EESA06H3 Lecture : Lecture 3
Document Summary
There is a plume of hot mantle that rise underneath. It develops a triple junction, which are 3 major fractures. They sit there and fill up with sediments. Frequent eq in ottawa because you have rifts that become reactivated. y triple junction, doming of super continents. y red sea is misnamed. Ocean has a centerline of a mid-ocean ridge. Oceans widen but seas don t. y somalian plate will break away from africa and become a little piece of continental crust. y east africa. Perfect triple junction where red sea, gulf of aden, east african rift. Continuation of rift. y one will be an ocean and the other arms will be failed. y gulf of aden and arm of africa is probably going to be failed. These are lava flows that go for 10s of km. Very fluid lava. y homo habilis is a handy man.
