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Bulla Island (Bulli Island; Ostrov Bulla ; Khara-Zire), Caspian Sea, Qobustan (Gobustan; Kobustan) District, Azerbaijan

Aluminium
Bulla Island, Caspian Sea, Qobustan District, Azerbaijan

Photo: Pavel M. Kartashov
Latitude: 39°59'23"N
Longitude: 49°38'36"E
Mud volcano on the same name island (4x5 km size) in the Baku archipelago some km SE of Baku city.
Main volcanic activity episodes were observed in 1857, 1859, 1940, 1947, 1959, 1960 and 1963. The strongest eruptions occurred in 1857 and 1940, when volumes of erupted breccias attained some millions of cubic meters and flame pillars were up to a kilometer high.
The most interesting mineralization (native metals, akdalaite) is connected with ejecta of 1947 eruption.

References

- Novgorodova M.I., Mamedov Yu.G. (1996) Native aluminium from mud volcano of Bulla island (Caspian sea). - Litologiya i poleznye iskopaemye, N4, 339-349 (in Russ.)



External Links

- http://www.maik.rssi.ru/cgi-bin/search.pl?type=abstract&name=litmin&number=4&year=96&page=301 [Link dead. Oct 2011]

Mineral List

Akdalaite
Aluminium
Aragonite
Baryte
Calcite
Cristobalite
Diopside
Goethite
Halite
Hyalophane
Hydroboracite
Illite
Iron
Kaolinite
Magnetite
Nekoite
Nontronite
Okenite
Quartz
Sinjarite
Spinel
Sulphur
Tobermorite
Wüstite


24 entries listed. 23 valid minerals.

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Current server date and time: 8th Oct 2011 18:23:11
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