Abu Shaybah Tripolitania And Sirte Basin Fm
Period:
Triassic
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Tripolitania And Sirte Basin
Lithology and Thickness
Abu Shaybah Fm LITHOLOGY= USGS chart places this formation at the base of the Keuper stage in the late Triassic. Previously named "Bu Sceba." Comprised of variegated fine to coarse-grained sandstone with a few dolomitic horizons toward the top. Deposited in increasing lagoonal/marine environment. CALIBRATION = Base of Late Triassic (Carnian). 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:
Clayey sandstone
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[19,30],[18,29],[19,28],[20,29],[19,30]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Carnian
Fraction up in beginning stage:
0
Beginning date (Ma):
237.00
Ending stage:
Hettangian
Fraction up in the ending stage:
0
Ending date (Ma):
201.36
Depositional setting
Depositional pattern:
Additional Information
long: 19 lat: 29
Compiler: