Kimberlite pipes Fm
Period:
Stenian
Age Interval:
latest Stenian
Province:
Proterozoic S.India – Cuddapah basin
Type Locality and Naming
Lithology and Thickness
Diamond-bearing kimberlite
Lithology Pattern:
Volcanics
Relationships and Distribution
Lower contact
Erupted into the Srisailam Quartzite Fm ? Below that formation is a tectonic contact spanning over 200 Myr
Upper contact
Unconformably overlain by Banganapalli Quartzite Fm of the Kurnool Gr
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[80.38,16.74],[79.24,15.25],[79.73,13.45],[77.64,14.72],[77.99,16],[80.38,16.74]]]]}}
Fossils
Age
Dated as ca. 1090 Ma => mid-Stenian
Age Span:
Beginning stage:
Stenian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
1,100.00
Ending stage:
Stenian
Fraction up in the ending stage:
0.6
Ending date (Ma):
1,080.00
Depositional setting
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.