 | 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) | | active copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J. J. Runner, A. A....Ore.bodies ................. 10 Central Exploration fissure mine, 12 Introduction.................. The Ore..................... 13 Iroquois Exploration............ 16 Introduction... ..............Distribution of copper,.*»...................... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.*...copper*«...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction |  | | 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 |  | | 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) | | in celebrating the rich mineral heritage of the Keweenaw Peninsula’s datolite by diving into this article...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...January 2015 1. Cliff mine 2. Phoenix mine 3. Centralmine 4. Central Exploration 5. Delaware group of...pit 7. IronCity(Empire)mine 8. Capemine 9. Clatkmine 10. starmine 11. Keweenaw Point Historical information |  | | 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...and Hays exploration 2. Cliff mine 3. Phoenix group of mines 4. Central mine 5. Northwestern mine 6. Central...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) | | from a large vug in the fissure vein of the Cliff mine; the largest crystal is 2 cm across. The specimen...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...Jaszczak photo. Figure 18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy...on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...Burbank 1929). Cliff Mine After the failed 1844 mining venture at the Hays exploration site near Copper Harbor |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | Report (volume) | | International Union of Geodesy and Geophysics. Bureau Central de l'Association International de Geodesie. Paris...Official journal of the European Association of Exploration Geophysicists. The Hague, Netherlands. Geophysics-...Geophysics- Geophysics. Society of Exploration Geophysicists. Tulsa, Okla. Georgia Acad. Sci. Bull.- Bulletin...Science. Athens, Ga. Geos - Geos. Universidad Central de Venezuela, Escuela de Geologia, Minas y Metalurgia...Ky. Kentucky Geol. Survey County Rept. - Kentucky Geological Survey County Report. University of Kentucky |  | | Report (volume) | | Official journal of the European Association of Exploration Geophysicists. The Hague, Netherlands. Geophysics-...Geophysics- Geophysics. Society of Exploration Geophysicists. Tulsa, Okla. Georgia Acad. Sci. Bull. - Bulletin...London, England. Idaho Bur. Mines and Geology County Rept. County Report. Moscow, Idaho. Academic Press. ...Los Angeles County Mus. Contr. Sci. in Science. Los Angeles, Calif. Los Angeles County Museum Contributions...Contributions Los Angeles County Mus. Nat. History Quart.- Los Angeles County Museum of Natural History Quarterly |  | | Report (volume) | | Internat. Symposium on Antarctic Glaciological Exploration (ISAGE), Hanover, N.H., 1968 [Proc.]: Internat...Adams, SamuelS. Geology in potash mining and exploration [abs.]: Mining Eng., v.22,no. 1,p.41, 1970. ...Aeromagnetic, gravity, and electrical resistivity exploration between Pahala and Punaluu, Hawaii: Hawaii Univ... George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in...1970. 04915 Addle, George G. The Reeves MacDonald mine, Nelway, British Columbia, [Chap.] 7 in Lead-zinc |  | | Report (volume) | | sectwn of Paleozotc rocks from Butler County to Stafford County, Kansas Kansas Geol Survey Otl and Gas...wells on a cross section from Barber County, Kansas, to Caddo County, Oklahoma Oklahoma Geol Survey Gutdebook...and Desmomestan rocks m the Arkoma Bas10 of east-central Oklahoma· Jour Sed Petrology, v 33, no 2, p 393-410...Robert J Three dtmenswnal models of geologic exploration, m Cahforma Assoc Eng Geologists, 5th Ann Mtg...deposits of East Shasta copper-z10c dtstnct, Shasta County, Cahforma U S Geol Survey Prof Paper 338, 107 p |  | | Report (issue) | | Professional Paper 525. Numerous Federal, State, county, and municipal agencies listed on pages A221-A225...Wisconsin _____________________________ _ A30 Michigan _____________________________ _ 30 Ohio _____...Detergents and pesticides in water supplies ___ _ Acid mine waters __________________________ _ Indus trial...studies ________________________ _ Geochemical exploration ____________________ _ Geochronological studies...area and Upper Mississippi Valley _________ _ Michigan _________________________________ _ Iowa ____ |  | | Book | | Earth about 4 000 million years ago. In Jupiter's central core, or scattered through- out its interior...compress the gases tightly. It probably has a central body of solid hydrogen much smaller than that of...travel with slightly increased velocity through its central part which indicates that the very centre of the...is continually being added to by the the Ahovc Mine workings Mountains of in the Troodos Cyprus...type) central eruptive type. In fissure eruptions, lavas, fed 1 km stratovolcano Central eruptive |  | | Book | | Handbook of Exploration Geochemistry VOLUME 7 Geochemical Remote Sensing of the Sub-Surface Handbook... Handbook of Exploration Geochemistry VOLUME 7 Geochemical Remote Sensing of the Sub-Surface H A N D B...PROSPECTING ROCK GEOCHEMISTRY IN MINERAL EXPLORATION REGOLITH EXPLORATION GEOCHEMISTRY IN TROPICAL AND SUB-TROPICAL...SUB-TROPICAL TERRAINS REGOLITH EXPLORATION GEOCHEMISTRY IN ARCTIC AND TEMPERATE TERRAINS DRAINAGE GEOCHEMISTRY...REMOTE SENSING OF THE SUB-SURFACE Handbook of Exploration Geochemistry VOLUME 7 Geochemical RemoteSensing |
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Central Exploration Mine, Central, Houghton Township, Keweenaw County, Michigan, USA