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Microcline from
Northwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Northwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:101946
Long-form Identifier:1:3:101946:9
GUID (UUID V4):e4954578-ae21-4da7-944d-7a091f645ba5
Nearest other occurrences of Microcline
2.1km (1.3 miles) Copper Falls Mine, Copper Falls, Eagle Harbor, Keweenaw County, Michigan, USA
6.3km (3.9 miles) Connecticut Mine, Eagle Harbor, Keweenaw County, Michigan, USA
6.9km (4.3 miles) Phoenix Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA
7.2km (4.5 miles) Delaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA
10.1km (6.3 miles) Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
12.2km (7.6 miles) Ojibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA
15.7km (9.8 miles) Iroquois Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
16.7km (10.4 miles) Mohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA
16.8km (10.5 miles) Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
19.2km (11.9 miles) Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
References
Reference Search (possible matching items)
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 (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
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...Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v.v. 40, 1 PREFACE PREFACE In 1983 1983..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake
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 .
Book (volume)
Dahlonega Co. and Rabum Co., and  the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock 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 floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON:  at Holton Quarry, 7½ mi. NWagate;  N
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...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)
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...the Michigan Copper Country, is located on the sparsely populated, isolated, and scenic Keweenaw Peninsula...Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with lake-effect...feet (6,400 vertical feet), making it the deepest mine shaft in the Western Hemisphere. Tom Rosemeyer collection
Journal (article/letter/editorial)
News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3—Recent...years have passed since the last “News from the Keweenaw”; this article updates new finds to the spring...native of Upper Michigan and a graduate of Michigan Technological University in Houghton. Since retiring...year. During the last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction...construction in the Keweenaw. However, extensive logging operations, primarily in Keweenaw County, have increased
Journal (article/letter/editorial)
57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1. A delicate group...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 Michigan’s Copper Country T he Michigan Copper Country, also known as the Lake Superior...scenic Keweenaw Peninsula, which juts out into Lake Superior at the western end of Upper Michigan. The
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)
as are composite crystal groups formed around a central crystal. Complex concentric structures are also...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...Montclair and Verona in Essex County, the Houdaille quarry at Summit in Union County, and quarries near Millington
Journal (article/letter/editorial)
Survey, National Center-MS 954, Reston, VA 22092, USA (Received October 10, 1990; accepted after revision...Survey, National Center--MS 954, Reston, VA 22092, USA. tinent rift system (MRS) of North America is one...including the famous native copper deposits of the Keweenaw Peninsula, the stratiform copper sulfide and native...native copper deposits of the White Pine mine area, and Cu-Ni sulfide deposits in the Duluth Complex...sedimentary rocks. The rift is characterized by a central zone of mafic igneous rocks, marked by conspicuous
Journal (issue)
Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Ml George W. Robinson Natl. Museums...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Topaz-Mineral Exploration (1605 Hillcrest, Grand Haven, Michigan 49417) wishes to announce that he is now stocking...Person-other—Other persons such as miners, field assistants, mine managers, etc. Place —Used when a mineral is named
Journal (article/letter/editorial)
Photographs January/February: Crocoite, Adelaide mine, Dundas, Tasmania, Australia. Francis Benjamin specimen...Scovil photo. March/April: Galaxy opal, Opalville mine, lease 135, Jundah, Queensland, Australia. Owner...July/August: Silver, Wolverine mine, Kearsarge lode, Keweenaw County, Michigan. William Severance specimen...(Hallelujah Junction), Petersen Mountain, Washoe County, Nevada. Paul Geffner specimen, Jeff Scovil photo...November/December: Millerite, Sterling mine, Antwerp, Jefferson County, New York. National Museum of Natural
Book (volume)
collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift of the Late Pleistocene...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods
Book (volume)
collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift of the Late Pleistocene...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods
Report (issue)
SURVEY Dallas L. Peck, Director Published in the Central Region, Denver, Colo. Manuscript approved for publication...end of Lake Superior southwestward into south-central Kansas, can be divided into three segments that...sedimentary rocks in Minnesota, Wisconsin, and Michigan were examined, sampled, and described with the...from north-central Wisconsin northeastward throughout the Keweenaw Peninsula in Michigan, and on Isle...volcanic rock fragments, high content of altered microcline, lack of micas, and the occurrence of zeolites
Book
variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company...five book-format issues (8/#3, Tsumeb; 23/#2, Michigan Copper Country; 23/#4, Yukon Phosphates; 24/#2...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298
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
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
Journal (article/letter/editorial)
THE CLIFF MINE, discovered in 1844, is located on the Keweenaw Peninsula of Upper Michigan in the heart...first mine on the "Keweenaw" to pay dividends to stockholders. Throughout its history, the mine also produced...over. N ative copper was first mined on the Keweenaw Peninsula several thousand years ago by Native...period but ended unsuccessfully. Dr. Douglass Houghton first visited the copper region in 1830 and published...controlled three mineral tracts on the northern part of Keweenaw Peninsula. After examining the copper prospect
Show/Event (guide)
Eye Candy Clockwise from top left: Silver, ZCA #3 mine, Balmat, NY; Fluor-dravite, road cut near Gouvemeur...Gouvemeur, NY; Quartz (Japan-Law twin), Ellenville Lead mine, Ellenville, NY; Quartz, Bower Powers farm, Pierrepont...John Jaszczak is a full professor of physics at Michigan Technological University and adjunct curator of...historic Spinelli Prospect, Glastonbury, Hartford County, Connecticut - A. J. Albini & H. Moritz. 2:30...warwickite, and dissakisite-(Ce) from New York State, USA - M. V. Luoulescu. R. Rowe, D. G. Bailey, & M. Hawkins
Report (issue)
Extent and General Nature of the Keweenaw Series Lithology of the Keweenaw Series Section I. Basic Original...III. Summary View of the Original Rocks of the Keweenaw Series Section IV. Detrital Rocks Chapter IV....Features of the Three Classes of Rocks of the Keweenaw Chapter Chapter II. 24 III. 34 '. 35 91... General Stratigraphy of the Keweenaw Series Chapter VI.— The Keweenaw an Rocks op the South Shore of...of Lake Superior Introductory 152 Section I.— Keweenaw Point Section II.— The Region between Portage
Report (volume)
four regions: the Pacific Coast, Great Lakes, central Kentuckyeastern Tennessee, and the Atlantic Coast-Piedmont...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great
 
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