279:. Trachytes and comenditic rhyolites form the main volume of the rock in the Complex. The ignimbrites have formed massive green sheets ranging in thickness from 15 cm to 25 m. The pumice deposits over the ground are common within Kone's Volcanic Complex and range in thickness from 50 cm to 20 m. Most of the pumice is found interlocked with the ignimbrites. There have been three basalt lava types identified at Kone, aphyric basalt, olivine basalt and a third basalt which contains large phenocrysts of
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252:, which are part of the Wonji fault belt and ring fractures. The normal faults cause magma to rise inducing the volcanic activity. The ring fractures have caused the calderas collapse. Both of these faults have caused activity within Kone's recent history. The calderas widths can range from 1.5 to 5 km.
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Kone's name is a recent addition taken from a local tribal word. The historical name of Kone was
Gariboldi. Named according to local legend after an engineer who was responsible for building a road through two of the collapsed calderas. Thereby connecting
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phase. The most recent basalt phase is dated around 1820. This date corresponds to local legends of the eruption and the lack of vegetation growth on the lava flows provides evidence of this eruption.
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Acocella. V, Korme. T, Salvini. Funciello. R (2002) Elliptic calderas in the
Ethiopian Rift: control of pre-existing structures. Journal of Volcanology and Geothermal Research. 119:189–203
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located 30 km to the northwest, with the Boseti Gudo
Volcano further away to the southeast. Kone takes up an area of 250 square miles and has an elevation of 1619m.
291:. These different rock types provide evidence for different eruptive phases. Kone is unusual due to the number of calderas in the Volcanic Complex,
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The complex tectonic history within
Ethiopia has made the eruption history difficult to interpret from the
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Cole, J.W. (1969) Gariboldi
Volcanic Complex, Ethiopia. Bulletin of Volcanology. 33:566–578
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Cole, J.W. (1969) Gariboldi
Volcanic Complex, Ethiopia. Bulletin of Volcanology.33:566–578
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There are many rock types identified at Kone and they are divided into five main groups,
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the nearest town is 5 km away and the capital of
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four volcanic sequences of eruption can be determined. Three
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is situated 160 km west of Kone. The nearest volcano is
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Kone, also called
Gariboldi, is made up of seven nested
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311:Satellite image of Kone volcanic complex
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389:"Kone Volcano, Ethiopia - John Seach"
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46:1,619 m (5,312 ft)
428:"Kone | Volcano World"
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430:. Volcano.oregonstate.edu
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352:Global Volcanism Program
182:East African Rift Valley
357:Smithsonian Institution
242:Garibaldi Volcanic Belt
176:. It is located on the
30:caldera of Kone volcano
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455:Volcanoes of Ethiopia
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460:Calderas of Ethiopia
200:History of eruptions
74:8.80000°N 39.69167°E
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178:Main Ethiopian Rift
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216:phases and then a
36:Highest point
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432:. Retrieved
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360:. Retrieved
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210:stratigraphy
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318:Addis Ababa
289:plagioclase
265:ignimbrites
190:Addis Ababa
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52:Coordinates
449:Categories
434:2013-11-08
395:2013-11-08
362:2012-05-01
328:References
273:inclusions
271:, syenite
234:lava flows
65:39°41′30″E
261:rhyolites
257:trachytes
186:Borchotto
90:Geography
42:Elevation
322:Djibouti
303:Renaming
297:calderas
238:basaltic
230:calderas
174:Ethiopia
144:Calderas
122:Ethiopia
62:8°48′0″N
293:Fentale
281:olivine
277:basalts
269:pumices
224:Geology
214:Silicic
166:volcano
133:Geology
347:"Kone"
285:augite
218:basalt
164:is a
287:and
275:and
236:and
162:Kone
115:Kone
19:Kone
320:to
283:,
244:in
172:of
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
