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| SomeCopperSulfideDeposits Near Mount Bohemia,KeweenawCounty, Michigan JAMESM. ROBERTSON Abstract Coppersulfides...interestingamounts,have recentlybeendiscoveredin the Keweenaw Peninsulaof northernMichigan, a district long...sulfidesoccurextensivelyin the vicinity of Mount Bohemia,chieflyas open-space fillingsand replacements...sulfurhavebeenaddedto dikes and flow topsin the Mount Bohemiaarea,probablyby hydrothermal solutionsmoving...pre-existingflows. The chronologic sequence developedin the Mount Bohemiaarea is: dike emplacement and alteration |
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| 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 |
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| 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 . |
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| 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 |
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| 51. A classic calcite that is attributed to the Owl Creek fissure of the Copper Falls mine, this complex...3rd level of the Gribble vein in the Copper Falls mine. Of all the copper specimens recovered from the...Figure 50. One of the finest calcite crystals recovered from the Copper Falls mine in the early days of mining...recovered in the Copper Country in recent times. On the mine surface, beautiful microcrystals of analcime and...Petherick mine workings along the Copper Falls fissure. 320 ROCKS & MINERALS Clark Mine The Clark mine, about |
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| 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 |
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| (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 |
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| minerals of wide distribution, such as quartz and calcite, have been omitted, except those that by some unusual...Mathews, Johns Hopkins University, Baltimore. Michigan..........Mr. R. A. Smith, Lansing. Dr. A. C. Lane...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson |
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| :............................................. Michigan.................................................that are widely distributed, such as quartz and calcite, have been omitted, except those that by reason...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |
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| mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |
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| 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.... 1. La Roche Verte and Hays exploration 2. Cliff mine 3. Phoenix group of mines 4. Central mine 5. Northwestern...Northwestern mine 6. Central exploration 7. Delaware group of mines 8. Resolute mine 9. Hard Rock fissure...(Empire) mine 11. Cape mine 12. Copper Falls mine 13. Clark mine 14. Point prospect 15. Mendota mine 16. Gull |
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| 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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| Mountain anticline ________________________________ _ Mendota syncline _________________________________________...Coal from the Big Dirty bed. 12. Coal from the Mendota, Smith, and Black Bear beds. 13. Coal from the...miles in southwestern Thurston County and northwestern r_.ewis County, Wash., midway between Seattle...northwestern part of Lewis County and the southern part of Thurston County in southwestern Washington...of Centralia-Chehalis district, Map C-8; 2, King County preliminary map, 1945 ; 3, Wilkeson-Carbonado, |
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| ............................................. Mendota, Monona, Wingra, Waubesa, and Kegonsa lakes................................. Granite in Seneca Township....................................................................:... Rhyolite in Marcellon Township.................................................Merrimac Township......................^................................ 61 Granite in Sumpter Township................................................ 71 Mendota limestones and Madison sandstone.............. |
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| Prairie Creek j ust 10uth of Murfree• boro, Pike County, Arkansas. The near-oval shaped area is an enclosed...diatreme (volcanic pipe) near Murfreesboro, Pike County, Arkansas (The Crater of Diamonds State Park)....and the matrix is often highly carbonated with calcite. Both the hydration and carbonation are believed...origin and derivation of mineral names. SO ROCKS AND MINE~ Natural Diamonds and Their Imperfections When...Figure 5. A green crystal of chJorite with smaU calcite crystals protruding from surfaces near the fractured |
