 | | Journal (issue) | | the Montague Claims, Teller Mountain, Montezuma District, Summit Co., Colorado Benjamin S. Murphy (ben@murphygeo...localities for pyromorphite in the Montezuma District, Summit County (Eckel et al., 1997): 1. “Pyromorphite...ite, galena, pyrite, sphalerite, chalcopyrite, quartz, and carbonate[s].” (These are all personal-communication...on the eastern side of Summit County, in the Montezuma Mining District (Figure 1). Access is via a series...the district was referred to as the “Snake River Mining District”; the name “Montezuma District” appears |  | | Report (issue) | | Powered Washers 10 Portable Dredges 10 Placer Mining Methods Used in Colorado 11 Ground Sluicing 11...12 at 5 | | & rf Beacon Hill Mine 4a , Cripple Creek District Shoveling-In and Related Mechanical...Methods 12 Portable Washing Plants 12 Hydraulic Mining 13 Elevator Plants 14 Dredging 14 Bucket Line Dredges...Drift Mining 15 History 18 Environmental Problems of Placer Mining 25 Future of Placer Mining in Colorado...Colorado 30 Placer Gold 30 Size 30 ~ Idaho Springs District Shape 31 How and Where in Colorado iii Information |  | | Report (volume) | | THEIR GEOLOGIC ENVIRONMENT IN NORTHWESTERN PARK COUNTY, COLORADO BY QUENTIN D. SINGEWALD Prepared in...STATE OF COLORADO, THE COLORADO METAL MINING FUND THE COLORADO MINING ASSOCIATION AND THE COLORADO GEOLOGICAL...Morrison formation and Dakota sandstone (Upper Jurassic and Upper Cretaceous) ____________________________________...and the Montana group (Upper Cretaceous) ______ Laramie (?) formation (Upper Cretaceous ?)__________________...of glaciation___ _ __ _ .. _ _ _______________ Wisconsin stage._ ___ _ _ _ - _____ ______ 117 117 117 |  | | Book | | Mines, DESCRIPTION OF THE MINES AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...Colorado for 1878 was $9,829,817, as follows: Lake County, $2,650,000; Clear Creek, $2,250,000; Gilpin, $2...000. Such being the extent and importance of the mining industry of Colorado, it was evident that some...herein may seem a rep etition, but in order that each mine may stand on its own merits, and to facilitate the |  | | Report (issue) | | The Geology of the Upper Mississippi Valley Zinc-Lead District By ALLEN V. HEYL, Jr., ALLEN F. AGNEW...PROFESSIONAL PAPER 309 Prepared in cooperation with the Wisconsin Geological and Natural Histoyy Survey, the Iowa...Cultural development and facilities related to mining Field work and acknowledgments Scope of the report...geologic work in the district Geology Stratigraphy Precambrian rocks Cambrian system Upper Cambrian series...Platteville formation Decorah formation Galena dolomite Upper Ordovician series Maquoketa shale Silurian system |  | | Report (volume) | | Geology of the Potosi Quadrangle, Grant County Wisconsin, and Dubuque County, Iowa En I O O 52; PH ^ O...SURVEY BULLETIN Prepared in cooperation with the Wisconsin Geological and Natural History Survey 1123-1... tGeology of the Potosi Quadrangle, Grant County Wisconsin, and Dubuque County, Iowa By JESSE W. WHITLOW and...WEST GEOLOGY OF PARTS OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT GEOLOGICAL SURVEY BULLETIN...BULLETIN 1123-1 Prepared in cooperation with the Wisconsin Geological and Natural History Survey UNITED STATES |  | | Journal (article/letter/editorial) | | Sciences University of Wisconsin-River Falls 410 South Third Street River Falls, Wisconsin 54022 his is Wisconsin’s... breweries, bratwurst, and Packers football, Wisconsin also has a diverse geology and a history rich...settlement was initially spurred by the lead-zinc mining in its southwest comer, a heritage preserved by...forgotten, abandoned, and overgrown. In this