Skip to main content

Staff Publications

Bornhorst, T.J. and Hanson, M.J., editors, 2017, 63rd Annual Meeting Institute on Lake Superior Geology, Wawa, Ontario: Proceedings Volume 63, Part 1: Program and Abstracts, 97p.

Bornhorst, T.J. and Hanson, M.J., compilers, 2017, 63rd Annual Meeting Institute on Lake Superior Geology, Wawa, Ontario: Proceedings Volume 63, Part 2: Field Trip Guidebook, 204p.

Jaszczak, J.A. and Dunnell, K., 2017, The magnificent mineralogy of diamond: in Diamond-the Ultimate Gemstone, J.W. Harris and G. Staebler, editors, Lithographie LLC, Arvana, CO, p. 25-35.

Jaszczak, J.A., 2017, The where of mineral names: Merelaniite, Merelani (Mererani), Manyara region, Tanzania: Rocks and Minerals, v. 92, p, 383-385.

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.

Rumsey, M.S., Jaszczak, J.A., Bindi, L., Hackney, S.A., Wise, M.A., Stanley, C., and Spratt, J., 2016, IMA No. 2016-042: Mineralogical Magazine, v. 80, p. 1135-1144.

Jaszczak, J.A., Rumsey, M.S., Bindi, L., Hackney, S.A., Wise, M.A., Stanley, C.J., and Spratt, J., 2016, Merelaniite, Mo4Pb4VSbS15, a new molybdenum-essential member of the Cylindrite group, from Merelani tanzanite deposit, Delatema Mountains, Manyara Region, Tanzania: Minerals, v. 6, issue 4,115, 19p.

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.

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

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, 59th Annual Meeting Institute on Lake Superior Geology, Houghton, Michigan: Proceedings Volume 59, Part 1: Program and Abstracts, 83p.

Bornhorst, T.J. and Barron, R.J., editors, 2013, 59th Annual Meeting Institute on Lake Superior Geology, Houghton, Michigan: Proceedings Volume 59, Part 2: Field Trip Guidebook, 118p.

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., 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. 

Bornhorst, T.J. and Williams, W.C., 2013, The Mesoproterozoic Copperwood sedimentary rock-hosted stratiform copper deposit, Upper Peninsula, Michigan: Economic Geology, v. 108, p. 1325-1346.

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.