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| BEDROCK GEOLOGY AND COPPER DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN By Robert F. Johnson...Johnson and Walter S. White JULl 5 1969 DENVER Open-file report 1969 This report is preliminary and...Lava Series 3 Unnamed formation 5 Copper Harbor Conglomerate 9 Nonesuch Shale 13 Jacobsville Sandstone...BEDROCK GEOLOGY AND COPPER DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN ' ~ By Robert...and Walter S. White INTRODUCTION The Matchvood quadrangle is in central Ontonagon County, just west of |
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| stratiform copper mineralization in the White Pine-Presque Isle District, northern Michigan Alex C. Brown...curious occurrence of copper-rich early diagenetic sediment-hosted stratiform copper mineralization in the...finest-grained facies of Nonesuch greybeds in northern Michigan has been previously attributed to the warming...of cupriferous brines in the footwall Copper Harbor Conglomerate by latent volcanic heat from the subjacent...employed here to explain other unique aspects of the White Pine-Presque Isle mineralization: the abrupt downward |
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| UNDERLYING THE WHITE PINE-PRESQUE ISLE STRATIFORM COPPER MINERALIZATION, NORTHERN MICHIGAN Alex C. Brown†...Quebec, Canada H9A 1K9 Abstract Economic stratiform copper mineralization in the fine-grained, carbonaceous...Formation of the ~50-km-wide White Pine-Presque Isle mining district, northern Michigan, has long been explained...strata from the underlying Copper Harbor Conglomerate aquifer, followed by copper precipitation mainly by...Based on that model, why do lesser amounts of total copper, measured in vertical sections, occur in coarser |
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| minerals of Michigan’s Copper Country flep)LOSO ofrhe Copper Range Company, White Pine, Michrgm Used wuh permission...Ouray, Colorado 81427 he White Pine mine and adjacent town of White Pine are located about 6 miles south...the western part of Ontonagon County, Michigan. The area is accessible by Michigan Highway 64, which winds...elevation above Lake Superior. The mine lies within a belt of copper-bearing Precambrian rocks that extends...a distance of 160 miles. The White Pine sediment-hosted stratiform copper deposit is separated both stratigraphically |
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| Nowmga, COPPER OF MINERALIZATION THE COPPER AT WHITE STANLEY SOCIETY OF GEOLOGISTS IN HARBOR PINE...PINE, K. No. 1967 THE UPPER 7 PART CONGLOMERATE MICHIGAN HAMILTON CONTENTS PAGE Abstract .................................... Geologyof the White Pine area ..........................................Stratigraphyand mineralizationof the CopperHarbor conglomerate........ Stratigraphy .........................Disseminatedcoppermineralizationin the CopperHarbor conglomerate.. Coppermineralizationand cross-stratification |
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| theWhitePine CopperDeposit,NorthernMichigan WALTER S. WHITE Abstract Pertinent physicalpropertiesof the upper...various paleohydrologic modelsfor the origin of the White Pine copperdepositfeasible. The approachis illustrated-hereby...subjacentCopperHarbor Conglomerate to the site of the depositand stripping of copper from these solutionswhere...was yielded by compactionof the CopperHarbor Conglomerate and contained50 ppm Cu, there musthavebeensignificant...convergence-ofsolutionpathstoward White Pine. Surface water entering the Copper Harbor Conglomerateon the north |
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| Amsterdam 189 Organic matter and copper mineralization at White Pine, Michigan, U.S.A. Jeffrey L. Mauk a and...Arbor, M148109, USA bGeology Department, lndiana University, Bloomington, IN 47405, USA (Received May 21..., 1992. Organic matter and copper mineralization at White Pine, Michigan, U.S.A. In: P.A. Meyers. L.M...events at White Pine, Michigan. Samples of the Proterozoic Nonesuch Formation from the White Pine mine and...direct reductant. Later compressional faulting at White Pine provided conduits for additional cupriferous |
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| with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...of Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...COVER: Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard...Burbank) wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. |
 | Gallagher, Timothy M., Sheldon, Nathan D., Mauk, Jeffrey L., Petersen, Sierra V., Gueneli, Nur, Brocks, Jochen J. (2017) Constraining the thermal history of the North American Midcontinent Rift System using carbonate clumped isotopes and organic thermal maturity indices. Precambrian Research, 294. 53-66 doi:10.1016/j.precamres.2017.03.022 | Journal (article/letter/editorial) |
| Sciences, University of Michigan, 1100 N University Avenue, Ann Arbor, MI 48109, USA U.S. Geological Survey...Survey, P.O. Box 25046 MS 973, Denver, CO 80225, USA c Research School of Earth Sciences, Australian National...isotope results from late-stage veins in the White Pine Mine encompass a greater temperature range (49–116...the mid-19th century with the discovery of native copper deposits on the Keweenaw Peninsula within the Portage...Volcanic Group and within the Nonesuch Formation at White Pine (Fig. 1; ⇑ Corresponding author. E-mail address: |
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| 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 |
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| 1437–1444 GENESIS OF NATIVE COPPER LODES IN THE KEWEENAW DISTRICT, NORTHERN MICHIGAN: A HYBRID EVOLVED METEORIC...northern Michigan is well known for early diagenetic sulfide-dominant sediment-hosted stratiform copper mineralization...the Nonesuch Formation in the White Pine district, and later native copper lodes hosted mainly by flow-top...stratigraphically lower Portage Lake Volcanics. The native copper mineralization is generally attributed to downdip...aquifers), similar to the fluid which formed the White Pine mineralization. This model has several advantages |
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| filling from a basaltic Houghton County lava flow. Small specks of native copper occur as inclusions near the...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 |
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| matter and copper mineralization in the Proterozoic Nonesuch Formation, northern Michigan Eileen S. Ho...Geological Sciences, University of Michigan, Ann Arbor, Michigan 48109-1063, USA b Geology Department, University...from strata hosting the White Pine stratiform copper deposit in northern Michigan provides insight into...rock and organic extract analyses were performed on mine and core samples from five gray beds ("stripey"...the "lower" sandstone of the underlying Copper Harbor Conglomerate. Bitumen is degraded in both mineralized |
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| Michigan’s Copper Country Eleventh in a series of articles on the mines and minerals of Michigan’s Copper Country...calcite/quartz veins in the Copper Harbor Conglomerate. Author’s photo. TOM ROSEMEYER 506 Pine Street PO Box 369...minor and major, continue to be made in Michigan’s Copper Country. The May/June 1998 and the November/December...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...from the mining industry, he has returned to the Copper Country on a seasonal basis to engage in mining |
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| 1967 No. GEOCHRONOLOGY OF THE KEWEENAWAN WHITE PINE, MICHIGAN • SAMBHUDAS CHAUDHURI AND GUNTER 8 ...methodof several suites of felsite from the White Pine area of Michigan indicate dates ranging from 978 q- 40...the Nonesuch Shale exposed in the mine workings of the White Pine Mine were analyzed. These samplesform...samplesextractedfrom chalcocite of the ore body at White Pine was found to be anomalous. This suggeststhat...diageneticrather than a syngeneticorigin for the copper sulfide in the basal portion of the NonesuchShale |
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| Quadrangle, Michigan and Wisconsin Prepared in cooperation with Geological Survey Division, Michigan Department...Assessment of the Iron River 1 ° X 2° Quadrangle, Michigan and Wisconsin By W. F. Cannon GEOLOGICAL SURVEY...in cooperation with Geological Survey Division, Michigan Department of Natural Resources, and Wisconsin...assessment of the Iron River 1° X 2° quadrangle, Michigan and Wisconsin. (Geological Survey circular ; 887)...mineral resources Michigan. 2. Mines and mineral resources Wisconsin. I. Michigan. Geological Survey |
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| Mesoproterozoic Nonesuch Formation, northern Wisconsin, USA Esther Kingsbury Stewart, Jeffrey L. Mauk PII: DOI:...Mesoproterozoic Nonesuch Formation, northern Wisconsin, USA, Precambrian Research (2017), doi: http://dx.doi...Mesoproterozoic Nonesuch Formation, northern Wisconsin, USA Esther Kingsbury Stewart†1 and Jeffrey L. Mauk2 †Corresponding...fluvial-alluvial facies association (upper Copper Harbor Conglomerate) is overlain across a transgressive surface...observations of core and outcrop in Wisconsin and Michigan. Cumming et al. (2013) also favor a lacustrine |
