Nubian Sandstone Cyrenaica Basin Fm
Period:
Cretaceous
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Cyrenaica Basin
Lithology and Thickness
Nubian Sandstone Fm LITHOLOGY= Nubian (Sarir, Calanscio) Sandstone - Fluvial and lacustrine sandstones, ranging from very fine to coarse-grained; poorly sorted and often in a clay matrix. Basal conglomerate present in most places. Cross-bedding and ripple marks are common. Unfossiliferous. CALIBRATION = Base of Valanginian. 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:
Sandy claystone
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:
Valanginian
Fraction up in beginning stage:
0
Beginning date (Ma):
137.70
Ending stage:
Cenomanian
Fraction up in the ending stage:
0
Ending date (Ma):
100.50
Depositional setting
Depositional pattern:
Additional Information
long: 24 lat: 27
Compiler: