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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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| 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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| 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 |
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| February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered from Lake...fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS mens of ...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...starting with Keweenaw Point and continuing in a southwestern direction to the White Pine mine at the southern |
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| 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................................... Stefano & P. Persson The Central Mine, Keweenaw County, Michigan................................... |
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| News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3—Recent...shoreline shift with Lake Superior storms, exposing calcite/quartz veins in the Copper Harbor Conglomerate...years have passed since the last “News from the Keweenaw”; this article updates new finds to the spring...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...terminated scalenohedral calcite crystals on crystallized quartz. The longest calcite crystal is 7.9 cm and |
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| 81427 THE CLIFF MINE, discovered in 1844, is located on the Keweenaw Peninsula of Upper Michigan in the...turned the Cliff into a successful mining operation and made it the first mine on the "Keweenaw" to pay...dividends to stockholders. Throughout its history, the mine also produced spectacular specimens of crystallized...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 |
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| 36849 cookrob@auburn.edu KINOITE Christmas Mine, Gila County, Arizona F ew states can approach, much...mineral in vugs and veinlets in skarn, and in Michigan it occurs as a rare constituent of amygdule fillings...southeast, Pima County, Arizona. The locality is about 30 miles (48 kilometers) south-southeast of Tucson...crystals on fluorapophyllite from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen,...tiny kinoite crystals from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen, |
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| recovered from a large vug in the fissure vein of the Cliff mine; the largest crystal is 2 cm across. The specimen...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...John A. Jaszczak photo. Figure 18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix...lava on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...some of the veins (Butler and Burbank 1929). Cliff Mine After the failed 1844 mining venture at the Hays |
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| ...............................................South East.... . 9 .......................................................................... Copper County Mineral Retreat Christine Chritchley 41 .........each day Possible sites include: Great Orme Copper Mine (entrance fee) Alderley Edge Mines (insurance fee)...CHARLTON, Ms S CAMPBELL, Ms T CAMPBELL Ms L BRIDGETT South West: Miss M PALMER, Mr AP PALMER, Mr L PALMER...Newsletter Issue 49 - September 2006 Branch reports South East Branch Attendance at our monthly lecture meetings |
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| vein-stones. The ignorance and prejudice of the native mine-owner prohibits use of the wheel-barrow, the windlass...wrought to advantage, now remains unbroken in the mine, and undressed at the surface. All necessaries of...Province,situate between Congonhas do Campo on the south, Candonga on the north, tributaries of the River...Quente, Piracatú Pissaraō, Fazendaō, Duraō, and south of the Periçicaba (g, h, i,j, k, l, m. ) , the Corrego...and copper, in deep than in shallow parts of the mine, and contains platina near the surface only. Short |
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| Minnesota area of Rove slate is a narrow strip south of the international boundary from Pigeon Point...Point to a few miles west of Gunflint Lake in Cook County. (See Figure 1.) Since the base of the formation...trends northeast into Ontario and the beds dip south, it is believed that eastern outcrops in :Minnesota...the building of transcontinental railways both south and north of Lake Superior the Portage has rapidly...• G. M. Schwartz, "A Sulphide Diabase from Cook County, Minnesota," Economic Geology, 20:261-~65 (l9~5) |
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| suggested that, mixed with the better-class coal of New South Wales, it is likely to be valuable for the production...to the Society. The copper-mining district of Michigan is situated in the upper peninsula, or north-western...proper. The sandstones on the eastern side have a south-easterly dip, while the traps, which axe well stratified...conglomerates on the north shore forming a steeply-scarped cliff, surmounted by gently sloping inclines on the upper...places--as, for instance, at the Nanmkey mine, on the south side of Portage lake, where a shaft was abandoned |
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| ----------------------------51 THE TERRANES OF ORANGE COUNTY, VERMONT, C. H. Richardson -----------6i Topog...American Geologist...................... Plate I. Ely Mine, Copperfield, from The Vermonter..................Ely Mine, from The Vermonter. .................... Plate III. Belvidere Mountain from the south ----.............. Plate IX. Geological Map of Orange County, C. H. Richardson................ Plate IXA. Smaller...Limestone, G. W. Perry, Photo ........ Plate XXVII. Cliff of Utica Shale, G. W. Perry, Photo............. |