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| Revista de la Union Geofisica Mexicana, auspiciada par el Instituto de Geofisica de la Universidad Nacional...Organa del Instituto de Geologia y Metalurgia de la Universidad Aut6noma Potosina. San Luis Potosf, S...dell'Universita di Roma (e del Centro di Studio per la Geologia dell'Italia Centrale) del Consiglio N azionale...Assoc. Geol. Socs. Trans. Transactions. New Orleans, La. Harvard Univ. Bot. Mus. Leaflets Cambridge, Mass...Ky. Kentucky Geol. Survey County Rept. - Kentucky Geological Survey County Report. University of Kentucky |
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| ............................................. Calcite..................................................age in the Minnesota River valley...... Big Stone County .....................................'...........quarry.................................. Chippewa County................................................................................ Yellow Medicine County.......................................... Granite........................................ Renville County............................................... |
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| XL (1865), pp. 388-89. H. M. Bannister, "Cook County," Illinois Geol. Survey, Vol. III (1868), pp. 239-56;...Geol. and Nat. Hist. Survey Bull. Ig, 1907. U. S. Grant, "Lead and Zinc Deposits of Southwestern Wisconsin...Plates 2 and 3. G. H. Cady, "The Structure of the La Salle Anticline," Illinois State Geol. Survey Bull..." ibid., pp. 305-24. G. H. Cady, "Geology of the La Salle and Hennepin Quadrangles," Illinois State Geol...Geology and Mineral Resources of the Hennepin and La Salle Quadrangles," Illinois State Geol. Survey Bull |
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| Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...fluorite 15 pf galena 20 pf smoky quartz 25 pf calcite 50 pf silver February 22, 1972 5 pf gypsum 10 pf...f fossilized zelkova leaves 60 f greenockite, calcite, sphalerite crystals 1.00 fo Clupea hungarica (fish |
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| Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...fluorite 15 pf galena 20 pf smoky quartz 25 pf calcite 50 pf silver February 22, 1972 5 pf gypsum 10 pf...f fossilized zelkova leaves 60 f greenockite, calcite, sphalerite crystals 1.00 fo Clupea hungarica (fish |
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| ............................................. Mendota.................................... ............................................. ............ De la Beche..............................................Potsdam sandstone of the Adirondacks, the Dutchess County limestone of New York, the upper Knox shales of...has its type locality at Potsdam in St. Lawrence County, where it can be readily identified. To say it...1873, 1878, 1883, 1888. D'lnvilliers (E.), 1883. De la Beche (Henry), 1832. Desor(E.), 1851. Devine(T.) |
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| Warren Upham, Charles Schuchert, E. O. Ulrich, U. S. Grant. .James E. Todd, M. W. Harrington, Horace V. Winchell...Platteville Limestone West of Spring Gro,'e, Houston County ..... ,..........................................:Map of Blue Earth County ............................... 1014 ~39. Map of Brown County ...................................... 1019 40. Map of Chisago County .................................. 13] 41. Map...Map of Dakota County ................................... 136 4~3. Map of Dodge County ............. |
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| 8—Roseburg, Oregon. "Gems and Minerals of Douglas County" Show spon sored by the South Douglas Gem & Mineral...Club and the Umpqua Gem & Mineral Club. Douglas County Fairgrounds. Chairman: Catherine Smith, 149 S ...11-13—Detroit, Michigan. Annual Greater Detroit Gem and Mineral Show spon sored by the Michigan Mineralogical...Chairman: Mildred Hurt, 1211 E . Maxlow, Hazel Park, Michigan 48030. October 12, 13—Great Falls, Montana. Big... East Dundee, Illinois 60118. October 12, 13—Mendota, Illinois. 18th Annual Gem & Mineral Show Sponsored |
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| was still a territory awaiting statehood, Wysses Grant was serving his second term as president, and Benjamin...This article deals with that portion of San Miguel County extending from north of Telluride beginning at...origins in the establishment of county lines when San Miguel County was created in 1883. Geologically...mining district of Ouray County and the Silverton caldera of San Juan County. It should be noted that...that before the creation of San Miguel County, the Telluride district was called the Upper San Miguel district |
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| acanthite paramorph after argentite from the Rayes mine, Guanajuato, Mexico. Francis Benjamin specimen,...1878); the Baker quarry near Billmeyer, Lancaster County, Pennsylvania, where it occurs as an alteration...Hill occurrence in Davidson County, and the McMakin mine in Cabarrus County (Genth 1891); and mines of...of the Virgilina district, Halifax County, Virginia (Dietrich 1990). The great silver occurrences of the...Black Jack mines of the Ward district, Boulder County, were coated with acicular crystals of primary |
Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA