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At least 271 records · Page 15Linked to original sources

Book review: Hollowed ground—Copper mining and community building on Lake Superior, 1840s–1990s

In 1843, six years before the Forty-niners headed west for the goldfields of California, the United States’ first great mineral rush began to a land that was, as Patrick Henry told Congress, “beyond the most distant wilderness and remote as the moon.” He was referring to the Keweenaw Peninsula of northern Michigan. This rush was not for gold or silver, but for copper. And not just any copper, but native copper, so pure it required little refining before use. The early horde of fortune-seekers came with visions of finding mountains of solid copper, spurred on by stories of large masses of “float copper” that included the famous Ontonagon Boulder, a large mass of native copper originally found lying 32 km up the steep and rugged valley of the Ontonagon River (and now gathering dust in the Smithsonian Museum).

Economic Geology

Book review: New concepts and discoveries: the Geological Society of Nevada 2015 Symposium Proceedings

The Nevada Geological Society has a long history of convening meetings and workshops focused on the geology and metallogeny of the western United States relevant to the mineral exploration and mining community across the Great Basin. One outgrowth of the Geological Society of Nevada’s 2015 Symposium is a two-volume set, edited by W.M. Pennell and L.J. Garside, entitled New Concepts and Discoveries . The symposium was held in Sparks, Nevada, May 14–23, 2015, with more than 1,000 attendees, 59 talks in 10 thematic sessions, 7 field trips, and 10 short courses, all focused on serving the geologic, exploration, and mining community. The attractively produced, hardbound, two-volume set includes a CD-ROM containing all the manuscripts as well as numerous abstracts from presentations arranged by the thematic session in which they were presented. The papers range from detailed case study descriptions of individual deposits to important syntheses covering the geologic evolution and resulting metallogeny of the Great Basin and beyond.

Economic Geology