| Locality type: | County |
| Classification |
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| Species: | Epidote |
| Formula: | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | ⓘ74 photos of Epidote associated with Quartz at this locality. |
| Copper | 61 photos of Epidote associated with Copper at this locality. |
| Calcite | 30 photos of Epidote associated with Calcite at this locality. |
| Pumpellyite Subgroup | ⓘ19 photos of Epidote associated with Pumpellyite Subgroup at this locality. |
| Saponite | ⓘ16 photos of Epidote associated with Saponite at this locality. |
| Prehnite | ⓘ13 photos of Epidote associated with Prehnite at this locality. |
| Malachite | ⓘ7 photos of Epidote associated with Malachite at this locality. |
| Silver | ⓘ6 photos of Epidote associated with Silver at this locality. |
| Agate | 6 photos of Epidote associated with Agate at this locality. |
| Chlorite Group | ⓘ5 photos of Epidote associated with Chlorite Group at this locality. |
| Data |
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| Mineral Data: | Click here to view Epidote data |
| Locality Data: | Click here to view Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 161927 |
| Long-form Identifier: | 1:3:161927:0 |
| GUID (UUID V4): | 77faf33d-ae9e-47dd-96c1-82f95f2c0238 |
| Localities for Epidote in this Region |
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| Atlantic Mine, Atlantic Mine, Adams Township, Houghton County, Michigan, USA |
| Atlantic Section 16 Exploration Prospect, Baltic, Adams Township, Houghton County, Michigan, USA |
| Baltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA |
| Champion Mine, Champion Mine, Adams Township, Houghton County, Michigan, USA |
| No. 4 shaft, Champion Mine, Champion Mine, Adams Township, Houghton County, Michigan, USA |
| Globe Mine, Painesdale, Adams Township, Houghton County, Michigan, USA |
| Six Mile Hill, Adams Township, Houghton County, Michigan, USA |
| Trimountain Mine, Trimountain, Adams Township, Houghton County, Michigan, USA |
| Calumet, Calumet Township, Houghton County, Michigan, USA |
| Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| No. 1 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| No. 21 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| Red Jacket Shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| South Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| No. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| No. 6 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| Tamarack Junior Mine (Tamarack Jr. Mine), Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| Kearsarge Mine, Kearsarge, Calumet Township, Houghton County, Michigan, USA |
| North Kearsarge Mine, Kearsarge, Calumet Township, Houghton County, Michigan, USA |
| South Kearsarge Mine, Kearsarge, Calumet Township, Houghton County, Michigan, USA |
| Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA |
| No. 4 shaft, Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA |
| No. 5 shaft, Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA |
| Tamarack Waterworks Beach, Calumet Township, Houghton County, Michigan, USA |
| Wolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA |
| Wolverine No. 2 shaft, Wolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA |
| Erie-Ontario Mine, Donken, Elm River Township, Houghton County, Michigan, USA |
| Elm River Mine, Twin Lakes, Elm River Township, Houghton County, Michigan, USA |
| Shawmut Mine, Twin Lakes, Elm River Township, Houghton County, Michigan, USA |
| King Philip Mine, Winona, Elm River Township, Houghton County, Michigan, USA |
| Winona Mine, Winona, Elm River Township, Houghton County, Michigan, USA |
| Wyandotte Mine, Wyandotte, Elm River Township, Houghton County, Michigan, USA |
| Franklin Jr. Mine (Albany & Boston; Peninsula), Boston, Franklin Township, Houghton County, Michigan, USA |
| Rhode Island Mine, Boston, Franklin Township, Houghton County, Michigan, USA |
| Saint Mary's Mine, Boston, Franklin Township, Houghton County, Michigan, USA |
| New Baltic Exploration prospect, Franklin Township, Houghton County, Michigan, USA |
| Arcadian Mine, Ripley, Franklin Township, Houghton County, Michigan, USA |
| Arcadian No. 2 shaft, Arcadian Mine, Ripley, Franklin Township, Houghton County, Michigan, USA |
| New Arcadian Exploration, Ripley, Franklin Township, Houghton County, Michigan, USA |
| Ripley Exploration Prospect, Ripley, Franklin Township, Houghton County, Michigan, USA |
| Naumkeag Mine, Houghton, Houghton County, Michigan, USA |
| Sheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA |
| La Salle Mine, Osceola Township, Houghton County, Michigan, USA |
| Laurium Mine, Osceola Township, Houghton County, Michigan, USA |
| Oneco Exploration prospect, Osceola Township, Houghton County, Michigan, USA |
| Osceola Amygdaloid, Osceola Township, Houghton County, Michigan, USA |
| Tamarack Mine, Tamarack, Osceola Township, Houghton County, Michigan, USA |
| Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Isle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Isle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Isle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Houghton Exploration prospect, Superior, Portage Township, Houghton County, Michigan, USA |
| Superior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA |
| Quincy Mine, Quincy Township, Houghton County, Michigan, USA |
| Calumet & Hecla 1937 Exploration Shaft, Schoolcraft Township, Houghton County, Michigan, USA |
| Mayflower Old Colony Mine, Schoolcraft Township, Houghton County, Michigan, USA |
