Reference for magnetic anomaly identifications is:

Gaina, C., Müller, R. D., Brown, B., Ishihara, T., & Ivanov, S. (2007). Breakup and early seafloor spreading between India and Antarctica. Geophysical Journal International, 170(1), 151-169. doi:10.1111/j.1365-246X.2007.03450.x

Magnetic anomaly picks are a mixture of ones provided by the author and ones digitised from the paper by the EarthByte Group. 

Magnetic anomaly picks in the western Enderby Basin are from the study's preferred model (model 1).