respect, Wisconsin represents a frontier state for the mineral collector...several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials |  | | Book (edition) | | gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |  | | Journal (issue) | | Thomas M. McKee Building, at The Ranch/Larimer County Fairgrounds, 5280 Arena Circle, Loveland, CO (I-25...of gold. The deposits occur primarily as quartz and quartz-carbonate veins along major fault zones that...Historic avalanches in Hinsdale County, Colorado: Impacts to Lake City, old mining dams, and new evidence for... Future Promise, by Dr. Phil Brown, Univ. of Wisconsin. Berthoud Hall Room 241, CSM campus, Golden. All...-Sun., July 23-26, Fairplay Contin-Tail Gem, Mineral, and Jewelry Show, Fairplay River Park. ****** |  | Stark, J. T., Johnson, J. H., Behre, C. H. Jr., Powers, W. E., Howland, A. L., Gould, Don B. (1949, January) Geology and Origin of South Park, Colorado. GSA Memoir 33. Geological Society of America doi:10.1130/mem33 | Report (issue) | | .... .... ............ . ... . . . .. .... . Wisconsin terrace gravels and till . . . . . .. .. ........ ..... . Description of individual areas of Wisconsin moraine . . . . . . . . . . . . . . . . ........Comparison wi th physiographic features in Arkansas Valley ..... ........... ..... .. . . POST·PRE- CAMBRJAN...differentiates . .. ...... , ............... . 81 Chalmers quartz monzonite . ... . . . ..... . . .......... . ....and outwash of varying prominence, the latest (Wisconsin?) being the most distinct. INTRODUCTION PRELIMINARY |  | | Report (volume) | | mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report, by Quentin D....Geology and ore deposits of the Shafter mining district, Presidio County, Tex., by Clyde P. Ross _______ ______...on concentration tests on manganese from Perry County, by H. S. Rankin______ 1 45 127 223 ILLUSTRATIONS...PLATE 1. Geologic map of Beaver-Tarryall area, Park County, Colo__ In pocket 2. Geologic sections of Beaver-Tarryall...Beaver-Tarryall area_______________ In pocket 5. Index map of mining properties in Beaver-Tarryall area___ 36 6. Reconnaissance |  | | Report (issue) | | Pennsylvania Tennessee Vermont Virginia West Virginia Wisconsin 18 20 22 26 40 41 42 43 47 53 61 71 72 77 77...Paleozoic rocks in the United States east of the Mississippi River and west of the Blue Ridge Province, other...occurrences, but as absence of information. Major mining districts and areas of numerous prospects, occurrences...outlined and a single symbol used to represent the district or area. Many of the barite deposits shown on...belong to the group commonly called the "Mississippi Valley" type. Common characteristics of such deposits |  | | Book | | Pearce, Black Hawk, Colo. Fairplay, Colo. R. J. Raymond, United States Mining and Mineral Commissioner:...the pitchblende. not been for several^years the mine is not worked at present and has distribution in...Bergen's ; Ranch, Jefferson County; on Boulder Peak. Agate,— See Quartz. — At Quartzville. — See Gypsum...Alabaster. Albitk.— Quartz Hill, Central Almandite. See Garnet. Boulder County. City Gold — Allophanite...Allophanite. —Franklin Mine, in Gilson Gulch Fowler Branch, Sugar- Loaf Altaite. — Red Cloud and Cold Spring |  | | Journal (issue) | | shrouded in the clouds. Author’s photo. The Champion Mining Company & No. 4 Shaft Robert L. Fox Jr. foxbooks@att...Michigan you will find the site of the Champion Mining Company. The Company was formed in 1899 as a partnership...of the Champion Mine. The mine was managed by Copper Range Company. The Champion Mine had six shafts at...still in operation in 1930. During the 1930s the mine was working the 48th level, 