Yadhalli Fm
Period:
Orosirian
Age Interval:
Middle Orosirian
Province:
Proterozoic S.India Kaladgi Basin
Type Locality and Naming
Upper-middle formation (6 of 9) of Kaladgi Gr and uppermost of its Lokapur Subgroup (6 of 6)
Lithology and Thickness
Shale/slate
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Underlain by Muddapur Fm marl
Upper contact
Disconformity; then basal conglomerate of Kundargi Fm (base of Simikere Subgroup)
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Orosirian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
1,925.00
Ending stage:
Orosirian
Fraction up in the ending stage:
0.52
Ending date (Ma):
1,920.00
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.