ATTENTION DIAMOND EXPLORERS!

MICHIGAN UPPER PENINSULA AEROMAGNETIC SURVEY

EDCON-PRJ and Airmag Surveys Inc. have completed a non-exclusive aeromagnetic survey over the southeastern part of the Upper Peninsula of Michigan. The area is a known kimberlite province and has potential for diamonds. Specifications have been designed to detect kimberlites which have intruded into lower Paleozoic sedimentary rocks underlying the glacial till that mantles this region.

SPECIFICATIONS

Survey size: 32,400 miles

Flight direction: NE-SW

Line spacing: 1/8 mile (200 meters)

Tie line spacing: 1 mile (1600 meters), NW-SE

Flight elevation: low level

DELIVERABLES

Digital profile and grid data

Maps, scale 1:24,000

• TMI and Flight path (7½' by 15' quadrangles), on mylar
• Reduced-to-Pole TMI, on paper