Vembanad Fm
Period:
Quaternary
Age Interval:
Pleistocene-Holocene
Province:
S.India Kerala Konkan Basin
Type Locality and Naming
SUBSURFACE and OUTCROP: Surface to 60 m depth in Ambalapuzha borehole. [Original Publication: Raha, P.K., and Rajendran C.P., 1984: The Geology of Kerala-Lakshdweep Basin - A Reinterpretation Petroleum Asia Journal]
Lithology and Thickness
Clayey sandstone. Sands, peat, black, sticky, sandy calcareous clays gravel beds with Lateritic gravels, lime shell deposits. Its thickness if 60 m.
[Figure 1: Lithostratigraphy of Kerala-Konkan Basin (from dghindia.gov.in)]
Lithology Pattern:
Soil
Relationships and Distribution
Lower contact
Unconformably overlies Warkali Fm.
Upper contact
Regional extent
GeoJSON
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Fossils
No records.
Age
Pleistocene to Holocene.
Age Span:
Beginning stage: GelasianFraction up in beginning stage: 0.3Beginning date (Ma): Ending stage: HoloceneFraction up in ending stage: 1.0Ending date (Ma):
Beginning stage:
Gelasian
Fraction up in beginning stage:
0.3
Beginning date (Ma):
2.35
Ending stage:
Holocene
Fraction up in the ending stage:
1.0
Ending date (Ma):
0.00
Depositional setting
The formation was deposited under continental environment.
Depositional pattern:
Additional Information
Compiler:
D.S.N Raju