Editor's note: Several new systems have been recently developed for acquiring airborne gravity data and airborne gravity gradiometry data. Therefore, the Meter Reader is currently running a series of articles that feature all commercial systems now available to the exploration industry. This is the third article in this series.

BHP's Project Falcon, a research effort specifically aimed at building the world's first airborne gravity gradiometer (AGG) system, has developed two fully operational systems that are capable of sensitive, high-resolution detection of small variations in the earth's gravity at the level required in exploration for mineral and hydrocarbon resources.

The Falcon...

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