Dafla Fm
Period:
Neogene
Age Interval:
Late Miocene
Province:
Arunachal Pradesh
Type Locality and Naming
The type section is in Bhareli river section, between Tipi and Main Boundary Fault (MBF).
Lithology and Thickness
Sandstone to claystone. Alternate bands of sandstone, shale and clay. 3800 m thickness of North of Likhabali.
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Gradational contact with the Kimi Fm.
Upper contact
Gradational contact with the Subansiri Fm.
Regional extent
Easternmost Lesser Himalayas.
GeoJSON
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Fossils
Zizyphus indicus, Dicotylophyllum dioscoreoides, Singh and Prakash (1980), Trochammina sp. Ranga Rao, (1983).
Age
Late Miocene.
Age Span:
Beginning stage:
Tortonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
11.63
Ending stage:
Messinian
Fraction up in the ending stage:
1.0
Ending date (Ma):
5.34
Depositional setting
Depositional pattern:
Additional Information
Compiler:
D.S.N Raju