Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Early Permian Plant Microfossils from the Intertrappean Beds of Abor Volcanics, Arunachal Pradesh, India


Affiliations
1 Regional Geological Laboratories, Oil and Natural Gas Commission, Sibsagar 785640, India
2 Geology Section, Oil and Natural Gas Commission, Jorhat 785614, India
     

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Selected samples from the intertrappean beds of Abor Volcanics were macerated for palynofossils in an attempt to provide fossil evidence for their age, The palyno-fossils so far isolated are trilete and monolete microspores, radial monosaccates and striated as well as non-striated disaccate pollen of Early Permian age. The fossil evi· dence suggests similar age to the intertrappean beds and lead to the conclusion that the Abor Volcanics of the studied area viz., Yinkiong, Dalbuing and Mariyong of Dihang valley (Arunachal Pradesh) are of Early Permian age.
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  • Early Permian Plant Microfossils from the Intertrappean Beds of Abor Volcanics, Arunachal Pradesh, India

Abstract Views: 192  |  PDF Views: 2

Authors

Bijai Prasad
Regional Geological Laboratories, Oil and Natural Gas Commission, Sibsagar 785640, India
A. K. Dey
Geology Section, Oil and Natural Gas Commission, Jorhat 785614, India
P. K. Gogoi
Geology Section, Oil and Natural Gas Commission, Jorhat 785614, India
A. K. Maithani
Geology Section, Oil and Natural Gas Commission, Jorhat 785614, India

Abstract


Selected samples from the intertrappean beds of Abor Volcanics were macerated for palynofossils in an attempt to provide fossil evidence for their age, The palyno-fossils so far isolated are trilete and monolete microspores, radial monosaccates and striated as well as non-striated disaccate pollen of Early Permian age. The fossil evi· dence suggests similar age to the intertrappean beds and lead to the conclusion that the Abor Volcanics of the studied area viz., Yinkiong, Dalbuing and Mariyong of Dihang valley (Arunachal Pradesh) are of Early Permian age.