Aeromagnetic anomalies over part of the Midcontinent rift region

Midcontinent aeromagnetic anomalies

Detailed Description

Regional aeromagnetic anomalies over part of the Midcontinent rift region. White dots show locations of known Midcontinent rift-related Ni–Cu–PGE deposits. Grayed pattern is extent of Phanerozoic sedimentary cover. Red polygon indicates area of further study.


Image Dimensions: 6000 x 5635

Date Taken:


Drenth and others, 2015., doi:10.1139/cjes-2014-0178
Figure 1 from Drenth, B.J., Anderson, R.R., Schulz, K.J., Feinberg, J.M., Chandler, V.W., and Cannon, W.F., 2015, What lies beneath: geophysical mapping of a concealed Precambrian intrusive complex along the Iowa–Minnesota border: Canadian Journal of Earth Sciences, 52(5): 279-293, doi:10.1139/cjes-2014-0178