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Lakshminarayana, S.
- Offshore Structural Trends from Magnetic data over Cauvery Basin, East Coast of India
Abstract Views :194 |
PDF Views:1
Authors
A. S. Subrahmanyam
1,
S. Lakshminarayana
1,
D. V. Chandrasekhar
1,
K. S. R. Murthy
1,
T. C. S. Rao
1
Affiliations
1 National Institute of Oceanography, Regional Centre, Visakhapatnam - 530 017, IN
1 National Institute of Oceanography, Regional Centre, Visakhapatnam - 530 017, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 46, No 3 (1995), Pagination: 269-273Abstract
Detailed analysis of magnetic and bathymetric data over shelf and slope regions of Cauvery basin, east coast of India. between Mahabalipuram and Vedaranyam demarcated three major offshore lineaments trending N-S, NE-SW and E-W. The N-S lineation has been interpreted as due to dyke intrusions. NE-SW lineament reflects the offshore extension of a major basement depression, viz., the Pondicherry depression. E-W lineation, south of Porto Novo reveals a basement high suggesting the seaward extension of Kumbakonam ridge within the Pondicherry depression. The present analysis gives mosaic of a deep seated graben block flanked by rift related volcanic intrusives over the shelf region of the basin.Keywords
Structure, Marine Geophysics, Cauvery Basin.- Marine Magnetic Anomalies as a Link Between the Granulite Belts of East Coast of India and Enderby Land of Antarctica
Abstract Views :179 |
PDF Views:2
Authors
K. S. R. Murthy
1,
M. M. Malleswara Rao
1,
K. Venkateswarlu
1,
A. S. Subrahmanyam
1,
S. Lakshminarayana
1,
T. C. S. Rao
1
Affiliations
1 Regional Centre, National Institute of Oceanography, 176, Lawson's Bay Colony, Visakhapatnam-530017, IN
1 Regional Centre, National Institute of Oceanography, 176, Lawson's Bay Colony, Visakhapatnam-530017, IN