Djibouti, trending NW from the
Red Sea, contains a broad area of
youthful fissure vents between
Lake Asal and the Ghoubbat al
Kharab gulf. The rift is subaerially
exposed over a 12 km distance
between these two bodies of water
and contains numerous basaltic
cinder and spatter cones. Magma-
water interaction has produced tuff cones, some of which form islands or are
breached by the sea. The most recent lava flows are younger than lake
sediments deposited 5300 years ago. These lavas were thought to have been
erupted during the past 3000 years (Delibrias et al., 1975). The Ardoukôba
fissure erupted in 1978, producing a small cinder cone and lava flows that
covered part of the rift floor near the Red Sea. (Global Volcanism Program))
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HOMEPAGE
5./6. Febr. 2008