The result of a recently completed airborne geophysical survey covering an area of 4,000 sq km surrounding Wawa, Ont., have been released, Mines Minister Sean Conway said recently.
“These are the first results of the second of two major surveys the ministry is conducting over the next few years to augment the geoscience database in areas of the province with high mineral potential,” said Conway.
The maps are available at Ministry of Northern Development and Mines offices in Wawa, Timmins, Sault Ste. Marie, Sudbury, Thunder Bay and Toronto. A complete set of 32 maps will be displayed and sold for $60.
The electromagnetic/magnetic survey is part of a 5-year, $10- million airborne geophysical survey program announced a year ago under the Northern Development Fund.
The results of a similar survey conducted over 6,000 sq km surrounding the city of Timmins were released March 14.
Electromagnetic/magnetic surveys are carried out in areas of high metal exploration potential. Equipment on board an aircraft emits a pulsating electromagnetic field toward the earth, and the earth responds with an altered electromagnetic field. These responses provide clues to the physical properties of the rocks below the surface and potential mineral concentration in the rocks.
The resulting maps can be used for planning surface or underground exploration. This information can reduce prospecting and exploration costs by pinpointing areas of higher mineral potential and eliminating areas of lower potential. MNDM funds these programs to increase the geoscience database and to facilitate exploration and the associated positive economic spinoffs in the north.
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