Physical, Acoustic and Elastic Properties of Submarine Basalts from Bombay Harbour Area, West Coast of India

Authors

  • L. V. Subba Raju
  • B. Ramalingeswara Rao
  • S. M. Karisiddaiah
  • Y. V. Ramana

Keywords:

Submarine basalts, Bombay harbour, physical, acoustic and elastic properties, cracks, coastal activities

Abstract

Physical, acoustic and elastic properties were determined for submarine basalts from the Elephants islands, Bombay harbour area. Sample densities ranged from 2.39 to 2.98 Mg· m-3, while sound wave velocities showed a scatter of 3.39 to 6.80 km · sec-1 and 1.74 to 4.42 km · sec-1 for longitudinal and transverse waves, respectively. These properties are broadly compatible with the continental basalts of India as well as other parts of the world. Evaluation of analytical results, based on individual least squares solutions amongst various properties and observed property variations, indicates differences in porosity, seawater alteration, and lithological and compositional changes. The significance of the curvilinear relationship between the number of cracks and the longitudinal wave velocity in the specimens is related to coastal and harbour developmental activities.

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Published

1992-04-22

Issue

Vol. 8 No. 2 (1992): Journal of Coastal Research

Section

Articles

License

Authorization for personal use is granted by the Coastal Education and Research Foundation [CERF]. By submitting a manuscript, the authors agree that the copyright for their article is transferred to the publisher if the article is accepted for publication. Assignment of copyright is not required, however, from authors who work for organizations which do not permit such assignment, The copyright covers the exclusive rights to reprduce and distribute the article, inclduing reprints, photographic reproductions, microform, or any other reproductions of a similar nature, and translations.