| Old Colony Exploration Prospect, Schoolcraft Township, Houghton County, Michigan, USA |
| St. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA |
| Jacobsville Sandstone, Torch Lake Township, Houghton County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Calumet and Hecla Conglomerate Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER 57647 Caledonia...Caledonia Street Calumet, Michigan 49913 datolite@charter.net T Twenty-eighth in a series of articles on the...Calumet and Hecla Conglomerate in Houghton and Keweenaw counties, Michigan. Every summer in the Copper Country...Collected at the Tamarack Jr. No. 1 mine, Houghton County, by Tom Rosemeyer, 11 August 2012. John A....native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends |  | | Journal (issue) | | the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) D e d ic ated to the Memory...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 . |  | | 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) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...and Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles on...about 1.3 miles east of the village of Laurium, Michigan. This little-known locality is seldom visited...of species, including quartz, pumpellyite-(Mg), epidote, calcite, hematite, prehnite, laumontite, and copper...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University, He now |  | | 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 |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...1997). The common gangue minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends...Mass City, Ontonagon County. This was in October 1962 when I and two other Michigan Tech students were...collected copper-included quartz crystals. In Keweenaw County most of the copper mines exploited the northern |  | | Journal (article/letter/editorial) | | Amygdaloidal Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...Kearsarge copper-bearing amygdaloidal lode in Houghton County, Michigan. These unusual agates, which range in...northern part of the Lake Superior copper district in Houghton and Keweenaw counties. The copper-bearing Portage...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University. He now...into Lake Superior at the western end of Upper Michigan, is located along the arch-shaped Middle Proterozoic |  | | 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) | | Iuyw I , < h,,,rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast...White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization occurs...the scientific world. From 1844 through 1995 the Michigan copper district produced a reported 14,595,357...15I-year period, five conglomerate bedsthe Allouez, Houghton, Calumet and Hecla, Kingston, and Minesota-within...to rounded Figure 2. A generalized map of the Michigan copper district showing the location of mines |  | | Journal (article/letter/editorial) | | Figure 1. Sibyl and Bill Severance, Ann Arbor, Michigan, Spring 1953, well before he started collecting...Seaman Mineral Museum at Michigan Technological University in Houghton, Michigan; Ross Lillie of North Star...of which were from the Tsumeb mine and 81 from Michigan, many of these with interesting histories. The...azurite was taken to Tony Kampf at the Los Angeles County Natural History Museum. Severance had agreed to...Among the odds and ends in the collection is the epidote with quartz and calcite from the Jumbo mine, Copper |  | | Journal (article/letter/editorial) | | cookrob@auburn.edu KINOITE Christmas Mine, Gila County, Arizona F ew states can approach, much less...mineral in vugs and veinlets in skarn, and in Michigan it occurs as a rare constituent of amygdule fillings...the northwest and Rosemont to the southeast, Pima County, Arizona. The locality is about 30 miles (48 kilometers)...fluorapophyllite from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen, Jeff...kinoite crystals from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen, Jeff |  | | Journal (article/letter/editorial) | | Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1...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...into Lake Superior at the western end of Upper Michigan. The now-dormant copper mining industry, which...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends |  | | Journal (article/letter/editorial) | | February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...end of the district. Keweenaw Point, Keweenaw County The waters off Keweenaw Point have drawn much attention...from the vein so far. Point Prospect, Keweenaw County Point prospect, located about 6 miles southeast...in the Point prospect vein. Fish Cove, Keweenaw County Yes, there are thunder eggs in the Copper Country...and Jim Flood in June 1998 at Fish Cove, Keweenaw County. Author's specimen, Ed Raines photo. cm in diameter |  | | Journal (article/letter/editorial) | | New York State Museum; and Dr. George Robinson, Michigan Technological University. neW DATA On MIneRALs...several former mines on the Keweenaw Peninsula, Michigan, has revealed the presence of several minerals...occurrence of anilite (Cu7S4) near Painesdale, Michigan (Heinrich and Robinson 2004), carbonate matrix...stromeyerite and is the first report of this mineral for Michigan. It has been suggested that alteration of silver-bearing...Anilite, 1.2 mm, from the Baltic mine, Houghton county, Michigan. Dan Behnke specimen and photomicrograph |  | | Journal (article/letter/editorial) | | Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became...minerals including