Parur Fm
Period:
Cretaceous
Age Interval:
Campanian (outcrop at Vridhachalam area)
Province:
E.India Cauvery Basin
Type Locality and Naming
VRIDHACHALAM OUTCROP: Named after Parur village, Vridhachalam area, TamilNadu. Type locality = 4 km NNE of the Parur village
[Figure 1: Geologic map of Vridhachalam area]
Lithology and Thickness
Sandstone. Pebbly and cobble medium to coarse sandstone, conglomerate and shale. The sandstone is micaceous, with a clayey cement.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Non-conformable on crystalline basement
Upper contact
Conformable with Patti Fm
Regional extent
not available.
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[78.42,10.98],[78.39,9.75],[78.61,9.7],[79.29,10.96],[78.42,10.98]]]]}}
Fossils
unknown.
Age
Campanian (Lahiri et al., 1988)
Age Span:
Beginning stage:
Campanian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
83.65
Ending stage:
Campanian
Fraction up in the ending stage:
1.0
Ending date (Ma):
72.17
Depositional setting
The unit contains sporadic bioclasts of marine origin and is considered to be a Paralic association (Sundaram et al., 2001)
Depositional pattern:
Additional Information
Compiler:
A. Nallapa Reddy & R. Nagendra