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Laumontite from
Mohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Mohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:98644
Long-form Identifier:1:3:98644:5
GUID (UUID V4):73d58691-2a8f-4147-9e36-f73c0b326bf5
Nearest other occurrences of Laumontite
2.3km (1.4 miles) Mass Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
3.2km (2.0 miles) Arsenide Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
7.2km (4.5 miles) North American Mine, Allouez Township, Keweenaw County, Michigan, USA
7.6km (4.7 miles) South Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
7.8km (4.9 miles) Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA
7.8km (4.9 miles) No. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA
7.8km (4.9 miles) Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
8.6km (5.3 miles) Seven Mile Point, Allouez Township, Keweenaw County, Michigan, USA
8.9km (5.5 miles) Tamarack Junior Mine (Tamarack Jr. Mine), Centennial Heights, Calumet Township, Houghton County, Michigan, USA
9.0km (5.6 miles) North Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
References
Reference Search (possible matching items)
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
Journal (issue)
large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...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)
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)
Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506 Pine Street...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
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)
MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...UNIVERSITY] at 03:21 25 August 2017 INTRODUCTION The Keweenaw Feninsula is well-known for its fine specimens...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible...chlorite minerals are the best found anywhere in the Keweenaw Peninsula. PUMPELLYITE (6Ca0.3Al 2 0 3 .7Si0 2...due to the parallel growth of xls. At the Hancock Mine, Hancock, it occurs upon xls of epidote and quartz
Report (issue)
active copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J. J. Runner, A. A.................. 10 Central Exploration fissure mine, 12 Introduction................ + (- ; Stratigraphy...... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.* *«* -.» » .*-* *» » * » » * Introduction...copper*«...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction............^.................... 32 Isle Royale mine ................................... 3U ; *" 30
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, in...this type of lode is credited to the Calumet No. 1 mine on the Calumet and Hecla Conglomerate lode, which
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...seriesthroughoutthe Lake Superior basin is like that of Keweenaw Peninsula,indicating that the mineral zones have...chlorite, epidote,quartz,prehnite,nativecopper,and laumontite. Thispapersuggests a correlation between thedistribution
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
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
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)
A FEW NOTES ON COLLECTING IN UPPER MICHIGAN BY LYLE DeRUSHA RR 1 Chippewa Falls, Wise. In an area comprising...miles which lies in the central portion of the Keweenaw Peninsula are some three hundred abandoned mines...Minnesota mine dumps. From here to Copper Harbor on the tip of the peninsula and the Adams Mine dumps are...worthy of looking over. The Mass and the Adventure mine dumps will also be used for road fill. So these...will end as collecting spots. The Algomah, Lake, Michigan, Caledonia, St. Louis, So. Lake, Victoria, are
Journal (article/letter/editorial)
TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...History and Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles...at the St. Louis mine, located about 1.3 miles east of the village of Laurium, Michigan. This little-known...pumpellyite-(Mg), epidote, calcite, hematite, prehnite, laumontite, and copper, that occur as free-growing microcrystals...microcrystals in amygdules contained in a lava flow top. The mine has also yielded uniquely banded agates that occur
Report (issue)
Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ............................................... 2 The Keweenaw Peninsula ......................................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
Journal (article/letter/editorial)
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)
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...controlled three mineral tracts on the northern part of Keweenaw Peninsula. After examining the copper prospect...of Upper Michigan, started his mining career with Calumet and Hecla as an underground mine geologist
Book (volume)
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...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils;
Book (volume)
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...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils;
Journal (issue)
..........663 MINERAL COLLECTING IN N ORlHERN MICHIGAN. By 1171n. E. L110 111a •.....•.••.......•..•••...LIBERTI COPPER MINE, MARYLAND. By Vernon / . ~filler .................... 665 THE ALICE ZINC MINE OF SOUTHERN...THE (llJ..4ltltY San Diego County-A Great GemBearing Area San Diego County, California, was at one time...camp of Copper City, better known as the Tubal Cain Mine. This camp was built around 1918 and had about a...body of manganese ore but none was found and the mine was shut Buckhorn Pass, Washinlfon 6 50 ROCKS
Journal (article/letter/editorial)
black botryoidal hematite from a working strip iron mine at Brookwood, Tuscaloosa Co., Ala. ALASKA—Some of...Brooklyn mine and adjacent prospects in the Red Mountain range near Silverton, San Juan County, Colo.,...Illinois to Buffalo State Park in central LaSalle County, 111. We found many sam115 pies of the fish-tail...visited the dumps of the Eagle-Picher Mine and the TriState Mine. We found galena, pyrite, marcasite,...Elizabethtown, Bartholomew Co., Ind. IOWA—From a coal strip mine near Melrose (Monroe Co.), Iowa, we have a specimen
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...Florida] at 00:43 01 January 2015 1. Cliff mine 2. Phoenix mine 3. Centralmine 4. Central Exploration 5...pit 7. IronCity(Empire)mine 8. Capemine 9. Clatkmine 10. starmine 11. Keweenaw Point Historical information
Catalog/List
limonitic gossan. 2x2". £3. 2. ANDREWSITE. Phoenix Mine, Linkinhorne, Cornwall. Light brownish yellow spherical...7. BEUDANTITE. ^. — 11 8. BORNITE. Carn Brea Mine, Illogan, Cornwall. 1" group of large sharp tarnished...cubic crystals. £3- 9. BORNITE. South Caradon Mine, St. Cleer, Cornwall. A rich solid mass of tarnished...specimen. 2i-xli". £2.50. 13. CASSITERITE. Poldice Mine, Gwennap, Cornwall. Sharp black in size on. massive...matrix. 22ix2i". £5. 18. CHALCEDONY. Pedn-an-Drea Mine, Redruth, Cornwall. An unusual specimen of translucent
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
 
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