| Classification |
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| Species: | Chalcocite |
| Formula: | Cu2S |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcocite data |
| Locality Data: | Click here to view Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 406286 |
| Long-form Identifier: | 1:3:406286:8 |
| GUID (UUID V4): | 36c75dc0-b613-4a13-a32c-5210a869c787 |
| Nearest other occurrences of Chalcocite |
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| 5.4km (3.4 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 10.8km (6.7 miles) | ⓘCopper Harbor Conglomerate stromatolite outcrops, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 13.0km (8.1 miles) | ⓘDan's Point, Eagle Harbor, Keweenaw County, Michigan, USA |
| 14.5km (9.0 miles) | ⓘG-2 Prospect, Bete Grise, Grant Township, Keweenaw County, Michigan, USA |
| 18.1km (11.2 miles) | ⓘLac La Belle Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 18.3km (11.4 miles) | ⓘMount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 18.3km (11.4 miles) | ⓘMendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 19.1km (11.9 miles) | ⓘ813 - Mt. Bohemia West Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 21.6km (13.4 miles) | ⓘG-13 Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 23.4km (14.5 miles) | ⓘG-12 Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | Jones, S.M., Prave, A.R., Raub, T.D., Cloutier, J., Stüeken, E.E., Rose, C.V., Linnekogel, S., Nazarov, K. (2020) A marine origin for the late Mesoproterozoic Copper Harbor and Nonesuch Formations of the Midcontinent Rift of Laurentia. Precambrian Research, 336. 105510 doi:10.1016/j.precamres.2019.105510 | Journal (article/letter/editorial) | | marine origin for the late Mesoproterozoic Copper Harbor and Nonesuch Formations of the Midcontinent...Supergroup Copper Harbor Formation Nonesuch Formation Lacustrine Mesoproterozoic The c. 1.1 Ga Copper Harbor...leads to the conclusion that parts of the upper Copper Harbor Formation and the entirety of the Nonesuch Formation...pseudomorphs after gypsum in the upper 200 m of the Copper Harbor Formation and in numerous stratigraphic positions...oxygenation that rely on the Nonesuch Formation and Copper Harbor stromatolites having been deposited within a |  | | 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) | | 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 |  | | Book | | Park 13700 13.25 Lane Garden, Michigan 49835 Tel: (906) 644-2603 Keweenaw Peninsula Jill Barbour (jnbarbour@mtu...Department of Geological Sciences & Engineering Michigan Technological University 1400 Townsend Dr., Houghton...Rocks National Lakeshore P.O. Box 40, Munising, Michigan 49862 Tel: (906) 387-2607 / Email: David_Kronk@nps...Mining Engineering and Sciences (adjunct) Northern Michigan University Marquette, MI 49855 Tel: (906) 227-1176...Porritt, Dept of Geological Sciences & Engineering, Michigan Technological University Michelle Miller, Center |  | | Journal (issue) | | THE BOUNTIES OF FREMONT COUNTY 38 WHERE'S THE MIDWEST'S SILVER 40 COPPER BOULDERS 42 AGATE BEDS...Inducted with cataloofl • MOST ITEMS POSTPAID TO USA DESTINATIONS e 100°!. SATISFACTION GUARANTEE Y1S4'...Indian Arifacts; F:.-ancis and Helen Vore, Arizona Copper Minerals; Ray Shum, Gemstone Lampshades; Sue Arnold...795-5743. * PrilU!ville s•ow at tlle CROOK COUNTY FAIRGROUNDS PRINEVILLE, OREGON June 20 - 25, 1988...Community Center, 300 N. Groesbeck, Mt. demens, Michigan. There will be exhibits of minerals and many facets |
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