CSIR-National Institute of Oceanography;
Dona Paula;
Goa 403004;
India;
Marine Science;
School of Earth;
Ocean and Atmospheric Sciences;
Goa University;
Goa 403206;
India;
Formerly with CSIR-National Institute of Oceanography;
Dona Paula;
Goa 403004;
India;
CSIR-National Geophysical Research Institute;
Hyderabad;
Telangana 500007;
India;
Department of Earth Science;
Pondicherry University;
Pondicherry 605014;
India;
Fe-rich spherules; deep-sea sediments; hydrovolcanic activity; CIOB;