Milliolite Fm
Period:
Quaternary
Age Interval:
Pleistocene to Holocene
Province:
W.India Kutch Basin
Type Locality and Naming
COASTAL OUTCROP. Named after Milliolites (Foraminifera) which are abundant in the formation. [Original Publication: Biswas, S.K. (1971) Note on the geology of Kutch. Quarterly Journal Geological, Mining and Metallurgical Society of India. Vol. 43 (4), pp. 223-225.
Lithology and Thickness
Limestone. It consists of pelletoidal, sandy oncolites, sandy pelmicrite in calcareous sandstone.
[Figure 1: The milliolite-rich rocks of Kutch and Kathiawar (Western India) (after Biswas, S.K 1971).]
Lithology Pattern:
Sandy limestone
Relationships and Distribution
Lower contact
Assumed to be underlain by Sandhan Fm (but not exposed)
Upper contact
Present surface
Regional extent
GeoJSON
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Fossils
Species of Laginidae, Rotalidae and Millioidae are the main fossils.
Age
Pleistocene to Holocene
Age Span:
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
Eolian environment to probable littoral
Depositional pattern:
Additional Information
Compiler:
D.S.N Raju