Devalmari Gr
Period:
Statherian
Age Interval:
late Statherian
Province:
Proterozoic S.India Pranhita-Godavari east basin
Type Locality and Naming
Lithology and Thickness
Sandstone, claystone and limestone. Upward succession of Amba Gutta Fm, Madhumtorna Shale Fm and Kotapalle Limestone Fm
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Unconformable onto basement of Bhopaalpatnam granulate and granite gneiss
Upper contact
Unconformably overlain by the Bodela Vagu Fm at base of Somanpalli Gr
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[79.28,20.07],[79.69,19.75],[81.77,16.74],[81.4,16.64],[79.6,19.08],[79.27,19.75],[79.28,20.07]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Statherian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
1,700.00
Ending stage:
Statherian
Fraction up in the ending stage:
0.75
Ending date (Ma):
1,650.00
Depositional setting
Tidal 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.