Ar Rajmah Cyrenaica Basin Fm
Period:
Neogene
Age Interval:
Province:
Libya
Type Locality and Naming
Column: Cyrenaica Basin
Lithology and Thickness
Ar Rajmah Fm LITHOLOGY= Formerly known as "Regima Fm" Members include: 1. the basal Binghazi (30m of crystalline, fossiliferous limestones deposited on open-shallow platform), 2. Ash Shulaydimah (Formerly "Sceleidima," which is porous gypsiferous limestone and clays), 3. Masus (hard, crystalline limestone with dolomitic base). and 4. the uppermost Wadi al Qattarah (soft, oolitic limestone with chert nodules). CALIBRATION = 50% Up in Tortonian. 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:
Limestone
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[24,28],[23,27],[24,26],[25,27],[24,28]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Tortonian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
9.44
Ending stage:
Messinian
Fraction up in the ending stage:
0
Ending date (Ma):
7.25
Depositional setting
Depositional pattern:
Additional Information
long: 24 lat: 27
Compiler: