Ras el Hamia Fm
Period:
Triassic
Age Interval:
Induan – Olenekian, Lb1
Province:
Libya
Type Locality and Naming
Column: Tripolitania and Sirte Basin
Synonym:
Lithology and Thickness
Sandy claystone.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
This is the oldest unit in the Tripolitania and Sirte Basin
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Azizia Limestone Fm
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[16.77,28.92],[17.75,23.9],[18.77,23.18],[19.83,23.81],[20.54,23.72],[21.92,24.26],[23.03,26.98],[23.27,30.13],[21.58,30.61],[20.73,31.1],[20.43,32.4],[20.36,33.26],[19.37,33.11],[18.07,33.46],[18.09,34.15],[17.64,35.35],[16.6,34.88],[14.9,33.89],[13.92,32.67],[15.59,31.26],[15,30.64],[16.77,28.92]]]]}}
Fossils
Age
USGS chart places this formation at the base of the Buntsandstein stage in the lower Triassic. Induan - Olenekian
Age Span:
Beginning stage:
Induan
Fraction up in beginning stage:
0.0
Beginning date (Ma):
251.90
Ending stage:
Olenekian
Fraction up in the ending stage:
1.0
Ending date (Ma):
246.70
Depositional setting
Depositional pattern:  
Additional Information
Compiler:
Chart derived from: USGS Correlation Chart and Columnar Section for Rocks in Libya, 1963. Descriptions from: Hallet, Don: Petroleum Geology of Libya, 2002.