 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | | Journal (issue) | | large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |  | | 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 |  | | Journal (article/letter/editorial) | | Iuyw I , < h,,,rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast...from the White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization...stratiform sulfide (chalcocite) deposit at the White Pine mine and (2) the world-class native copper deposits that...this type of lode start- ed in 1856 at the Quincy mine. Later came the conglomeratehosted deposits, in...this type of lode is credited to the Calumet No. 1 mine on the Calumet and Hecla Conglomerate lode, which |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...the two centuries which have passed since the American Revolution. The contemporary design is in keeping...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr |  | | Journal (article/letter/editorial) | | Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506 Pine Street...5.5 × 10.0 cm, attributed to the South Kearsarge mine. Author’s specimen, Terry Huizing photo. 276 ROCKS...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became...miners until 1967 when all mining ceased. Many of the mine dumps have disappeared through the years because...only massive concrete foundations mark the famous mine sites. Not all is lost, though. A trip to the A |  | | Journal (article/letter/editorial) | | Sciences, University of Chicago, Chicago, IL 60637, USA ‘Department of the Geophysical Sciences, Department...Institute, Unive~ity of Chicago, Chicago, IL 60637, USA (Received Febrzlary6, 1989; accepted in r~vi~~d~r~...zeolites, analcime, chabazite, clinoptilolite, laumontite, mordenite, and natrolite. Zeolites were dehydrated...indicate low-temperature origin for these samples. Laumontite (6%), however, may have formed at higher temperatures...isotope relationship between laumontite and calcite suggests that the laumontite has not preserved its original |  | Bodden, Thomas, Bornhorst, Theodore, Bégué, Florence, Deering, Chad (2022) Sources of Hydrothermal Fluids Inferred from Oxygen and Carbon Isotope Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals, 12 (4) 474 doi:10.3390/min12040474 | Journal (article/letter/editorial) | | Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA Thomas J. Bodden 1 , Theodore...Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals 2022, 12, 474...Engineering and Sciences, Michigan Technological University, Houghton, MI 49931, USA; tjbodden@mtu.edu (T...Seaman Mineral Museum, Michigan Technological University, Houghton, MI 49931, USA Department of Earth Sciences...tjb@mtu.edu Abstract: The Mesoproterozoic North American Midcontinent Rift hosts the world’s largest |  | | Journal (issue) | | Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Ml George W. Robinson Natl. Museums...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............collec tors in general. Dues are $6 per year (North American) and $8 per year (all others). People interested...Topaz-Mineral Exploration (1605 Hillcrest, Grand Haven, Michigan 49417) wishes to announce that he is now stocking |  | | Journal (issue) | | Copper rontier Development of Michigan's Cliff Mine ( 1845-1870) by Paul Chrastina Introduction About...volcanic eruptions rocked the landmass we now call North America. Traces of volcanic activity dating to this...into Kansas, as well as southeast through central Michigan, perhaps as far as western Tennessee. Today, the...Copper Frontier: Development of Michigan's Cliff Mine (1845-1870) ................................. 17.............................36 northern Michigan. The Keweenaw Peninsula is a narrow promontory, 70 miles |  | | Journal (article/letter/editorial) | | Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native Copper District Sixteenth...TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...the Michigan Copper Country, is located on the sparsely populated, isolated, and scenic Keweenaw Peninsula...Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with lake-effect...feet (6,400 vertical feet), making it the deepest mine shaft in the Western Hemisphere. Tom Rosemeyer collection |  | | Report (issue) | | Extent and General Nature of the Keweenaw Series Lithology of the Keweenaw Series Section I. Basic Original...III. Summary View of the Original Rocks of the Keweenaw Series Section IV. Detrital Rocks Chapter IV....Features of the Three Classes of Rocks of the Keweenaw Chapter Chapter II. 24 III. 34 '. 35 91... General Stratigraphy of the Keweenaw Series Chapter VI.— The Keweenaw an Rocks op the South Shore of...of Lake Superior Introductory 152 Section I.— Keweenaw Point Section II.— The Region between Portage |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...History and Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles...at the St. Louis mine, located about 1.3 miles east of the village of Laurium, Michigan. This little-known...pumpellyite-(Mg), epidote, calcite, hematite, prehnite, laumontite, and copper, that occur as free-growing microcrystals...microcrystals in amygdules contained in a lava flow top. The mine has also yielded uniquely banded agates that occur |  | | Journal (article/letter/editorial) | | From Michigan’s Keweenaw Peninsula TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...of mines in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet...calcite, chlorite, prehnite, pumpellyite, and laumontite. Analcime, barite, datolite, apophyllite , natrolite...in the tenth grade. I have collected most of the mine dumps during the past sixty years and have found...