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Microfossils from the Nagrota Formation, Upper Siwalik Subgroup, Jammu Hills


Affiliations
1 House No. 441, Sector 6, Panchkula-134 109, India
2 PG. Department of Geology, University of Jammu, Jammu - 180 006, India
     

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The paper records for the first time a small, but interesting microfossil assemblage from the mudstonc beds, underlying the bentonitized tuff band (2.8±0.56 Ma) of the Nagrota Formation, Upper Siwalik Subgroup, Jammu Hills at two localities - Bada Khetar and Uttarbehani. The assemblage comprising ostracodes, charophyte gyrogonites and angiosperm seeds, indicates an Upper Tatrot (Late Pliocene) age and deposition in shallow alkaline lake(s) at depth ranging from 2 to 6 m.

Keywords

Nagrota Formation, Upper Siwalik, Late Pliocene, Lacustrine, Ostracodes, Charophyta, Angiosperm Seed.
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  • Microfossils from the Nagrota Formation, Upper Siwalik Subgroup, Jammu Hills

Abstract Views: 187  |  PDF Views: 2

Authors

S. B. Bhatia
House No. 441, Sector 6, Panchkula-134 109, India
G. M. Bhat
PG. Department of Geology, University of Jammu, Jammu - 180 006, India
S. K. Pandita
PG. Department of Geology, University of Jammu, Jammu - 180 006, India

Abstract


The paper records for the first time a small, but interesting microfossil assemblage from the mudstonc beds, underlying the bentonitized tuff band (2.8±0.56 Ma) of the Nagrota Formation, Upper Siwalik Subgroup, Jammu Hills at two localities - Bada Khetar and Uttarbehani. The assemblage comprising ostracodes, charophyte gyrogonites and angiosperm seeds, indicates an Upper Tatrot (Late Pliocene) age and deposition in shallow alkaline lake(s) at depth ranging from 2 to 6 m.

Keywords


Nagrota Formation, Upper Siwalik, Late Pliocene, Lacustrine, Ostracodes, Charophyta, Angiosperm Seed.