Dagshai Fm
Period:
Paleogene, Neogene
Age Interval:
Late Eocene- Oligocene, Lt. Miocene.
Province:
N.India Lesser Himalaya
Type Locality and Naming
Himachal Pradesh, Named after Dagshai hill in Lesser Himalaya; Subsurface: Kaushaliya River section, H.P. [Original Publication: Medlicott, H. B. 1879. A Manual of the Geology of India. 1st ed. Government of India Press, Calcutta]
Lithology and Thickness
Sandy claystone. Red shale and sandstone intercalations; ~400m.
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Unconformable with Subathu Fm.
Upper contact
Conformable with Kasauli Fm / Dharmsala Fm / Up. Murree Fm
Regional extent
Throughout the Lesser Himalayan part (Named as in Dharmsala in the western H.P. region and Lower Murree Fm in the Kalakot (J and K).
GeoJSON
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Fossils
Poorly preserved plants and fossils woods, fragments of vertebrate’s bones
Age
Age span estimates taken from O.N. Bhargava & Birendra Singh (2021 for Dr. Raju's Lexicon); Singh, Birendra P., 2009. Northwest Himalayan Region. In: D.S.N.Raju and Ravi Misra, Proterozoic and Phanerozoic Integrated Stratigraphy (ONGC Bull. 44, n.2).
Age Span:
Beginning stage:
Priabonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
37.71
Ending stage:
Aquitanian
Fraction up in the ending stage:
1.0
Ending date (Ma):
20.45
Depositional setting
Brackish continental water interval
Depositional pattern:
Additional Information
Najman Bhatia, Bhargava, Ranga Rao, 1970, 1971, 1972
Compiler:
O.N. Bhargava & Birendra Singh.