Jumbuodiyar Fm
Period:
Devonian
Age Interval:
?Late Devonian (?382-355 Ma)
Province:
NW Himalaya Kumaun-Garhwal Tethyan Himalaya
Type Locality and Naming
Type section is in Jumbuodiyar village in Girthi Valley, Kumaun Tethyan Himalaya, Uttarakhand. [Original Publication: Malviaya et al., 1991]
[Figure 1: Location of the Kumaun-Garhwal region (from Celerier et al., GSA Bull 2009)]
[Figure 2: Geologic map of the Kumaun-Garhwal region (from Celerier et al., GSA Bull 2009)]
Lithology and Thickness
Sandstone. Comprises white ferruginous quartzite. 5-7 m thick
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Conformable contact with the underlying Muth Fm quartzite.
Upper contact
Unconformable contact with the overlying Kali Fm.
Regional extent
Kumaun to Garhwal regions
GeoJSON
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Fossils
Fragmentary plant fossils.
Age
Late Devonian (Malviya et al., 1991; Arora et al., 2002)
Age Span:
Beginning stage:
Givetian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
382.10
Ending stage:
Famennian
Fraction up in the ending stage:
0.5
Ending date (Ma):
365.20
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Birendra Singh & O.N. Bhargava.