 | | 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 |  | | 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...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...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Catalog/List | | 28Qj 0° A®ATE, North Shore, Lake Superior, Michigan, USA. Polished pebble showing concentric patterns... Small Ml. £4 £4-°0 HOWLITE, Lang, California, USA. Looks like stone brains, chalklike porcelaneous...ORE, mostly GALENA, Hidden Treasures Mine, Nevadaville, Colorado, USA. Mass of pure ore body mainly galena...sulphide. RF SPC. C. £4 £5.00 JASPER/AGATE, Texas, USA. Polished slab of rich green and orange mixture....£5.00 PETRIFIED WOOD, Quincy, Washington State, USA. Polished slab showing original wood grain structure |  | | Journal (article/letter/editorial) | | Michigan Mineralogy: A LOCALITY INDEX TOM MORRIS, JR. 4553 Shenandoah Allen Park, Michigan 48101 Tom...occurrences. These localities have been listed by county; and, strictly for convenience, the list has been...compiling this information was The Mineralogy of Michigan (Heinrich, 1976), which should be consulted by...locality labeling of Michigan specimens. It should be pointed out that the list of Michigan mineral localities...None theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Journal (issue) | | copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) D e d ic ated...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 . |  | | 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......................................C. J. Stefano & P. Persson The Central Mine, Keweenaw County, Michigan............................... |  | | Journal (article/letter/editorial) | | bottom of Lake Superior near Eagle Harbor, Keweenaw County, Michigan. The near-shore find, now called the Laker...9,000–15,000 feet, and form the “spine” of the Keweenaw Peninsula. Interbedded with the basalt flows are...(Bornhorst and Lankton 2006). In the central portion of the Keweenaw Peninsula the strike of the PLV changes...fractures. The Cliff, Phoenix, Copper Falls, and Central mines were the most productive fissure operations...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University. He now |  | | Journal (article/letter/editorial) | | COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...8-cm crystallized copper specimen came from the Central mine and was in the collection of Donald C. Gabriel...exploration 2. Cliff mine 3. Phoenix group of mines 4. Central mine 5. Northwestern mine 6. Central exploration...Resolute mine 9. Hard Rock fissure 10. Iron City (Empire) mine 11. Cape mine 12. Copper Falls mine 13. Clark...Clark mine 14. Point prospect 15. Mendota mine 16. Gull Rock fissure and Laker pocket Figure 3. A 1900 |  | | 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 |  | | Journal (article/letter/editorial) | | Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506...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) | | minerals of Michigan’s Copper Country News from the Keweenaw Recent Mineral Finds in Michigan’s Copper Country... When one thinks of superb specimens from the Keweenaw, memories of arborescent groups of copper and...courtesy Michigan Technological University Archives and Copper Country Historical Collections, Michigan Technological...started with the closure of the Champion mine in Houghton County by the Copper Range Company in September...reserves (Fields 1997).This was the last native copper mine in operation by the Copper Range Company and was |  | | Journal (article/letter/editorial) | | PrOlitleEt - K EWEENAW I - COUNTY, -~ __ -- ---K--- MICHIGAN Tom Rosemcyer n 1990 dodecahedra1...decaie in the Upper tip of the Keweenaw Peninsula Peninsula. in northern Michigan. The vein History outcrop...the original patina of azurite, malachite, and cuprite (clow-up view in flg. 6). The specimen waa recovered...pinpoint additional copper mineralization in the central part of the vein. Shortly afterward Barron and...material to Ken Flood, owner of Keweenaw Gem & Gift, Inc., in Houghton, Michigan. When Flood inquired as to |  | | Journal (article/letter/editorial) | | attributed to the Owl Creek fissure of the Copper Falls mine, this complex 3.2-cm crystal is perched on a matrix...3rd level of the Gribble vein in the Copper Falls mine. Of all the copper specimens recovered from the...calcite crystals recovered from the Copper Falls mine in the early days of mining. The sharp, limpid 4...recovered in the Copper Country in recent times. On the mine surface, beautiful microcrystals of analcime and...Petherick mine workings along the Copper Falls fissure. 