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Sathiyaseelan, S.
- Chronology of Coastal Dune Ridges in Vaigai Prodelta Region, Southeastern Tamil Nadu, India
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Authors
Affiliations
1 Department of Remote Sensing, Bharathidasan University, Tiruchirappalli 620 023, IN
2 Physical Research Laboratory, Ahmedabad 380 009, IN
1 Department of Remote Sensing, Bharathidasan University, Tiruchirappalli 620 023, IN
2 Physical Research Laboratory, Ahmedabad 380 009, IN
Source
Current Science, Vol 120, No 2 (2021), Pagination: 382-388Abstract
The Tamil Nadu coastline, India, has extensive dunes which can be used for inferring quaternary palaeoclimates. In the present study, we aim to determine the chronology of the dunes in the Vaigai prodelta region along the southeastern coastline of the country. Optically stimulated luminescence ages for the elevated beach ridge samples SANK-5, SANK-4, SANK-3, SANK-2 and SANK-1 were estimated to be 0.9 ± 0.1, 1.1 ± 0.1, 1.8 ± 0.2, 5.3 ± 0.4 and 27 ± 2.3 ka respectively, from top to bottom of the section. The first four phases of aeolian activation occurred in marine oxygen isotope stage-1, whereas the ~27 ka age suggests that sediment deposition occurred in marine oxygen isotope stage-3. The luminescence ages were in stratigraphic order, and represent the first dates of aeolian activation in the Vaigai region.Keywords
Aeolian Activation, Chronology, Coastline, Luminescence Ages, Palaeoclimate, Red Dunes.Full Text
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- The Diyodar Meteorite Fall in India
Abstract Views :81 |
PDF Views:52
Authors
Y. Srivastava
1,
A. Kumar
1,
A. Basu Sarbadhikari
1,
D. Ray
1,
V. M. Nair
1,
A. Das
1,
A. D. Shukla
1,
S. Sathiyaseelan
1,
R. Ramachandran
1,
B. Sivaraman
1,
S. Vijayan
1,
N. Panwar
1,
A. J. Verma
1,
N. Srivastava
1,
A. Rani
1,
G. Arora
1,
R. R. Mahajan
1,
A. Bhardwaj
1
Affiliations
1 Physical Research Laboratory, Ahmedabad 380 009, India., IN
1 Physical Research Laboratory, Ahmedabad 380 009, India., IN
Source
Current Science, Vol 124, No 2 (2023), Pagination: 152-154Abstract
No Abstract.Full Text
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