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| e y ART OF LIVING Desert Refuge, b y MARSHAL SOUTH LETTERS C o m m e n t from Desert r e a d e r...range the boys often caught glimpses of these old cliff dwellings. When there was spare time they explored...brother who first saw the massive ruin now known as Cliff Palace. In order to clear up some confusion in the...alone the day I first got a _ y glimpse of the Cliff Palace. But I was too tired to do anything about...camped near where Johnson canyon connects with Cliff canyon. Early in the morning, Richard and Dr. Comfort |
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| geology and mining industry of Leadville, Lake County, Colorado, by S. F. Emmons, pp. 201-290, pis. xliv-xlv...C. Chamberlin, pp. 147-248, pi. viii. Obsidian Cliff, Yellowstone National Park, by Joseph P. Iddings...pis. Vi-xix. The Penokee iron-bearing series of Michigan and Wisconsin, by Koland Duer Irving and Charles...report on the Marquette iron-bearing district of Michigan, by Charles Richard Van Hise and William Shirley...Lindgren, pp. 1-262, pis. i-xxiv. Geology of Silver Cliff and the Rosita Hills, Colorado, by Whitman Cross |
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| 5–16 mineral deposition in a cavity in Smallcleugh mine, Nenthead, Cumbria Trevor F. Bridges and Roy Starkey...development of a mineralised cavity at the Smallcleugh Mine in the North Pennine Orefield, where Trevor focused...focused much of his research effort. we then move south, to derbyshire, where roy Starkey and John Faithful...we were walking down from Copa Hill at Cwmystwyth mine in mid-wales. we had both been participants on one...had recently invited to be a guest speaker at the South Staffordshire mineral and Gemstone Society in wolverhampton |
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| district, is in the southwestern part of Clark County, Nev., near the California line. It covers the...sides of the ridge over an area 24 miles north and 'south by 16 miles east and west. This region is in the...though the Potosi mine hauls its ore to Arden and some of the ore from the mines at.the south end of the district...was built about the cyanide mill of the Keystone mine. At the Potosi live about 30 miners and nearly as...of travel are: The road from Arden to the Potosi mine, the main road from Jean to Good Springs and Sandy |
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| Mendips, selenite from the Mountfield mine, Sussex; a calcite from South Wales which unusually fluoresces...level 5 in ·the Tsumeb mine, Namibia and three beautiful fluorites from Illinois USA; Hunan, China and the...the Okorusu mine in Namibia. The conditions were just right for an auction and bids came from all around...SMLS Journal 211 Jan/Feb 2008 Sgar Complex, calcite, prehnite, albite, epidote, apophyllite and chabazite...polarity magnetic field (i.e. the north pole was the south pole!), probably about 55 million years ago. Peter |
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| Umpleby.... The Yellow Pine mining district, Clark County, Nev., by J. M. Hill...... Survey publications...sulphate in the Carrizo Plain, San Luis Obispo County, Cal., by U.S. Gale............................................. 428 Borate deposits in Ventura County, Cal., by H. S. Gale.................. 434 Potash...SULPHUR AND PYKITE : < Sulphur deposits in Park County, Wyo., by D. F. Hewett............... 477 Survey...Sketch map of the Yellow Pine mining district, Clark County, Nev.. V. Map showing relation of outcrops of red |
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| or resident who wishes to know more about the county, in the hope that it will stimulate further interest...chosen for their geological interest around the county. A further reading section suggests titles for...slates and sandstones which make up most of the county. Climate conditions changed too, for the land that...“here are some minor igneous intrusions around the county, but inland Cornwall is dominated y a spine of...Watergate Bay on the north coast and Talland Bay on the south. These are overlain by the Meadfoot Beds, which |
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| variety of mineral assemblages: albite, epidote, calcite, magnetite-ilmenite, actinolite, chlorite, and...typical skarn assemblage, in which garnet, epidote, calcite, diopside, hornblende, and magnetite are particularly...Jowl Zawn 6 Car~ Vellan 7 Corn Du 8 Trewellard South Cliff : !~:~ FIG. I. Simplified geological map of...occur at Carn Du, Trewellard North Cliff, Trewellard South Cliff, Botallack Head, Grylls Bunny, and Chycornish...during a recent exploration programme in Levant Mine, which revealed the extensive development of calcsilicate |
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| several brick-pits that lie at the foot of the " cliff" or in the steep slope beneath the escarpment of...Sand and Lincolnshire Oolite which go to form the cliff; the exposures however show us nothing below the...small septaria. Just outside the city on the north cliff we find in the brick-pit belonging to Swan Brothers...unequal decomposition of the mass. The veins of calcite which traverse the septarium in all directions...decomposition is more pronounced, the veins of calcite stand well out from the nodule, and present much |
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| Cornwall. Front Cover: Old engine house, Botallack Mine (photograph David Alderton). Geologists Association...Map of the St. Agnes district 26 14. North-south cliff section through the Cligga stock 26 15. Map...the structurally very complex section along the south coast between Porthleven and the Lizard. In accounts...1860's, and continued until August 1997 at the South Crofty mine, near Camborne in the west of Cornwall. The...given in the British Regional Geology handbook for South-west England (Edmonds, 1985) and in Geology of Cormvall |
