Karlai Shale Fm
Period:
Statherian
Age Interval:
late Statherian
Province:
Proterozoic S.India Pranhita-Godavari west basin
Type Locality and Naming
Lithology and Thickness
Thick shales.
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Underlain by Pandikunta Limestone Fm; with a sea-rise inundating that carbonate platform.
Upper contact
Unconformity, overlain by Jakaram/Damala Gutta Fm at base of Mulug Gr
Regional extent
Approximately coeval with Kotapalle Limestone Fm of Devalmari Gr in Pranhita-Godavari east basin
GeoJSON
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Fossils
Age
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:
0.75
Ending date (Ma):
1,650.00
Depositional setting
Underlying carbonate shelf was inundated by sea-level rise culminating in these thick shales
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.