analcime, calcite, datolite, epidote, microcline, natrolite, prehnite, and quartz. The...the A. E. Seaman Mineral Museum on the campus of Michigan Technological University will let you relive the...native of Upper Michigan and a graduate of Michigan Technological University in Houghton. Since retiring |  | | Journal (issue) | | scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...beautiful quartz specimens from Denny Mountain and King County, Washington, and the zeolites from the coastal...naturalized citizen while living in Mass, Ontonogan County, Michigan; by the time his petition was granted in 1911...datolite, analcite and associated minerals from the Michigan copper district. This is an old time collection...a clerk for the Associated Oil Company in Kern County, California. He later worked as a self-employed |  | | Journal (article/letter/editorial) | | AMYGDULE MINERAL SERIES, RICHARD E. ZONING IN MICHIGAN STOIBER THE COPPER AND EDWARD PORTAGE DISTRICT...Superior flows of Keweenawanage outside of the Michigan copper district ......................... Mineralogyof...KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite,epidote,and quartz zones...within the prehnitezoneand lower horizonswithin the epidote and quartz zones. Zone boundariescrossstratigraphichorizons...which is native copper. The chemicalconstituentsof epidote,prehnite, and quartz, and the wide distributionand |  | | Journal (article/letter/editorial) | | and Sciences Michigan Technological University Tom Rosemeyer is a native of Upper Michigan and a graduate...graduate of Michigan Technological University in Houghton. Since retiring from the mining industry, he has...MINERALS Part 2: Southern Keweenaw, Houghton, and Ontonagon Counties, Michigan Tenth in a series of articles...along with datolite localities in northern Keweenaw County and Isle Royale National Park. Part 2 discusses...Portage Lake Volcanics (PLV) in southern Keweenaw, Houghton, and Ontonagon counties. GEOLOGY AND MINERALIZATION |  | | 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...Superior native copper district, also known as the Michigan Copper Country, is located on the sparsely populated...into Lake Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with...indicated in brown. The expanded section from Houghton to Calumet shows the location of the individual |  | | Journal (article/letter/editorial) | | MICROCLINE IN THE NATIVE COPPER DEPOSITS OF MICHIGAN Ina KrorN, Stanf ord, U ni.oersity, C al'iJorni...intensive mining activity in the copper country of Michigan, and detailed study of the native copper deposits...is aware of only two such localities outside of Michigan from which secondary feldspar is reported. A "pink...the workings of the Mass, the Adventure, and the Michigan mines. About 60 miles northeast, the Arcadian...deposits of Michigan: tLS.G.S. ProJ. Paper 144, 59-60 (1929). 7 Broderick, T. M., Zoning in Michigan copper |  | | Catalog/List | | old stuff last summer on a show trip to northern Michigan. Got it right from a 65 year oJd ex-collector...the 1950's. From the iron mines around Champion, Michigan, you just can't get this material any more. Metallic...desired! $8.00 each! 3 VELVET MALACHITE: Ajo, Plma County, Arizona: 1-2 inch beauties of vibrant green velvet...each MARCASITE "SPIKEBALLS": Belle Fouche, Butte County, South Dakota: About the nicest marcasite specimens...00 eaoh. MOHAWKITE: Mohawk Mine; Keweenaw County. Michigan: From an old collection, this rare copper-nickelarsenate |  | | Report (issue) | | DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN By Robert F. Johnson and Walter S. White...DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN ' ~ By Robert F. Johnson and Walter S. White...The Matchvood quadrangle is in central Ontonagon County, just west of the Ontonagon River and its Middle...Counties by the Geological Survey Division of the Michigan Department of Conservation and the U.S. Geological...exposures in the vicinity of Portage Lake in Houghton County (White, Cornwall, and Swanson, 1953), underlies |  | | Journal (article/letter/editorial) | | native of Upper Michigan and a graduate of Michigan Technological University in Houghton. Since retiring...extensive logging operations, primarily in Keweenaw County, have increased the need for mine-run rock for...the Copper Range Company’s Champion mine in Houghton County. Downloaded by [Florida State University]...Copper District Figure 3. A generalized map of the Michigan copper district showing the location of new mineral...closing of all Calumet & Hecla, Inc. mines in Houghton and Keweenaw counties because of an unresolved |  | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 COPPER RAY MINE, PINAL COUNTY, ARIZONA Downloaded by [University of Regina]...include the New Cornelia pit, Pima County, and the Ray mine in Pinal County. Masses and sheets of crystalline...been found in the Chino mine, Santa Rita, Grant County, New Mexico. Fine specimens were also produced...the early years of mining in other nearby Grant County districts (Northrop 1959), and fine copper pseudomorphs...been collected at the Rose mine, also in Grant County. Elsewhere in New Mexico, beautiful copper specimens |  | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula, Michigan: Institute...Proceedings, 40th 40thAnnual AnnualMeeting, Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983)... time, we considered that that "It is held at Michigan Technological presumptuous for for us us to put |
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St. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA