Geological observations on Macquarie Island. Home> Scientific research> Publications> Other> Geological observations on Macquarie Island. Summary Authors:Ivanac J.F. Published in: 1948 Category 3: Article Program area: Geosciences Ivanac J.F. (1948) Geological observations on Macquarie Island, BMR Record 1948/39 This content was last updated 8 months ago on 20 February 2026.