Miqrat Fm
Period:
Cambrian
Age Interval:
Late Cambrian (Wuliuan), On1
Province:
Oman
Lithology and Thickness
Sandstone
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Amin Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Andam Fm
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[56.61,25.9],[56.59,25.95],[56.42,24.85],[57.05,24.04],[57.72,23.77],[58.58,23.65],[59.12,22.75],[59.82,22.49],[58.59,21.81],[57.69,19.59],[56.82,18.86],[56.45,18.02],[55.52,17.84],[54.9,16.95],[54.31,17.09],[53.35,16.9],[53.71,16.37],[55.1,16.58],[57.6,17.33],[58.17,17.22],[58.18,18.81],[60.41,21.35],[60.22,22.98],[56.61,25.9]]]]}}
Fossils
Age
Middle Cambrian: Wuliuan-Drumian-Guzhangian. [Pending revision of the GeoJSON, for temporary graphic purposes to avoid overlap with Mahwis Fm, put as upper part of that interval.]
Age Span:
Beginning stage:
Drumian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
502.50
Ending stage:
Guzhangian
Fraction up in the ending stage:
1.0
Ending date (Ma):
497.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From Forbes, G.A., Hansen, H.S.M., and Shreurs, J., 2010. Lexicon of Oman: Subsurface Stratigraphy. Gulf Petrolink, 371 pp. (plus enclosures and CD); and Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13. no. 4