Harwal Fm
Period:
Tonian
Age Interval:
Late Tonian
Province:
Proterozoic S.India Bhima Basin
Lithology and Thickness
Shale
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Overlies Katamdevarahalli Limestone Fm
Upper contact
Unconformity to Deccan Traps Fm (end-Cretaceous)
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Tonian
Fraction up in beginning stage:
0.84
Beginning date (Ma):
764.80
Ending stage:
Tonian
Fraction up in the ending stage:
0.86
Ending date (Ma):
759.20
Depositional setting
Offshore muddy shelf
Depositional pattern:
Additional Information
Compiler:
From: Saha D. (Dilip), Patranabis-Deb, S., and Colllins, A.S. (2016) Proterozoic stratigraphy of southern Indian cratons and global context. In: Stratigraphy & Timescales, 1: 1-59.