Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

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	Tohver, E., Holm, D.K., van der Pluijm, B.A., Essene, E.J., Cambray, F.W. (2007) Late Paleoproterozoic (geon 18 and 17) reactivation of the Neoarchean Great Lakes Tectonic Zone, northern Michigan, USA: Evidence from kinematic analysis, thermobarometry and 40Ar/39Ar geochronology. Precambrian Research, 157 (1) 144-168 doi:10.1016/j.precamres.2007.02.014	Journal (article/letter/editorial)
	Neoarchean Great Lakes Tectonic Zone, northern Michigan, USA: Evidence from kinematic analysis, thermobarometry...44242, USA c Department of Geological Sciences, University of Michigan, Ann Arbor, MI 48109-1063, USA d Department...Geological Sciences, Michigan State University, East Lansing, MI 48824-1031, USA Received 24 March 2006;...craton. In northern Michigan, this zone underlies the Paleoproterozoic Marquette synclinorium, a Penokean...the Marquette trough sediments during Penokean orogenesis. In the western portion of the Marquette synclinorium
	*Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan* (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.**	Book
	Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation
	*(1993) Geologic radon potential of EPA Region 5; Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin. Open-File Report* Vol. 1993 (93-292) US Geological Survey doi:10.3133/ofr93292e**	Report (issue)
	RADON POTENTIAL OF EPA REGION 5 Illinois Indiana Michigan Minnesota Ohio Wisconsin OPEN-FILE REPORT 93-292-E...RADON POTENTIAL OF EPA REGION 5 Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin R. Randall Schumann...Preliminary Geologic Radon Potential Assessment of Michigan 97 R. Randall Schumann 6. Preliminary Geologic...aerial radioactivity, and indoor radon data by county. Because of constraints on the scales of maps presented...least likely to cause radon problems include marine quartz sands, non-carbonaceous shales and siltstones,

Quartz from Bell Creek granite, Republic, Marquette County, Michigan, USA

Quartz from
Bell Creek granite, Republic, Marquette County, Michigan, USA