 | | Journal (issue) |
| iners with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University...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 . |
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| 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) |
| Bulletin 6 1976 COVER Shown is a porcelanoid mass of flesh colored datolite, a borosilicate (CaBSiO4OH)...(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 |
 | | Catalog/List |
| 28Qj 0° A®ATE, North Shore, Lake Superior, Michigan, USA. Polished pebble showing concentric patterns...Lang, California, USA. Looks like stone brains, chalklike porcelaneous nodular mass. C. £4 £4 00 AMETHYST/BARITE...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 |
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| nodule, 0.9 x 1.1 inches, recovered from the Hancock mine dump by John Perona in 1972. John Perona specimen...Jaszczak photo. rom the bowels of a Keweenaw copper mine to the icy depths of Lake Superior, serious datolite...combination. Imagine descending a steep 2,000-foot-deep mine shaft in the dead of a Keweenaw winter with only...over heels into the black depths of an abandoned mine. All of this effort was expended on clandestine...and Sciences Michigan Technological University Tom Rosemeyer is a native of Upper Michigan and a graduate |
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| nodules of datolite, and copper inclusions in calcite crystals come to mind. Surprisingly, specimens...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...came with the closing of the White Pine mine, Ontonagon County, in September 1995. New, stringent environmental |
 | | 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 |
 | | Catalog/List |
| 1999________ 1 ULEXITE, Boron, California, USA. Matrix free pure mass of tight silky unidirectional fibrous...Arizona, USA. Pretty pocket of sparkling tiny blue xtls. GRF. Ml. £4.00 4 MALACHITE, Killie Mine, Elko...Elko Co., Nevada, USA. Very rich with fibrous edges or cross section. GRF. C. £4.00 5 GYPSUM, Simpson Desert...£4.00 9 WAVELLITE, County Pit, Mauldin Mountain, Montgomery Co., Arkansas, USA. Pastel apple green radiate...xtls. GRF. Ml. £5.00 10 SMITHSONITE, San Antonio Mine, Santa Eulalia, Chihuahua, Mexico. Pale blue botryoidal |
 | | Journal (article/letter/editorial) |
| TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...district is world famous for the copperincluded calcite crystals that occurred at a number of mines in...in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet specimens...common gangue minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and laumontite...in the tenth grade. I have collected most of the mine dumps during the past sixty years and have found |
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| Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1... 1 mine in summer 2009 by Steve Whelan. The specimen is 12.4 × 6.2 cm and was encased in calcite. Tom...Copper Country Figure 2. Generalized map of the Michigan copper district showing the location of the new...Mineral Finds in Michigan’s Copper Country T he Michigan Copper Country, also known as the Lake Superior...into Lake Superior at the western end of Upper Michigan. The now-dormant copper mining industry, which |
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| MICROCLINE IN THE NATIVE COPPER DEPOSITS OF MICHIGAN Ina KrorN, Stanf ord, U ni.oersity, C al'iJorni...intensive mining activity in the copper country of Michigan, and detailed study of the native copper deposits...aqueous product" forming after both copper and calcite. Whitneyz supplemented this with a complete analysis3and...amounts "in all the mines from Keweenaw Point to Ontonagon" in association with analcite, as the "last formed...Juliens described brick-red "orthoclase" lining calcite-filled vugs in amygdaloidal basalt at the outcrop |
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| 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 |
 | | Catalog/List |
| Colorado, USA. Three adjoining transparent pale blue terminated barytes XTLS <25mm on honey calcite matrix...Central Mine, Keweenaw Co . Michigan, USA. Growths of native silver protrude from milky white calcite with...NATIVE GOLD, American Tunnel, Silverton, Colorado, USA. Flecks of native gold <4mm on milky quartz/grey...MI. 77 £12.00 NATIVE GOLD, Homestake Mine, Lead,South Dakota, USA. Flecks of native gold <4mm with milky...NATIVE GOLD, American Tunnel, Silverton, Colorado, USA. Flecks of native gold <4mm on milky quartz/grey |
 | | Journal (article/letter/editorial) |
| Lake Superior near Eagle Harbor, Keweenaw County, Michigan. The near-shore find, now called the Laker...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University. He now... The 3.3 × 5.8-cm specimen was part of a larger mass of intergrown crystals recovered from the center...inches wide and was filled with white crystalline calcite. In summer 2001, a small split off the main vein...best specimens to date from this locality. The calcite coating the crystallized groups was removed with |
