Burphu Fm
Period:
Ediacaran
Age Interval:
Ediacaran
Province:
NW Himalaya Kumaun-Garhwal Tethyan Himalaya
Type Locality and Naming
Reference section: Burphu village, Gori Ganga Valley. Name derived from Burphu village. [Original Publication: Sinha, A.K., 1989. Geology of the Higher Central Himalaya. John Wiley and Sons, Chichester, U. K. 1–219.]
[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
Claystone to quartzite (metamorphic). Carbonaceous slate, phyllite, argillite, pyrite crystals, quartzite. 2000m thick
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Gradational contact with the underlying Rilkot Fm.
Upper contact
Conformably overlain by the Bilju Fm.
Regional extent
Kumaun to Garhwal regions
GeoJSON
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Fossils
None
Age
Precambrian. Considering that it is conformable with overlying "upper?" Ediacaran Bilju Fm, and 2 km thick of sandy claystone, then for graphic purposes shown as lower through middle Ediacaran.
Age Span:
Beginning stage:
Ediacaran
Fraction up in beginning stage:
0.0
Beginning date (Ma):
635.00
Ending stage:
Ediacaran
Fraction up in the ending stage:
0.7
Ending date (Ma):
567.66
Depositional setting
Not available.
Depositional pattern:
Additional Information
Compiler:
Birendra Singh & O.N. Bhargava.