Zarzaitine Fezzan Basin Fm
Period:
Triassic
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Fezzan Basin
Lithology and Thickness
Zarzaitine Fm LITHOLOGY= USGS Chart places this formation at the base of the Muschelkalk Stage in the Middle Triassic. Divided into three units: a lower layer of variegated claystones and fine-grained sandstones which feature dinosaur fossils, a middle unit of claystones, agrillaceous limestones and dolomites with bands of gypsum, and an upper unit of friable, argillaceous sandstones, claystones, and gravels. CALIBRATION = Base of Middle Triassic (Anisian). 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":[[[[15,29],[14,28],[15,27],[16,28],[15,29]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Anisian
Fraction up in beginning stage:
0
Beginning date (Ma):
246.70
Ending stage:
Aalenian
Fraction up in the ending stage:
0
Ending date (Ma):
174.70
Depositional setting
Depositional pattern:
Additional Information
long: 15 lat: 28
Compiler: