 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula, Michigan: Institute...Proceedings, 40th 40thAnnual AnnualMeeting, Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983)... time, we considered that that "It is held at Michigan Technological presumptuous for for us us to put |  | | Journal (article/letter/editorial) | | Pewabic 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...ca. 1906, of the much-photographed multigabled Quincy No. 2 shaft-rockhouse, constructed in 1894. In |  | | 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 (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...number 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...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends |  | Cornwall, H.R., Runner, J.J., Stromquist, A.A., Swanson, R.W., White, W.S. (1949) Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan. Open-File Report Vol. 1949 (50-4) US Geological Survey doi:10.3133/ofr504 | Report (issue) | | copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J. J. Runner, A. A. Stromquist................. 10 Central Exploration fissure mine, 12 Introduction................ + (- ; Stratigraphy...Distribution of copper,.*»...................... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.*...of copper*«...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction............^.................... 32 Isle Royale mine ................................... 3U ; *" 30 |  | | Journal (article/letter/editorial) | | AMYGDULE MINERAL SERIES, RICHARD E. ZONING IN MICHIGAN STOIBER THE COPPER AND EDWARD PORTAGE DISTRICT...of the Michigan copper district ......................... Mineralogyof amygdaloidalrock on mine dumps...Portage Lake lava seriesof the KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite...chlorite, epidote,quartz,prehnite,nativecopper,and laumontite. Thispapersuggests a correlation between thedistribution...was obtained extendsfrom Victoria,Ontonagon County,Michigan,northeast to the end of theKeweenaw Peninsula |  | | Journal (article/letter/editorial) | | MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible...due to the parallel growth of xls. At the Hancock Mine, Hancock, it occurs upon xls of epidote and quartz...also at Centennial Mine, Calumet; Iroquois Mine, and Cliff Mine, Cliff; Quincy Mine, Hancock, with chlorastrolite;...chlorastrolite; Isle Royale Mines, Houghton; Seneca and Ahmeek Mines, Mohawk with epidote; in smaller amounts |  | | 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) | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | variety of minerals, including feldspars, prehnite, laumontite, and leucite, have been reported. Analcime is...crystallized and include calcite, stilbite, heulandite, laumontite, natrolite, pectolite, prehnite, datolite, apophyllite...the railroad tunnels through Bergen Hill, Bergen County, and similar specimens have been collected in railroad...Weehawken areas and quarries at Snake Hill, Hudson County. Exceptional analcime specimens have been collected...collected from many localities in Passaic County, such as quarries at Paterson and West Paterson (including |  | 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) | | Keweenaw Peninsula Native Copper District, Michigan, USA Thomas J. Bodden 1 , Theodore J. Bornhorst 1...Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals 2022, 12, 474. https://doi.org/10...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...oxygen and carbon isotopes; Keweenaw Peninsula; Michigan; burial metamorphism; fluid mixing; ore genesis |  | | 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) | | Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ........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...collector whose specialty was Michigan. He was also a past president of the Michigan Mineralogical Society and |  | | Journal (article/letter/editorial) | | 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...following species of minerals: Prehnite, Calc. Spar, Laumontite, Leonhardite, Quartz, Datholite, Chabasie, Mesotype |  | | Journal (article/letter/editorial) | | of x9o6--o7,Dr. A. C. Lane, State Geologist of Michigan, requestedme to make analysesof the waters of...neutralization of the free acid: labradorite,prehni'te,laumontite, datolite, analciteand pectolite. Of thesemineralsthe...Calcium and sodium chlorides were left in solution (mine waters), and silica was precipitated as quartz....of the samples. The following analysesof typical mine waters show the relation of sodiumto calciumwith...seenthat the sodiumin the upperlevel of the Centennial mine is in excessof the calcium, whereas in the lower |  | | Journal (issue) | | .. . . . . .. . ......... . .. . .. 144 ANCIENT MINE SAVED GREEK CIVI L I ZATION . ............... 147...specimens. When you bring home specimens collected at a mine, quarry, or other locality, WASH THEM in water with...COUNTRY By KIRIL SPIROFF Michigan College of Mining and Technology The Michigan Copper Country is of unique...1841 a report by Dr. Douglass Houghton, the first state geologist of Michigan, aroused interest in the economic...possibilities of the region. A monument to Dr. Houghton constructed from material from every geological |  | | Journal (article/letter/editorial) | | 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 |  | | 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,...this type of lode is credited to the Calumet No. 1 mine on the Calumet and Hecla Conglomerate lode, which |  | | 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 |  | | 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 |  | | 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 |  | | Book | | this publication. Peter P. Gleba December 2008 Quincy, Massachusetts Member Boston Mineral Club Reprinted...futile effort to reopen the former Chipman silver mine in Newbury. A brief exploratory foray into the Berkshires...companies led to a survey of the former Davis copper mine in Rowe, but that effort was abandoned, according... enough was found recently to warrant opening a mine. Hon's advice: "It is worth pursuing." Gleba, who...is also exploring in the area of the old Newbury mine and hopes sometime in his life to prospect in Australia |  | | Journal (article/letter/editorial) | | Northern Zone, including Providence County and the northern towns of Kent County, 2) the Middle Zone, including...towns of Washington County, and 3) the Southern Zone consisting of Washington County and southwestern Newport...Newport County. The greatest number of species and varieties appear in the Northern Zone. Miller attributes...Island—for example, steatite from Johnston in Providence County for carving bowls and pipes; red and yellow ochre...(originally Hackleton's Rock) at Lincoln, Provi dence County, in 1640. Limestone was quarried there and "burned" |  | | Book | | 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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