Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Aeromagnetic map of Minnesota, southeastern region, Plate 1

Creator:
Chandler, Val W.
Description:
Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.
Publisher:
Minnesota Geological Survey
Collection:
Minnesota Geological Survey
Place:
Minnesota, United States
Subject:
Environment
Type:
Image
Year:
1991
Contributed by:
Minnesota
More details at