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Basement configuration of KG offshore basin from magnetic anomalies

DRS at CSIR-National Institute of Oceanography

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Title Basement configuration of KG offshore basin from magnetic anomalies
 
Creator Subrahmanyam, V.
Swamy, K.V.
Raj, N.
 
Subject GEOLOGY AND GEOPHYSICS
GEOLOGY AND GEOPHYSICS
GEOLOGY AND GEOPHYSICS
GEOLOGY AND GEOPHYSICS
 
Description Marine magnetic anomalies along three representative profiles falling between shelf break and continent-ocean boundary in the offshore Krishna-Godavari basin were quantitatively interpreted for understanding the nature and structure of the magnetic basement using inversion technique. The interpretation of the anomalies shows that the magnetic basement lies deeper than the base of the sediments, i.e., acoustic basement identified by the seismic studies. This interpretation also shows that the magnetic basement is faulted along the NW-SE direction with the upthrown side lying to the north of the anomaly trend of this region. The coincidence of magnetizations observed through the present interpretation with that of charnockites of neighbouring EGMB and onshore K-G basin areas indicates that EGMB geology (charnockites, granitic gneiss, etc.) extends up to COB in the offshore K-G basin
 
Date 2016-06-14T07:07:33Z
2016-06-14T07:07:33Z
2016
 
Type Journal Article
 
Identifier Journal of Earth System Science, vol.125(3); 2016; 663-668
http://drs.nio.org/drs/handle/2264/4982
 
Language en
 
Rights Copyright [2016]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Indian Academy of Sciences