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Aeromagnetic anomalies over part of the Midcontinent rift region

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.


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