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| articles on the mines and minerals of Michigan's Copper Country Rocks & Minerals 2001.76:156-188. Tom...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...(chalcocite) deposit at the White Pine mine and (2) the world-class native copper deposits that occur in the...Lake Volcanics (PLV) and the Copper Harbor Conglomerate. The native-copper deposits can be further divided |
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| ZONING IN THE SHALE, NORTHERN WALTER S. WHITE BASAL MICHIGAN 7 NONESUCH • AND JAMES C. WRIGHT ABSTRACT...baseof the Nonesuch Shale,is relativelyrich in copper,chieflyas chalcocite.Pyrite is the characteristic...to a zone of wedging in the underlying Copper Harbor Conglomerate. I NTRODIJ CTIO N METALLICsulfides...ageexposedin the westernpart of the Upper Peninsulaof Michigan (10, p. 407-408). A descriptionof this zoning...PorcupineMountain region. It lies between the CopperHarbor Conglomerate,below, and the Freda Sandstone,above. Figure |
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| TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Up Twenty-first in...articles on the mines and minerals of Michigan’s Copper Country from the Depths Underwater Recovery...KEWEENAW COUNTY, MICHIGAN Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological...University. He now spends a good part of the year in the Copper Country researching and writing articles on the...shoreline of Lake Superior at Esery Park, Keweenaw County. Larry Maltby photo (July 2013). Figure 3. Map |
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| Minnesota-Duluth, Duluth, MN, 55812, USA b University of Wisconsin-Superior, Superior, Wl, USA Accepted 20 August 2001... two deep boreholes in the Upper Peninsula of Michigan are described in detail for the first time. Both...heterogenous unit of intercalated red bed units of conglomerate, sandstone, siltstone, and shale; black shale;...west, there is no conglomerate unit to correlate with the Copper Harbor Conglomerate. Other key boreholes...1355 Jefferson Forest Lane, Blacksburg, VA 24060, USA. 0037-0738/02/$ - see front matter D 2002 Published |
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| Calumet, Michigan 49913 tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw...Keweenaw County Michigan Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological...Houghton. He now spends a good part of the year in the Copper Country researching and writing articles about...articles on the mines and minerals of Michigan’s Copper Country Downloaded by [Lakehead University] at...ocated in the rugged Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits that occur |
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| ESTIMATING THE COPPER DERIVED FROM RED BEDS IN THE SEDIMENT-HOSTED STRATIFORM COPPER DEPOSIT MODEL ALEX...tonnage of copper metal leached from footwall red beds to form sediment-hosted stratiform copper deposits...deposits are based on the amounts of copper at ppm levels that might have been derived from the volume of red...beds underlying given sediment-hosted stratiform copper deposits. That static calculation is replaced here...process-based approach in which the release of copper results from the progressive diagenetic alteration |
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| February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...Besse. arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered...Gull Rock fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...to the White Pine mine at the southern end of the district. Keweenaw Point, Keweenaw County The waters |
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| 1691–1694 DISTRICT-SCALE CONCENTRATION OF NATIVE COPPER LODES FROM A TECTONICALLY INDUCED THERMAL PLUME...ORE FLUIDS ON THE KEWEENAW PENINSULA, NORTHERN MICHIGAN ALEX C. BROWN†,* Department of Civil, Geological...Quebec, Canada H3C 3A7 Abstract Economic native copper lodes in the Lake Superior district are confined...of the mine district on that promontory. Introduction The restriction of economic native copper lodes...northern Michigan has long perplexed exploration geologists. Minor amounts of native copper are found |
