As the magma cooled it forced the existing sea-floor away from the Rift on either side. This theory accounted for and united several separate puzzles in marine geology: the youth of the ocean ...

In the geologic history of Earth, shifting plate tectonics are commonplace, and Africa's impending rift is but another chapter in that story. The Earth's continents are far from constant.

As well as the basalt that is erupted into the valley and injected into the rocks below to create new ocean floor, sedimentary rocks will also be deposited within the rift valley. At first the rift ...

The area falls within a geologically active region of the Great Rift Valley that has experienced a number of earthquakes and volcanic events in the last 800 years. Two major volcanic eruptions ...

4-week course in New Mexico studying geologic field methods and the geologic history of North America The incomparable scenery and geology of the Colorado Plateau in northwestern New Mexico and the ...

As the magma cooled it forced the existing sea-floor away from the Rift on either side. This theory accounted for and united several separate puzzles in marine geology: the youth of the ocean ...