Po Gutta Sandstone Fm
Period:
Calymmian
Age Interval:
earliest Calymmian
Province:
Proterozoic S.India Pranhita-Godavari east basin
Lithology and Thickness
Sandstone. A thin basal conglomerate with pebbles of shale, sandstone, vein quartz and feldspar set in a micaceous sandy matrix, giving way to a massive to trough and planar cross-stratified subarkosic to quartzose sandstone through sandstone-shale intercalation with common wavy bedding and asymmetric ripples.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Overlies the Kopela Shale Fm
Upper contact
Unconformably overlain by Somandevra Quartzite Fm of lower Albaka Gr
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Calymmian
Fraction up in beginning stage:
0.2
Beginning date (Ma):
1,560.00
Ending stage:
Calymmian
Fraction up in the ending stage:
0.25
Ending date (Ma):
1,550.00
Depositional setting
Lower to upper shoreface
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.