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More airmag history – and a bit of interpretation

Between 1967 and 1913 aeromagnetic surveys were flown over eastern Papua New Guinea, but the results only became available during the country’s transition to full independence. Overlooked at the time, they now seem to have been largely forgotten

Cobar – aeromagnetic pioneer

In early 1963 Australia’s Bureau of Mineral Resources, the BMR. carried out the first airborne proton magnetometer survey in the country, using the instrument designed and largely built by John Newman.

Who now remembers MIN?

In December 2021, someone from the South Australia Department of Mines and Energy posted a historical note on LinkedIn., with pictures of survey aircraft VH-BUR. It brought vividly to mind the sight, and odour, of her companion, VH-MIN

Wherein lieth the fault?

A paper published in 2014 shows two possible locations for the Owen Stanley Fault Zone in eastern Papua, one based on gravity, the other on geology. Which is right?

A potato for a geoid

In mid-October 2021 an image of the geoid based on data from NASA’s GRACE satellite was posted on LinkedIn. It was an object lesson in the perils of attempting to disseminate science via a platform that restricts posts to 2500 characters and comments to 1250 characters.