Mining: FG presents new airborne geophysical data

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Mining: FG presents new airborne geophysical data

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By Obinna Ezeobi, Abuja PUNCH

Published: Wednesday, 27 Aug 2008

The stage is now set for the entry of big mining companies into Nigeria, with the release of the phase one of the airborne geophysical survey data.

The digital data, which was presented on Tuesday in Abuja, covered 44 per cent of the country, including Sokoto, Kebbi, Zamfara, Kano, Jigawa, Yobe and Kastina states.

Other states covered are Kaduna, Niger, Federal Capital Territory, Benue, Taraba, Adamawa, Kogi and Kwara states.

The list also includes Oyo, Osun, Ekiti, Ondo, Edo, Abia, Akwa Ibom, Ebonyi and Cross River states.

The Director-General, Nigeria Geological Survey Agency, Prof Siyan Malomo, explained that the airborne geophysical survey was a rapid and effective way of discovering mineral deposits.

He explained that the basis for the choice of the areas to be covered under this phase was the likelihood of the occurrence of metallic mineralisation based on the geology that could be of immediate interest to investors.

He noted that the geophysical survey of any country was the bedrock of the mining industry and the first point of call of any serious investor.

Malomo indicated that the airborne survey of the country was last carried out between 1974 and 1976.

According to him, “The survey did not cover substantial part of the country and in comparism to modern surveys, did not have sufficient detail. The line spacing was two kilometers (the distance between flight lines.) In addition it was produced on tapes in analogue format, which does not lend itself to modern day digital usage.”

The DG said that government had in 2001, contracted Messers Fugro Airborne Surveys Limited, to carry out airborne geophysical survey of Ogun State as a pilot scheme.

He added that the survey was completed in 2003 and was followed by on the field study for ground verification and analysis.

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