Marar Fezzan Basin Fm
Period:
Carboniferous
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Fezzan Basin
Lithology and Thickness
Marar Fm LITHOLOGY= Cycles of silty green-grey claystone, micaceous siltstones, and feldspathic-quartz sandstones. Cross-bedding and ripple marks are common, and there is usually a conglomerate at the base. Fossils of large mounds of red and purple stromatolitic alga common throughout the unit. CALIBRATION = Base of Tournaisian. 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:
Tournaisian
Fraction up in beginning stage:
0
Beginning date (Ma):
359.30
Ending stage:
Visean
Fraction up in the ending stage:
0.5
Ending date (Ma):
338.54
Depositional setting
Depositional pattern:
Additional Information
long: 15 lat: 28
Compiler: