Gutta Chert Fm
Period:
Calymmian
Age Interval:
early Calymmian
Province:
Proterozoic S.India Pranhita-Godavari east basin
Lithology and Thickness
Chert. Calcareous shale grading to bedded chert
Lithology Pattern:
Chert
Relationships and Distribution
Lower contact
Underlain by Somnur Fm
Upper contact
Overlain by Tarur Nalla Fm
Regional extent
Approximately coeval with Enchencheruvu Chert of Mulug Gr of Pranhita-Godavari west basin
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Calymmian
Fraction up in beginning stage:
0.08
Beginning date (Ma):
1,584.00
Ending stage:
Calymmian
Fraction up in the ending stage:
0.12
Ending date (Ma):
1,576.00
Depositional setting
Unstable shelf, slope to basinal deposit
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.