 | | 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 Lake...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...the White Pine mine at the southern end of the district. Keweenaw Point, Keweenaw County The waters off |
 | | Journal (article/letter/editorial) |
| shoreline shift with Lake Superior storms, exposing calcite/quartz veins in the Copper Harbor Conglomerate...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...terminated scalenohedral calcite crystals on crystallized quartz. The longest calcite crystal is 7.9 cm and...and was collected from the calcite/quartz vein by Bob Williams in July 1975. Pam and Jerry Hall specimen...year. During the last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction |
 | | Journal (article/letter/editorial) |
| the Caledonia Mine, Ontonagon County, Michigan -- Downloaded by [University of Michigan] at 08:51 04...Caledonia mine, owned by Red Metal Minerals, is located at the southern end of the famous Michigan native...native copper district and is the last operating mine on the copper range. It is presently being operated...and Whiteman 1992). The early development of the mine included sinking shafts and driving adits on the...1873. In the same year Captain Martin leased the mine and sporadically operated it until 188 I , producing |
 | | Journal (article/letter/editorial) |
| istory and Mineralogy of the Indiana Mine Ontonagon County, Michigan Ninth in a series of articles on the...No. 2 (Indiana Copper Company) mine dump in Ontonagon County, Michigan. The individual crystals, which...State Highways 26 and 38 (Lake Mine Junction) in northern Ontonagon County. The property consists of 1,280...2-square-mile property is owned by the state of Michigan and is traversed by Highway 26 on the northwest...Mineralization Volcanic rocks that crop out in the mine area are part of the Portage Lake Volcanics (PLV) |
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| brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was...manufacturer’s standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a...material collected from waste piles of abandoned mine sites in the mountains of central Colorado. A unit...Figure 6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia |
 | | 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...Superior native copper district, also known as the Michigan Copper Country, is located on the sparsely populated...into Lake Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with...feet (6,400 vertical feet), making it the deepest mine shaft in the Western Hemisphere. Tom Rosemeyer collection |
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| Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS...81MINERALS ’ .1-. . TOM ROSEMEYER 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 rosemeyer@ocinet...Florida] at 00:43 01 January 2015 1. Cliff mine 2. Phoenix mine 3. Centralmine 4. Central Exploration 5...of mines 6. Mandan SW-vel pit 7. IronCity(Empire)mine 8. Capemine 9. Clatkmine 10. starmine 11. Keweenaw...Roseineyer is a native of Upper Michigan arid a graduate of Michigan Technological Universip in Hoirghton |
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| COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...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 |
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| 36849 cookrob@auburn.edu KINOITE Christmas Mine, Gila County, Arizona F ew states can approach, much...mineral in vugs and veinlets in skarn, and in Michigan it occurs as a rare constituent of amygdule fillings...the northwest and Rosemont to the southeast, Pima County, Arizona. The locality is about 30 miles (48 kilometers)...crystals on fluorapophyllite from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen,...tiny kinoite crystals from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen, |
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| occurring together) from the Calumet and Hecla mine. Excepment in the oxide zones of a variety of metal...Copper Falls mine, associations and include those containing other silver minerals, Keweenaw County. barite...major Acton mine, York County, the Deer collections. One state that is draped in a silIsle mine, and the...the Sullivan mine ver-lined history is Colorado, with a pro(King and Foord 1994). Silver duction of more...more than 750 million ounces to occurred in a mine about a mile its credit. Fine wire- and crystallized-silver |
 | | Journal (article/letter/editorial) |
| recently in the various serialized articles on the Michigan Copper Country by Tom Rosemeyer (including the...alpine fissure veins. Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet,...stilbite, heulandite, pectolite, apophyllite, calcite,, and quartz, and its crystal aggregates often...as the Cheapside quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals from...century at the Lane quarries at Westfield, Hampden County, Massachusetts; fine specimens were also found |
Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA