Enchencheruvu Chert Fm
Period:
Calymmian
Age Interval:
early Calymmian
Province:
Proterozoic S.India Pranhita-Godavari west basin
Type Locality and Naming
Upper-middle formation (3 of 4) of Mulag Gr
Lithology and Thickness
Chert
Lithology Pattern:
Chert
Relationships and Distribution
Lower contact
Underlies the Rajaram Fm of back-lagoon tidal flat
Upper contact
Overlies Ramgundam Sandstone
Regional extent
Approximately coeval with Guta Chert Fm of Somanpalli Gr in Pranhita-Godavari east basin
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Calymmian
Fraction up in beginning stage:
0.13
Beginning date (Ma):
1,574.00
Ending stage:
Calymmian
Fraction up in the ending stage:
0.18
Ending date (Ma):
1,564.00
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.