Taouratine Fezzan Basin Fm
Period:
Jurassic
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Fezzan Basin
Lithology and Thickness
Taouratine Fm LITHOLOGY= USGS chart places this formation at the base of the Dogger stage in the Middle Jurassic. Shale overlain by sandstone. Composed of three units: a lower layer of alternating sandy claystones and ferruginous sandstones with plant and vertebrate fossils, a middle sandy dolomitic limestone layer, and an upper layer of claystones, friable sandstones, and occasional limestones. CALIBRATION = Base of Middle Jurassic (Aelenian). 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:
Aalenian
Fraction up in beginning stage:
0
Beginning date (Ma):
174.70
Ending stage:
Valanginian
Fraction up in the ending stage:
0
Ending date (Ma):
137.70
Depositional setting
Depositional pattern:
Additional Information
long: 15 lat: 28
Compiler: