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| Keweenaw Peninsula TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he...of mines in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet...minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and laumontite. Analcime, barite...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 |
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| 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...meet emission standards led to its demise. The Michigan Copper Country contains the largest-known native |
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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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| iners with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University...Donald Pearce (1941-1989) The āCopper Kingā 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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| copper. The silver/copper was encased in weathered prehnite that was removed with a water gun to reveal the...Jaszczak photo (October 2017). 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Twenty-sixth...located in Keweenaw County, Michigan, was made by Doug Miller of Calumet, Michigan. Miller, a thirty-year...area about a half-mile northwest of the North Cliff mine. He had checked part of this area earlier in the...secTom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University in Houghton |
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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...NoneĀ theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |
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| at the Caledonia Mine, Ontonagon County, Michigan -- Downloaded by [University of Michigan] at 08:51...Figure 1. The 1996 mining crew at the 4th level, Caledonia adit. Left to right, Clyde Gruver, Jim Brooks...Photo by Ted Bornhorst, October 1996. T he Caledonia mine, owned by Red Metal Minerals, is located at...southern end of the famous Michigan native copper district and is the last operating mine on the copper range...specimen-mining activity in 1996. History The Caledonia Mining Company started mining operations in 1863 |
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| 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 |
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| recently in the various serialized articles on the Michigan Copper Country by Tom Rosemeyer (including the... Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet, and the zeolites...quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals from this locality were...century at the Lane quarries at Westfield, Hampden County, Massachusetts; fine specimens were also found...green datolite crystals from the Second Sovietski mine, Dalnegorsk, Primorskiy Kray, Russia. The 18.5 ā«» |
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| Mineralogy of Michigan by E. W. Heinrich updated and revised ā¢ by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 Ā© 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 |
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| News from the Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw...of copper crystals collected at the Ojibway No. 1 mine in summer 2009 by Steve Whelan. The specimen is...Copper Country Figure 2. Generalized map of the Michigan copper district showing the location of the new...Mineral Finds in Michiganās 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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| 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 in amygdules contained in a lava flow top. The mine has also yielded uniquely banded agates that occur |
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| Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting.... and Michigan. Dow Chemical has reported finding diamonds in the kimberlites of upper Michigan, and vast...shoreline on both Lake Superior and Lake Michigan. Michigan is the state with the most shoreline on these...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |
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| Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS...81MINERALS ā .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...āveinstoneā contains the following species of minerals: Prehnite, Calc. Spar, Laumontite, Leonhardite, Quartz, |
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| Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...of the dense basalt matrix at the Wolverine No. 2 mine dump. These small and inexpensive detectors have...agate itself. Collected by Ray Just, C & H No. 21 mine, 10 July 2011. uring the past sixty years (1952ā2012)...various mine dumps along the Kearsarge copper-bearing amygdaloidal lode in Houghton County, Michigan. These...excavating the agatebearing zone of the Wolverine No. 2 mine dump during the annual Copper Country Mineral Retreat |
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| Photographs JanuarylFebruary: Copper, Ray, Pinal County, Arizona. Les Presmyk specimen, Jeff Scovil photo...with quartz and albite, Tourmaline Queen mine, San Diego County, California. Houston Museum of Natural...claims, Farncomb Hill, Breckenridge district, Summit County, Colorado. Denver Museum of Natural History specimen...Azurite on malachite ring, Flambeau mine, Ladysmith, Rusk County, Wisconsin. Dan Behnke specimen and...Sweetwater mine, Reynolds County, Missouri. Marvin Rausch specimen, Jeff Scovil photo. Adularia, Michigan, I10 |
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| Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native Copper District Sixteenth...Copper Country TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he...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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| 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 |
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| Retreat Recap Alan Hills Stayed overnight near Ontonagon on the Lake Superior shoreline. I walked along...the Caledonia Mine near Adventure Mine. I had signed up for a full day of mining inside the mine. I had...others in our party plus the two trip guides. The mine was cool but we all stayed warm moving rock (spoil...through about 4 feet of rock. Once the floor of the mine is reached, the going is maybe easier since the...specimens including one I quickly dubbed the "Nike of Caledonia" since it reminded me of the "Victory of Samothrace |
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| Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506 Pine Street Magdalena...5.5 Ć 10.0 cm, attributed to the South Kearsarge mine. Authorās specimen, Terry Huizing photo. 276 ROCKS...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became...calcite, datolite, epidote, microcline, natrolite, prehnite, and quartz. The longevity of the lode kept collectors...miners until 1967 when all mining ceased. Many of the mine dumps have disappeared through the years because |
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| Wulfenite, Empire mine, Tombstone, Arizona; Wendell E . Wilson photo and specimen. March/April: Mine engineers...engineers, Camp Bird mine, Colorado; Tom Rosemeyer historiĀ cal photo. May/June: Barite on calcite, Stoneham...Muntyan photo. July/August: Fluorite, William Wise mine, Westmoreland, New Hampshire; ResurĀ rection Mining...Keweenawan Basalt, South Range Quarry, Douglas County, Wisconsin, W. S. Cordua, 412-415 Anatase, New...Lalish, 313 Colorado: barite, 202-222; Camp Bird mine, 113-149; National Mining Hall of Fame and Museum |
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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 |
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| 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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| Loseyite, Mn4 Zn3 (CĀ·O3) 2(OH) 10 from Franklin Sussex County, New Jersey: A New Physical Descriptioll VaĀ·nKlng...fl;11nb11ri:. H.irdy&tonTowns.hip, S111,s.c.ll: County, NJ. 11 1 interā¢ ting 111111 Lo y hrm a mincr...identification of a post-mine efflorescence, on wooden timbers, from the Max mine, Bleiberg, Carinthia....The Minerals ofFranklin and Sterling Hill, Sussex County, New Jersey, U. S. G. S. Professional Paper 180...makes an interesting observation using CIA land mass data that identifies Switzerland as the most prolific |
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| University] at 20:58 18 March 2015 57647 Caledonia Street Calumet, Michigan 49913 tajmahal@gilanet.com History...the Manganese Mine Keweenaw County Michigan Tom Rosemeyer, a native of Upper Michigan, is a graduate...graduate of Michigan Technological University in Houghton. He now spends a good part of the year in the Copper...ocated in the rugged Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits that occur...Figure 2. Tom Rosemeyer about to descend into the mine through the small surface opening that led to the |
Caledonia Mine, Mass City, Ontonagon County, Michigan, USA