Nagora Gr
Period:
Paleogene
Age Interval:
Maastrichtian through middle Eocene; Subsurface
Province:
E.India Cauvery Basin
Type Locality and Naming
SUBSURFACE
[Figure 1: Type-section Map of Subsurface Formations]
Lithology and Thickness
Dominated by sandstone and claystone. A grouping of Paleocene through middle Eocene sub-surface formations. In approximate lower to upper order: Kamalapuram Fm sandstone / Karaikal Fm claystone / Pandanallur Fm sandstone / Tiruppundi Fm marl
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Unconformable with the Portonovo Fm / Komarakshi Fm.
Upper contact
Conformable with the Niravi Fm / Tirutturaipundi Fm.
Regional extent
GeoJSON
null
Fossils
Age
Maastrichtian through middle Eocene
Age Span:
Beginning stage:
Maastrichtian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
67.88
Ending stage:
Chattian
Fraction up in the ending stage:
1.0
Ending date (Ma):
23.04
Depositional setting
Depositional pattern:
Additional Information
Compiler:
A. Nallapa Reddy & R. Nagendra