New mapping in Australia has revealed a strange dent in the magnetic field beneath the country's Northern Territory. The Australia Magnetic Anomaly, named after its similarity in shape to the country, ...

Trend surface residual anomaly (TSRA) mapping techniques have been applied to three regions (Fig. 1) to demonstrate their use in the identification of blind structures and trends in areas with ...

Something strange is up with Australia. And for once, it isn’t to do with their wildlife or men’s haircuts. A new geophysical survey by CSIRO has mapped a large "magnetic anomaly" under the Northern ...