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Staff Publications

Ikehata, K., Chida, K., Tsunogae, T., and Bornhorst, T. J., 2016, Hydrothermal native copper in ocean island alkali basalt from the Mineoka belt, Boso Peninsula, Japan, Economic Geology, v. 111, p. 783-794.

Bornhorst, T.J., and Logsdon, M.J., 2016, Predicting Future Water-Quality Impacts from Mining: A 52-year Old Field Analog for Humidity Cell Testing, Copperwood Deposit, Michigan, Economic Geology, v. 111, p. 527-542. 

Jaszczak, J.A., 2015, Viewpoint: Watching Quasicrystals Grow, Physics v. 8, p. 78. Link here

Bornhorst, T.J. and Poulsen, C.J., 2015, Michigan Mineral Alliance, Rocks & Minerals, v. 90, p. 450-453. 

Weiß, S., Jaszczak, J.A., Harrison, S., Hintze, J., and Radl, W., 2015, Merelani: Tansanit und Seltene Sammlermineralien, Lapis v. 40, p. 34-63, 90.

Stefano, C.J. (2015) The Life and Collection of Ebehardt W. Heinrich, Rocks & Minerals, v. 90, p. 154-163.

Rakovan, J., Gaillou, Post, J.E., Jaszczak, J.A., and Betts, J., (2014) Optically sector zoned (star) diamonds from Zimbabwe, Rocks & Minerals, v. 89, p. 173-178.

Harrison, S., Jaszczak, J.A., Keim, M., and Rumsey, M., (2014) Spectacular sulfides from the Merelani tanzanite deposit, Lelatema Mountains, Arusha Region, Tanzania, The Mineralogical Record, v. 45, p. 553-570.

Stefano, C.J., Erwin, K., and Ewing, R.C. (2013) The University of Michigan Mineral Collection, Ann Arbor, Rocks & Minerals, v. 88, p. 328-338.

Jaszczak, J.A. (2013) Word to the Wise: Raman spectroscopy in the identification and study of minerals, Rocks & Minerals, v. 88, p. 184-189.

Blaske, A.R. and Bornhorst, T.J., editors, 2013, Institute on Lake Superior Geology, Proceedings, 59th Annual Meeting, Houghton, MI v. 59, part 1, 83p.

Bornhorst, T.J. and Barron, R.J., 2013, Geologic Overview of the Keweenaw Peninsula, Michigan – Field Trip 1: Institute on Lake Superior Geology, Field Trip Guidebook, 59th Annual Meeting, Houghton, MI v. 59, part 2, p. 1-42.

Bornhorst, T.J. and Barron, R.J., editors, 2013, Institute on Lake Superior Geology, Field Trip Guidebook, 59th Annual Meeting, Houghton, MI v. 59, part 2, 118p.

Bornhorst, T.J., Barron, R.J., and Whiteman, R.C., 2013, Caledonia Mine, Keweenaw Peninsula Native Copper District, Ontonagon County, Michigan – Field Trip 2: Institute on Lake Superior Geology, Field Trip Guidebook, 59th Annual Meeting, Houghton, MI v. 59, part 2, p. 43-57.

Bornhorst, T.J., Blaske, A., Anderson, D, Repaal, T.D., 2013, Geology and Environmental Site Conditions of the Copperwood Deposit, Gogebic County, Michigan – Field Trip 6: Institute on Lake Superior Geology, Field Trip Guidebook, 59th Annual Meeting, Houghton, MI v. 59, part 2, p. 97-118.

Jaszczak, J.A., and Trinchillo, D. (2013) Miracle at Merelani: A remarkable occurrence of graphite, diopside and associated minerals from the Karo Pit, Block D, Merelani Hills, Arusha Region, Tanzania, Rocks & Minerals, v. 88, p. 154-165. 

Long, J.M., Rakovan, J., Jaszczak, J.A., Sommer, A.J., and Anczkiewicz, R. (2013) Fluorapatite from a remarkable occurrence of graphite and associated minerals, Karo Pit, Block D, Merelani Hills, Arusha Region, Tanzania, Rocks & Minerals, v. 88, p. 179-183.

Jaszczak, J.A. (2012) Stellate surface features on graphite from Crestmore, California, and Amity, New York, Mineral News, v. 28, no. 11 , p. 1-4, 10. 

Jaszczak, J.A. (2012) Spirals, Scales, Cones, And Lamellae: The Strange World of Graphite Overgrowths from The Trotter Mine Dump, Franklin, New Jersey, The Picking Table: Journal of the Franklin-Ogdensburg Mineralogical Society, v. 53, p. 17-23 

Bornhorst, T.J., and Barron, R.J., 2011, Copper deposits of the western Upper Peninsula of Michigan: in Miller, J.D., Hudak, G.J., Wittkop, C., and McLaughlin, P.I., eds., Archean to Anthropocene: Firled Guides to the Geology of the Mid-Continent of North America: Geological Society of America Field Trip Guide 24, p. 83-99.

Satish-Kumar, M., Jaszczak, J.A., Hamamatsu, T., and Wada, H. (2011) Relationship between structure, morphology, and carbon isotopic composition of graphite in marbles: Implications for calcite-graphite carbon isotope thermometry, American Mineralogist, v. 96, p. 470-485.

Bornhorst, T.J., and Brandt, D., 2009, Michigan’s earliest geology: The Precambrian: in Schaetzl, R., Darden, J., and Brandt, D., eds., Michigan Geography and Geology, Pearson Custom Publishing,  New York, p. 24-39.

Bornhorst, T.J., and Lankton, L.D., 2009, Copper mining: A billion years of geologic and human history: in Schaetzl, R., Darden, J., and Brandt, D., eds, Michigan Geography and Geology, Pearson Custom Publishing, New York, p. 150-173.

Rasilainen, K., Lahtinen, R., and  Bornhorst, T. J., 2008, Chemical characteristics of Finnish bedrock– 1:1000000 scale bedrock map units: Geological Survey of Finland, Report of Investigation 171, 96p.