English Igwisi Hills Cited by user KolbertBot on 01 Sep 2017 The Igwisi Hills are a volcanic field in Tanzania. Three tuff cones are found there, one of which is associated with a lava flow.
English Igwisi Hills Cited by user KolbertBot on 01 Sep 2017 The Igwisi Hills are a volcanic field in Tanzania. Three tuff cones are found there, one of which is associated with a lava flow.