Rungwe volcano, Tanzania
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Rungwe volcano, Tanzania
The summit of Rungwe volcano is seen from WNW with the scarp resulting from edifice collapse in the background.
At the the left-center is a cone breached by a lava flow towards the S to SW (right).
Rungwe volcano is the largest in the Karonga basin NW of Lake Malawi (Lake Nyasa) and is capped by a 4-km-wide caldera that is breached to the west.
The trachytic caldera is largely filled by a series of youthful-looking uneroded and sparsely vegetated pumice cones, lava domes, and explosion craters.
Rungwe volcano, the largest in the Karonga basin NW of Lake Malawi (Lake Nyasa), is capped by a 4-km-wide caldera that is breached to the west.
The western flanks of the volcano contain hummocky terrain from a debris-avalanche deposit produced by collapse of the summit and western flank.
The trachytic caldera is largely filled by a series of youthful-looking uneroded and sparsely vegetated pumice cones, lava domes, and explosion craters.
The latter are also found on the southern and northern flanks. A large area of basaltic cones and lava flows are found on the NW flank of the volcano. The most recent activity is of probable Holocene age.
PHOTO SOURCE:Photo by Karen Fontijn, 2008 (University of Gent).
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