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Butajiri-Silti Field

Campo vulcanico · Ethiopia · 2281 m

The 1-km-wide, lake-filled Ara-Shetan maar is located at the S end of the Butajiri-Silti volcanic field. It consists of a large group of basaltic scoria cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the W margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of Ethiopia's capital city, Addis Ababa.
The 1-km-wide, lake-filled Ara-Shetan maar is located at the S end of the Butajiri-Silti volcanic field. It consists of a large group of basaltic scoria cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the W margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of Ethiopia's capital city, Addis Ababa. · Foto: Photo by Giday Wolde-Gabriel (Los Alamos National Laboratory). · Wikimedia Commons
Tipo
Campo vulcanico
Paese
Ethiopia
Regione
Eastern Africa Volcanic Regions / Main Ethiopian Rift Volcanic Province
Altitudine
2281 m
Coordinate
8.050, 38.350
Ultima eruzione
Sconosciuto
Contesto tettonico
Rift zone / Continental crust (> 25 km)
Forma vulcanica
Cluster
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

The Butajiri-Silti volcanic field consists of a large group of basaltic cinder cones, maars, and lava flows in an 80-km-long, NE-SW-trending area near the western margin of the Ethiopian Rift. At least 13 maars, many filled by lakes, are located near the town of Debre Zeit, SE of the capital city of Addis Ababa. The maars were erupted through Pleistocene rhyolitic lava flows and tuffs. Eruptions of the younger basaltic cinder cones were contemporaneous with those that produced the maars. Some of the lava flows associated with the cinder cones were considered very young by Di Paola (1972).

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⚠ Solo a scopo informativo. Non adatto a situazioni di emergenza.