Aiba Basalt Afar Depression Volcanics Fm
Period:
Paleogene
Age Interval:
Province:
Afar-Yemen Region
Type Locality and Naming
Column: Afar Depression Volcanics
Lithology and Thickness
Aiba Basalt Fm:
LITHOLOGY = The Aiba series is separated from the pre-plume Ashangi series by a regional peneplain.
CALIBRATION = 30% up in the Oligocene.
REFERENCE = Bosworth, W., "The Red Sea and Gulf of Aden Basins", Journal of African Earth Sciences 43 (2005) 334-378
LITHOLOGY = The Aiba series is separated from the pre-plume Ashangi series by a regional peneplain.
CALIBRATION = 30% up in the Oligocene.
REFERENCE = Bosworth, W., "The Red Sea and Gulf of Aden Basins", Journal of African Earth Sciences 43 (2005) 334-378
Lithology Pattern:
Lava
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[41,13],[40,12],[41,11],[42,12],[41,13]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Rupelian
Fraction up in beginning stage:
0.49
Beginning date (Ma):
30.65
Ending stage:
Rupelian
Fraction up in the ending stage:
0.82
Ending date (Ma):
28.47
Depositional setting
Depositional pattern:
Additional Information
long: 41 lat: 12
Compiler: