Chilallo Volcano, Arsi Zone, Oromia Region, Ethiopiai
| Regional Level Types | |
|---|---|
| Chilallo Volcano | Volcano |
| Arsi Zone | Zone |
| Oromia Region | Region |
| Ethiopia | Country |
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Latitude & Longitude (WGS84):
7° 53' North , 39° 18' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Other/historical names associated with this locality:
Chilalo; Cilallo; Chilala
Large volcanic cone on the eastern shoulder of the Ethiopian rift valley. It is elliptical in plan and covers 30 x 20 km with 6 km diameter summit caldera around the inner rim of which are very large, radially disposed dikes.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ 'Glass' Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ Quartz Formula: SiO2 Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
| ⓘ Sanidine Formula: K(AlSi3O8) Reference: Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Glass' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Sanidine | K(AlSi3O8) |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Na | Sodium | |
| Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Al | Aluminium | |
| Al | ⓘ Sanidine | K(AlSi3O8) |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Sanidine | K(AlSi3O8) |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| K | Potassium | |
| K | ⓘ Sanidine | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Geochronology
Mineralization age: Pleistocene : 2.54 Ma to 1.74 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Phanerozoic | ||||||||||
| Cenozoic | ||||||||||
| Quaternary | ||||||||||
| Pleistocene |
| |||||||||
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Woolley, A. R. (2001). Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London, p. 85.
Abebe, B., Boccaletti, M., Mazzuoli, R., Bonini, R., Tortorici, M., & TRUA, L. (1998). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift). 1: 50,000 scale.
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. A. (1966). Geological report on the Lake Langano and adjacent plateau regions. Bull. Geophys. Obs. Addis Ababa, 9, 59-75.
Woldegabriel, G., Aronson, J. L., & Walter, R. C. (1990). Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102(4), 439-458. doi.org/10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2
Trua, T., Deniel, C., & Mazzuoli, R. (1999). Crustal control in the genesis of Plio-Quaternary bimodal magmatism of the Main Ethiopian Rift (MER): geochemical and isotopic (Sr, Nd, Pb) evidence. Chemical Geology, 155(3-4), 201-231. doi.org/10.1016/S0009-2541(98)00174-0
Other Regions, Features and Areas containing this locality
Africa
- East African Rift System (EARS)Zone (Tectonic)
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