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University in Houghton |  | | Journal (issue) | | MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com.......................3 by W. E. Wilson The Keweenaw County Fissure Mines....................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan...................................... Stefano & P. Persson The Central Mine, Keweenaw County, Michigan................................... |  | | Journal (article/letter/editorial) | | THE CLIFF MINE, discovered in 1844, is located on the Keweenaw Peninsula of Upper Michigan in the heart...first mine on the "Keweenaw" to pay dividends to stockholders. Throughout its history, the mine also produced...over. N ative copper was first mined on the Keweenaw Peninsula several thousand years ago by Native...controlled three mineral tracts on the northern part of Keweenaw Peninsula. After examining the copper prospect...of Upper Michigan, started his mining career with Calumet and Hecla as an underground mine geologist |  | | Journal (article/letter/editorial) | | and Geophysics, Michigan Technological University 1400 Townsend Drive, Houghton, Michigan 49931 Abstract-Characterization...and burial history for the White Pine area of Michigan allow regional interpretation of maximum formation...Iron River Syncline area just west of White Pine, Michigan. IISgeothermometry suggests maximum temperatures...Pine, and 1900c near the southern portions of the Keweenaw Copper District. The geographic pattern of temperatures...Nonesuch Formation near the southern limits of the Keweenaw Copper District. These variations suggest a fossil |  | | Report (issue) | | Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ............................................... 2 The Keweenaw Peninsula ......................................geology and history of the copper deposits of Michigan. Every effort has been made to present accurate...necessarily reflect the policies or practices of the Michigan Department of Natural Resources, Geological Survey...Nonetheless, he was very well known by hobbyists in Michigan and surrounding areas. The National Rockhound |  | | Journal (article/letter/editorial) | | Copyright © 1999 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/99 $20.00 ⫹ .00 Pergamon...Rift: Oxygen and Hydrogen Isotopic Studies of the North Shore Volcanic Group and Related Hypabyssal Sills...Indiana University, Bloomington, IN 47405-1403, USA (Received September 14, 1998; accepted in revised...February 8, 1999) Abstract—Rift-related lavas of the North Shore Volcanic Group (NSVG) are intruded by plutonic...this study were collected from the lavas of the North Shore Volcanic Group and related hypabyssal rocks |  | | Book | | variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company...five book-format issues (8/#3, Tsumeb; 23/#2, Michigan Copper Country; 23/#4, Yukon Phosphates; 24/#2...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298 |  | | Journal (article/letter/editorial) | | from a large vug in the fissure vein of the Cliff mine; the largest crystal is 2 cm across. The specimen...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...Jaszczak photo. Figure 18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy...on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...some of the veins (Butler and Burbank 1929). Cliff Mine After the failed 1844 mining venture at the Hays |  | | Journal (article/letter/editorial) | | Photographs January/February: Crocoite, Adelaide mine, Dundas, Tasmania, Australia. Francis Benjamin specimen...Scovil photo. March/April: Galaxy opal, Opalville mine, lease 135, Jundah, Queensland, Australia. Owner...July/August: Silver, Wolverine mine, Kearsarge lode, Keweenaw County, Michigan. William Severance specimen...(Hallelujah Junction), Petersen Mountain, Washoe County, Nevada. Paul Geffner specimen, Jeff Scovil photo...November/December: Millerite, Sterling mine, Antwerp, Jefferson County, New York. National Museum of Natural |  | | Journal (article/letter/editorial) | | Manasquan, New Jersey, visited Calamity Wash, Yavapai County, and collected several exciting and Figure 7: Arizona...quartz-and-muscovite crystal pocket under a thin veneer of mine dump. The nearly horizontal ledge was apparently...the Nevel (Twin Tunnels) quarry on behalf of the American Tourmaline Fields Company, headed by John Boule...crystals found at the I-IerbbeNo. 2 quarry, Powhatten County, Virginia. Numerous additional finds were made...January/February 1993 51 known for gem beryl (including North America’s secondlargest flawless cut aquamarine-127 |  | | Journal (issue) | | VOLUME 37 NUMBER 4 $15 Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (949)...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Green Valley, AZ Donald R. Peacor University of Michigan Ann Arbor, MI Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton, Michigan Correspondents Dudley Blauwet Louisville, Colorado...and CUPRITE in CALCITE, 5.2 cm, from the Onganja mine near Seeis, Namibia. Mike Bergmann specimen, now |  | | Catalog/List | | I PEBBLE PEDDLER 100 NORTH LAKE PARK, BOTTtNEAU, NORTH DAKOTA 68318 Phone: (701) 263-4948 FAX: (701)...good stuff that used to come out of the Marencl mine, ~ut the price is a whole lot better. specimens...00 eaoh. CLEANED COPPER AND MALACHITE: Southwest Mine, Bisbee, Arizona: I've had these for a few years...specimens at the Tucson show this year from an American geologist who had spent the past three years living...old stuff last summer on a show trip to northern Michigan. Got it right from a 65 year oJd ex-collector |
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