CO2. Ledges, which have a similar morphology and internal structure, are attached to the margin of a spring pool or outflow channel. As they grow laterally, lilypads and ledges may coalesce with their neighbours to produce thin (1-3 cm) beds of travertine, examples of which are exposed in subfossil deposits at the site. Once established, lilypads and ledges modify the outflow and can act as substrates for precipitation of other minerals and colonization by microbes on their cooler subaerial surfaces. Pore fluids are drawn upward through the lilypads by capillary evaporation. Amorphous silica then precipitates as surficial crusts upon microbial mats or forms spicular microstromatolites, some of which also contain calcite laminae. Efflorescent Na-CO3 salts commonly encrust the drier central platforms of the exposed lilypad. The unusual abundance of lilypads and ledges at Lorusio reflects (i) the low-relief setting and the hydrostatic head, which limit terrace development, and (ii) the high temperature (>75°C) of the waters, which inhibits colonization by microbial mats at crystal growth sites. Similar structures form in cave pools, evaporating brines, and freezing water at sites where precipitation is induced by several processes active at the air-water interface.

An integrated geophysical study of the northern Kenya rift

2007 ◽  
Vol 48 (2-3) ◽  
pp. 80-94 ◽  
Author(s):  
Nicolas O. Mariita ◽  
G. Randy Keller
Keyword(s):  
Kenya Rift ◽  
Northern Kenya ◽  
Geophysical Study

Late Pleistocene–Holocene rise and collapse of Lake Suguta, northern Kenya Rift

2009 ◽  
Vol 28 (9-10) ◽  
pp. 911-925 ◽  
Author(s):  
Yannick Garcin ◽  
Annett Junginger ◽  
Daniel Melnick ◽  
Daniel O. Olago ◽  
Manfred R. Strecker ◽  
...  
Keyword(s):  
Late Pleistocene ◽  
Kenya Rift ◽  
Northern Kenya

scholarly journals Short-lived increase in erosion during the African Humid Period: Evidence from the northern Kenya Rift

2017 ◽  
Vol 459 ◽  
pp. 58-69 ◽  
Author(s):  
Yannick Garcin ◽  
Taylor F. Schildgen ◽  
Verónica Torres Acosta ◽  
Daniel Melnick ◽  
Julien Guillemoteau ◽  
...  
Keyword(s):  
Kenya Rift ◽  
Northern Kenya ◽  
Humid Period

Deep seismic sounding in the Turkana depression, northern Kenya Rift

1994 ◽  
Vol 236 (1-4) ◽  
pp. 165-178 ◽  
Author(s):  
Dirk Gajewski ◽  
Andreas Schulte ◽  
Don Riaroh ◽  
Hans Thybo
Keyword(s):  
Deep Seismic Sounding ◽  
Kenya Rift ◽  
Northern Kenya ◽  
Seismic Sounding
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