Lasarwan Fm
Period:
Statherian
Age Interval:
late Statherian
Province:
Proterozoic N.India Vindhyan Basin west
Lithology and Thickness
No details yet given. Upward succession of Kalmai Sandstone and Binota Shale.
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Underlain by Palri Member (shale) of Sands Fm
Upper contact
Overlain by Jiran Sandstone Member of Khorip Fm
Regional extent
GeoJSON
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Fossils
Age
See discussion in Lower Vindhyan Gr; for graphic purposes 1660-1610 Ma
Age Span:
Beginning stage:
Statherian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
1,660.00
Ending stage:
Statherian
Fraction up in the ending stage:
0.95
Ending date (Ma):
1,610.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Main sources: S. Sarkar and S. Banerjee (2020), A Synthesis of Depositional Sequence of the Proterozoic Vindhyan Supergroup in Son Valley, Springer Geology, https://doi.org/10.1007/978-981-32-9551-3_2
Basu, P., and Chakrabarti, R. 2020. Origin and evolution of the Vindhyan Basin: A geochemical perspective. Proc. Indian Natn. Sci. Acad., 86: 111-126.