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Fort Portal Volcano | John Seach
Uganda
0.70 N, 30.25 E
summit elevation 1524 m
Tuff cones
Fort Portal Volcano is located in western Uganda between Lake Albert and Lake Edward. It is situated at the NE end of the Rwenzori Mountains. The volcanic field contained the first recognized example of calciocarbonatite lava.
Fort Portal Volcano contains about 50 vents, and has erupted in three stages.
1) Two NE–SW lines of carbonatite tuff cones were erupted in the first stage.
2) A blanket of tuffs formed the major deposit, defining the Fort Portal field.
3) The final phase involved eruption of lava flows at the SW end of the main line of tuff cones.
Further reading
Barker, Daniel S., and Peter H. Nixon. "High-Ca, low-alkali carbonatite volcanism at Fort Portal, Uganda." Contributions to Mineralogy and Petrology 103.2 (1989): 166-177.
Von Knorring, O. and Du Bois, C.G.B., 1961. Carbonatitic lava from Fort Portal area in western Uganda. Nature, 192(4807), pp.1064-1065.
Fort Portal Volcano Eruptions
No recent eruptions.