Bornhorst, T.J., Paces, J.B., Grant, N.K., Obradovich, J.D., and Huber, N.K., 1988, Age of native copper mineralization, Keweenaw Peninsula, Michigan: Economic Geology, v. 83, p. 619625.
Broderick, T.M., Hohl, C.D., and Eidemiller, H.N., 1946, Recent contributions to the geology of the Michigan copper district: Economic Geology, V. 41, p. 675725.
Butler, B.S., and Burbank, W.S., 1929, The copper deposits of Michigan: U.S. Geological Survey Professional Paper 144, 238p.
Cannon, W.F., 1994, Closing of the Midcontinent rift-- A far-field effect of Grenvillian compression: Geology 22, 155-158.
Cannon, W.F., 1992, The Midcontinent rift in the Lake Superior region with emphasis on its geodynamic evolution: Tectonophys. 213, 41-48.
Cannon, W.F., and Hinze, W.J., 1992, Speculations on the origin of the North American Midcontinent rift: Tectonophys. 23, 49-55.
Cannon, W.F., Green, A.G., Hutchinson, D.R., Lee, M., Milkereit, B., Behrendt, J.C., Halls, H.C., Green, J.C., Dickas, A.B., Morey, G.B., Sutcliffe, R., and Spencer, C., 1989, The North American midcontinent rift beneath Lake Superior fron GLIMPCE seismic reflection profiling: Tectonics, v. 8, p. 305332.
Cannon, W.F., and Nicholson, S.W., 1992, Revisions of stratigraphic nomenclature within the Keweenawan Supergroup of northern Michigan: (Bulletin 1970A) U.S. Geological Survey, 21 pages.
Cannon, W.F., Peterman, Z.E., and Sims, P.K., 1993, Crustal-scale thrusting and origin of the Montreal river monocline -- 35 km-thick cross section of the Midcontinent rift in northern Michigan and Wisconsin: Tectonophys. 12(3), 728-744.
Davis, D.W., and Paces, J.B., 1990, Time resolution of geologic events on the Keweenaw Peninsula and implications for development of the Midcontinent Rift system: Earth and Planetary Science Letters, v. 97, p. 5464.
Davis, D.W., and Sutcliffe, R.H., 1985: U-Pb ages from the Nipigon plate and northern Lake Superior: Geol. Soc. Am. Bull. 96, 1572-1579.
Hinze, W.J. and Braile, L.W., and Chandler, V.W., 1990, A geophysical profile of the southern margin of the Midcontinent rift system in western Lake Superior: Tectonics, v. 9, p. 303310.
Hoffman, P. F., 1989, Precambrian geology and tectonic history of North America: in Bally, A.W., and Palmer, A.R., eds., The Geology of North AmericaAn overview, Boulder, Colorado, Geological Society of America, The Geology of North America, v. A, p. 447512.
Hutchinson, D.R., White, R.S., Cannon, W.F., and Schulz, K.J., 1990, Keweenaw hot spot: Geophysical evidence for a 1.1 Ga mantle plume beneath the Midcontinent Rift System: Journal of Geophysical Research, v. 95, p. 10,86910,884.
Mauk, J.L., Kelly, W.C., van der Pluijm, B.A., and Seasor, R.W., 1992,Relations between deformation and sedimenthosted copper mineralization: Evidence from the White Pine portion of the Midcontinent rift system: Geology, v. 20, p. 427430.
Merk, G.P., and Jirsa, M.A., 1982, Provenance and tecotnic significance of hte Keweenawan interflow sedimentary rocks: Geological Society of America Memior 156, p. 97105.
Morey, G.B., and Ojakangas, R.W., 1982, Keweenawan sedimentary rocks of eastern Minnesota and northwest Wisconsin: Geology and tectonics of the Lake Superior basin, (Memoir 156)(Eds. Wold, R.J., Hinze, W.J.) Geol. Soc. Am., 135-146.
Nicholson, S.W., Cannon, W.F., and Schulz, K.J., this volume, Metallogeny of the Midcontinent rift system of North America.
Nicholson, S.W., and Shirey, S.B., 1990, Midcontinent rift volcanism in the Lake Superior region: Sr, Nd, and Pb isotopic evidence for a mantle plume origin: Jour. Geophys. Res. 95, 10851-10868.
Nicholson, S.W., Shirey, S.B., and Green, J.C., 1991, Regional Nd and Pb isotopic variations among the earliest Midcontinent rift basalts in western Lake Superior: [abs.], Geol. Assoc. Can./Mineral. Assoc. Can. Prog. with Abs., 16, A90.
Northern Miner, 1990, Great Lakes hits high grade zones with infill drilling: Northern Miner, v. 76, no. 32, p. 3.
Ojakangas, R.W., and Morey, G.B., 1982, Keweenawan pre-volcanic quartz sandstones and related rocks of the Lake Superior region: Geologica and tectonics of the Lake Superior basin (Memoir 156)(Eds: Wold, R.J., Hinze, W.J.) Geol. Soc. Am., 85-96.
Paces, J.B., and Bell, K., 1989, Nondepleted subcontinental mantle beneath the Superior Province of the Canadian Shield: NdSr isotopic and trace element evidence from Midcontinent rift basalts: Geochemica et Cosmochimica Acta, v. 53, p. 20232035.
Thwaites, F.T., 1912, Sandstones of the Wisconsin coast of Lake Superior: (Bulletin 25) Wisconsin Geological and Natural History Survey, 109 pages.
White, W.S., 1968, The nativecopper deposits of northern Michigan: in Ridge, J.D., ed., Ore Deposits of the United States, 19331967 (the Graton Sales volume): American Institute of Mining,Metallurgical, and Petroleum Engineering, New York, p. 303325.