Part of the Geology Commons

Works by Theodore J. Bornhorst in Geology

2018

Editorial for special issue “Geochemistry and mineralogy of hydrothermal metallic mineral deposits”, Theodore J. Bornhorst
Michigan Tech Publications

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2017

Caledonia Mine, Keweenaw Peninsula Native Copper District, Ontonagon County, Michigan, Theodore J. Bornhorst, Robert J. Barron, Richard C. Whiteman
Theodore J. Bornhorst

Distribution and mobility of uranium and thorium in the peralkaline Soldier Meadow Tuff, northwestern Nevada, Edmond J. Stuart, Theodore J. Bornhorst, William I. Rose, Donald C. Noble
William I. Rose

Gold content of eleven french geochemical reference samples, Theodore J. Bornhorst, William I. Rose, S. P. Wolfe, E. L. Hoffman
William I. Rose

Quaternary silicic pyroclastic deposits of Atitlán Caldera, Guatemala, William I. Rose, Christopher G. Newhall, Theodore J. Bornhorst, Stephen Self
William I. Rose

Rapid, high-quality major and trace element analysis of powdered rock by X-ray fluorescence spectrometry, William I. Rose, Theodore J. Bornhorst, Seppo J. Sivonen
William I. Rose

Volcán El Chichón, Mexico: Pre-1982 S-rich eruptive activity, William I. Rose, Theodore J. Bornhorst, S. P. Halsort, William A. Capaul, Patrick S. Plumley, Servando Dela Cruz-Reyna, Manuel Mena, Reynaldo Mota
William I. Rose

Discovery and geology of the Guinness World Record Lake Copper, Lake Superior, Michigan, Theodore J. Bornhorst, Robert Barron
A. E. Seaman Mineral Museum Publications

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63rd Annual Meeting Institute on Lake Superior Geology, Wawa, Ontario: Field Trip Guidebook, Theodore J. Bornhorst, Margaret J. Hanson
A. E. Seaman Mineral Museum Publications

63rd Annual Meeting Institute on Lake Superior Geology, Wawa, Ontario: Proceedings, Theodore J. Bornhorst, Margaret J. Hanson
A. E. Seaman Mineral Museum Publications

2016

Hydrothermal native copper in ocean island alkali basalt from the Mineoka belt, Boso Peninsula, Japan, Kei Ikehata, Koshuke Choda, Toshiaki Tsunogae, Theodore J. Bornhorst
A. E. Seaman Mineral Museum Publications

Predicting Future Water-Quality Impacts from Mining: A 52-year Old Field Analog for Humidity Cell Testing, Copperwood Deposit, Michigan, Theodore J. Bornhorst, Mark J. Logsdon
A. E. Seaman Mineral Museum Publications

2015

Michigan mineral alliance, Theodore J. Bornhorst, Christopher J. Poulsen
A. E. Seaman Mineral Museum Publications

2013

The Mesoproterozoic Copperwood sedimentary rock-hosted stratiform copper deposit, Upper Peninsula, Michigan, Theodore J. Bornhorst, William C. Williams
A. E. Seaman Mineral Museum Publications

59th Annual Meeting Institute on Lake Superior Geology, Houghton, Michigan: Proceedings, Part 2: Field Trip Guidebook, Theodore J. Bornhorst, Robert J. Barron
A. E. Seaman Mineral Museum Publications

59th Annual Meeting Institute on Lake Superior Geology, Houghton, Michigan: Proceedings, Program and Abstracts, Allan R. Blaske, Theodore J. Bornhorst
A. E. Seaman Mineral Museum Publications

Caledonia Mine, Keweenaw Peninsula Native Copper District, Ontonagon County, Michigan, Theodore J. Bornhorst, Robert J. Barron, Richard C. Whiteman
A. E. Seaman Mineral Museum Publications

Geology and Environmental Site Conditions of the Copperwood Deposit, Gogebic County, Michigan, Theodore J. Bornhorst, Allan R. Blaske, D T. Anderson, Thomas D. Repaal
A. E. Seaman Mineral Museum Publications

Geologic Overview of the Keweenaw Peninsula, Michigan, Theodore J. Bornhorst, Robert J. Barron
A. E. Seaman Mineral Museum Publications

2012

Copper mining: A billion years of geologic and human history, Theodore J. Bornhorst, L D. Lankton
A. E. Seaman Mineral Museum Publications

Michigan’s earliest geology: The Precambrian, Theodore J. Bornhorst, D. Brandt
A. E. Seaman Mineral Museum Publications

2011

Copper deposits of the western Upper Peninsula of Michigan, Theodore J. Bornhorst, Robert J. Barron
A. E. Seaman Mineral Museum Publications

2008

Chemical characteristics of Finnish bedrock– 1:1000000 scale bedrock map units, K Rasilainen, R Lahtinen, Theodore J. Bornhorst
A. E. Seaman Mineral Museum Publications

2003

Volcán El Chichón, Mexico: Pre-1982 S-rich eruptive activity, William I. Rose, Theodore J. Bornhorst, S. P. Halsort, William A. Capaul, Patrick S. Plumley, Servando Dela Cruz-Reyna, Manuel Mena, Reynaldo Mota
Department of Geological and Mining Engineering and Sciences Publications

1986

Partitioning of gold in young calc-alkalic volcanic rocks from Guatemala, Theodore J. Bornhorst, William I. Rose
Department of Geological and Mining Engineering and Sciences Publications

Rapid, high-quality major and trace element analysis of powdered rock by X-ray fluorescence spectrometry, William I. Rose, Theodore J. Bornhorst, Seppo J. Sivonen
Department of Geological and Mining Engineering and Sciences Publications

1984

Gold content of eleven french geochemical reference samples, Theodore J. Bornhorst, William I. Rose, S. P. Wolfe, E. L. Hoffman
Department of Geological and Mining Engineering and Sciences Publications

1983

Distribution and mobility of uranium and thorium in the peralkaline Soldier Meadow Tuff, northwestern Nevada, Edmond J. Stuart, Theodore J. Bornhorst, William I. Rose, Donald C. Noble
Department of Geological and Mining Engineering and Sciences Publications