Alaji Basalts | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Underlies | Pliocene shield volcanoes, locally |
Overlies | Ashangi Basalts, Intra-volcanic sedimentary rock |
Thickness | 220 m (720 ft) |
Lithology | |
Primary | Basalt, Rhyolite |
Other | Trachyte |
Location | |
Coordinates | 12°58′54″N 39°31′11″E / 12.9817°N 39.5198°E |
Region | Tigray |
Country | Ethiopia |
Extent | Ethiopian Highlands |
Type section | |
Named for | Imba Alaje Mountain |
Named by | William Thomas Blanford |
The Alaji (upper) Basalts are the youngest series of the Ethiopian flood basalts. The most recent flows are only 15 million years old.[1][2]
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