Wadi Dukhan Cyrenaica Basin Fm
Period:
Cretaceous
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Cyrenaica Basin
Lithology and Thickness
Wadi Dukhan Fm LITHOLOGY= Previously confused with the Tocra Limestone, this Maastrichian unit has now been classified as the Wadi Dukhan formation, which is overlain by the Tocra Limestone, which has been renamed the Apollonia Fm This unit consists of brownish microcrystalline dolomites with very sparse fossil content. CALIBRATION = 50% Up in Maastrichian. REFERENCE = Chart derived from: USGS Correlation Chart and Columnar Section for Rocks in Libya, 1963. Descriptions from: Hallet, Don: Petroleum Geology of Libya, 2002.
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[24,28],[23,27],[24,26],[25,27],[24,28]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Maastrichtian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
69.11
Ending stage:
Danian
Fraction up in the ending stage:
0
Ending date (Ma):
66.04
Depositional setting
Depositional pattern:
Additional Information
long: 24 lat: 27
Compiler: