TY - RPRT TI - Keweenaw hot spot: Geophysical evidence for a 1.1 Ga mantle plume beneath the Midcontinent Rift System AU - D. R. Hutchinson AU - R.S. White AU - W.F. Cannon AU - K. J. Schulz PY - 2012 DO - 10.1029/jb095ib07p10869 UR - https://pubs.usgs.gov/publication/70195810 ID - 70195810 ER -