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Swath bathymetric investigation of the seamounts located in the Laxmi Basin, Eastern Arabian Sea

 

作者: G. C. Bhattacharya,   G. P. S. Murty,   K. Srinivas,   A. K. Chaubey,   T. Sudhakar,   R. R. Nair,  

 

期刊: Marine Geodesy  (Taylor Available online 1994)
卷期: Volume 17, issue 3  

页码: 169-182

 

ISSN:0149-0419

 

年代: 1994

 

DOI:10.1080/15210609409379725

 

出版商: Taylor & Francis Group

 

关键词: Arabian Sea;Laxmi Basin;morphology;origin;seamount;swath bathymetry

 

数据来源: Taylor

 

摘要:

Multibeam (Hydrosweep) swath bathymetric investigations revealed the presence of a NNW trending linear seamount chain along the axial part of the Laxmi Basin in the eastern Arabian Sea, between 15°N, 70°15'E and 17°20'N, 69°E. This chain consists of three major edifices: RAMAN1and PANIKKAR2seamounts and WADIA2guyot. These seamounts are elongated in plan and have heights and basal areas varying between 1068–2240 m and 300–1210 sq km, respectively. Steep lower flanks, flat plateaus, terraces, secondary peaks, and an extensive dendritic gullie pattern are the identified characteristic morphological features of these seamounts. The origin of these seamounts is attributed to anomalous volcanism resulting from the intersection of the Reunion hotspot with an extinct spreading center.

 

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