Narimanam Gr
Period:
Paleogene, Neogene
Age Interval:
upper Eocene through Miocene; 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. A grouping of upper Eocene through Miocene sub-surface formations. In approximate Upper to Lower (descending) order: Tittachieri Fm sandstone / Vedaranniyam Fm limestone / Madanam Fm limestone / Tirutturaipundi Fm sandstone / Vanjiyur Fm sandstone / Shiyali Fm sandstone / Kovilkalappal Fm claystone / Niravi Fm sandstone
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Unconformable with the Tirupundi Fm / Karaikal Fm / Pandanallur Fm.
Upper contact
Conformable with the Nannilam Fm.
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[80.06,11.96],[79.21,10.44],[80.14,10.29],[80.31,11.26],[80.06,11.96]]]]}}
Fossils
Age
upper Eocene through Miocene
Age Span:
Beginning stage:
Bartonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
41.03
Ending stage:
Piacenzian
Fraction up in the ending stage:
1.0
Ending date (Ma):
2.58
Depositional setting
Depositional pattern:
Additional Information
Compiler:
A. Nallapa Reddy & R. Nagendra