320 ROCKS & MINERALS Clark Mine The Clark mine, about |  | | Journal (article/letter/editorial) | | anilite, yarrowite, rarely chalcopyrite) and cuprite. In addition to copper minerals, sphalerite and...simultaneous crystallization. Copper sulphides, cuprite, and barite micro veins indicate a later deposition...identified in some deposits [18–28]. Native copper, cuprite, and zincite are found in the Ayaguz agate deposit...an intergrowth with cristobalite spheroids and cuprite. Additionally, Radko [22] notes the presence of...are known from the Wolverine Mine, Wolverine, Houghton County, Michigan (USA) [19,21]. These unusual agates |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Journal (article/letter/editorial) | | Calumet, Michigan 49913 tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw County...County Michigan Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University...University in Houghton. He now spends a good part of the year in the Copper Country researching and writing...March 2015 L ocated in the rugged Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits...Figure 2. Tom Rosemeyer about to descend into the mine through the small surface opening that led to the |  | | Journal (article/letter/editorial) | | February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered from...fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS mens of ...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...starting with Keweenaw Point and continuing in a southwestern direction to the White Pine mine at the southern |  | | Journal (article/letter/editorial) | | MICHIGAN COPPER COUNTRY Figure 1: Shaft house of the Ahmeek mine, Keweenaw County. 1962 photo by Terry...been and probably never will be anything like the Michigan Copper Country. For the mineral-minded, it is...native metal. For the collector, its scores of old mine dumps never cease to provide rewards of specimens;...Country lies 500 miles due north of Chicago in the Keweenaw Peninsula, which sticks like a thumb from Michigan's...and to Douglass Houghton, who made the first systematic explorations on which Michigan laid its claim |  | | Journal (issue) | | scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...beautiful quartz specimens from Denny Mountain and King County, Washington, and the zeolites from the coastal...Alaska, ca. 1906. She organized her own company to mine the garnets, and may have distributed thousands...that men would be hired as laborers to work the mine and help develop it, but that no men would be involved |  | | 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 ...............Topaz-Mineral Exploration (1605 Hillcrest, Grand Haven, Michigan 49417) wishes to announce that he is now stocking...Person-other—Other persons such as miners, field assistants, mine managers, etc. Place —Used when a mineral is named |  | | 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...Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v.v. 40, 1 PREFACE PREFACE In 1983 1983..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake |  | | 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 (issue) | | Collector’s Newsletter $6.00 The Majuba Hill Mine, Pershing County, Nevada A Source of Superb Secondary Copper...ch) Introduction Since the 1950’s, the Majuba Hill Mine has been recognized by the mineral collecting community...be observed in the minerals from the Majuba Hill Mine. Spherical aggregates of arthurite crystals from...Evanich photo. History The Majuba Hill Mine, located in Pershing County, Nevada, was first located in 1907... Prospects for production were mediocre and the mine remained relatively idle until 1942 when E.J. Myler |  | | Catalog/List | | 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...old stuff last summer on a show trip to northern Michigan. Got it right from a 65 year oJd ex-collector...the 1950's. From the iron mines around Champion, Michigan, you just can't get this material any more. Metallic...juat collected this spring immediately before the mine was closed for refilling and reolalmlng. There will |  | | Journal (article/letter/editorial) | | The University of Michigan Mineral Collection Ann Arbor Downloaded by [University of Bristol] at 07:28...T he mineral collection at the University of Michigan is among the oldest and finest in the Great Lakes...prominent were those associated with the state of Michigan. A number of the specimens are pictured in the...of Michigan. No other mineralogical collection, save that of the A. E. Seaman Museum at Michigan Technological...University, is more important historically to Michigan. Although the collection continued to be an important |
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