Khatpul Fm
Period:
Mesoproterozoic
Age Interval:
Early Calymmian
Province:
N.India Lesser Himalaya
Type Locality and Naming
Simla (Shali Basin), named after the Khatpul Peak. [Original Publication: Srikantia, S. V. and Sharma, R.P. 1976.Geology of the Shali Belt and adjoining areas. Memoirs Geological Survey of India, 106 (1), 31-166.]
Synonym: Khatpul Member
Lithology and Thickness
Dolomite. Mainly dolostone, local quartz sandstone and shale; 300 m
Lithology Pattern:
Dolomite
Relationships and Distribution
Lower contact
Conformable with the Khaira Fm
Upper contact
Conformable with the Sorgharwari Fm
Regional extent
Baramaon and Slapper Bridge
GeoJSON
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Fossils
Stromatolites- Baicalia, Colonella discreta
Age
(~1590 Ma). Age span from relative thicknesses of the 8 component formations to the 3300 m total span of the Shali Gr (see that entry for explanation)
Age Span:
Beginning stage:
Calymmian
Fraction up in beginning stage:
0.05
Beginning date (Ma):
1,590.00
Ending stage:
Calymmian
Fraction up in the ending stage:
0.07
Ending date (Ma):
1,586.00
Depositional setting
Shallow marine
Depositional pattern:
Additional Information
Compiler:
O.N. Bhargava & Birendra Singh.