4,800 feet from the...Champion Mine was one of the largest and richest copper mines in the Lake Superior region. The mine produced |  | | Journal (issue) | | years ago. This is due to the yearly crushing of mine dumps for logging road construction, road repairs...industrial projects. Posting of privately owned mine sites also had increased due to liability concerns...field trip is held to the Wolverine #2 mine, Kearsarge, Houghton County, Michigan. The collecting guides for...13 July 2022. Kyanite from Balsam Gap, Buncombe County, North Carolina Tony Nikischer tony@excaliburmineral...of Tristan Jordan Feldspar Mining Topsham pegmatite field, Sagadahoc County, Maine Mark Ivan Jacobson |  | | Journal (issue) | | AN INFLUENTIAL IRON ORE MINERAL + ARTISANAL MINING A Complex Industry ROCK & GEM • Vol. 49 No. 05...Magma Dot Wine Country Bill Rozday 26 ARTISANAL MINING It’s Dangerous, Illegal, Undocumented—and Booming...HEMATITE AND GOETHITE Exploring New Mexico’s U.S. 60 Mine Mark Leatherman 42 PROUSTITE 36 58 THE MINERALS...available to all users, while a premium membership will grant full access to everything MyRockHub has to offer...that for a collector to choose one species like quartz, calcite, or time had come from meteorites as evidenced |  | | Journal (issue) | | currently as the curator of the Western Museum of Mining & Industry in Colorado Springs. He is currently...Submitted by Pete Modreski Mon., Feb. 10, 11:30, Denver Mining Club weekly meeting, Martin Palkovic, Colorado...1:00. Tues., Feb. 11, 7:00 p.m., Western Museum of Mining & Industry, Colorado Springs, February Lecture...Guild, Jewelry, Gem, and Mineral Show, Jefferson County Fair Grounds, 15200 W. 6th Ave., Golden, CO. Free...Colorado Chapter, featuring Scott Werschky, Reno, NV, mining geologist, mineral dealer (Miner’s Lunchbox, specializing |  | | Journal (issue) | | Future Promise, by Dr. Phil Brown, Univ. of Wisconsin. Berthoud Hall Room 241, CSM cam-pus, Golden....-Sun., July 23-26: Fairplay Contin-Tail Gem, Mineral, and Jewelry Show, Fairplay River Park. Still on...a flat of wulfenite collected from the La Morita Mine, Ascención Municipality, Chihuahua, Mexico. I am...polymetallic (mostly lead, zinc, and silver) La Morita Mine started producing these lustrous wulfenite-mimetite...crystals of mimetite perched on the wulfenite in the upper left quadrant. Width FOV ~2.1 cm. Photo: M. Nelson |  | | Book | | ingcoOO00ross MOUNTAIN M COLORADO'S HISTORIC MINING DISTRICTS ¢ LAURA ROSSETTER ys FULCRUM PUBLISHING...Rossetter, Laura. Mountain biking Colorado’s historic mining districts /Laura Rossetter. p. cm. Includes bibliographical...and gave critical information on safety around mining sites. Tony Neaves, bike mechanic extraordinaire...kept my bike running and in one piece. Several mining companies gave candid input on land access issues...collections. Many chambers of commerce, city halls, county governments, and tourism offices went out of their |  | | Report (issue) | | Middle Ordovician Rocks in the Zinc-Lead District of Wisconsin, Illinois, and Iowa SURVEY PROFESSIONAL...PROFESSIONAL Prepared in cooperation with the Wisconsin Geological and Natural History Survey PAPER 274-K Stratigraphy...Middle Ordovician Rocks in the Zinc-Lead District of Wisconsin, Illinois, and Iowa By ALLEN F. AGNEW, ALLEN...PAPER 274-K Prepared in cooperation with the Wisconsin Geological and Natural History Survey UNITED..._______________________ Stratigraphy of the mining district.___________________ Pre-Platteville rocks_ |  | | Report (volume) | | the gold deposits of the Cripple Creek district, Teller County, Colo., by A. H. Koschmann_____________________...deposits of the Deer Creek-Wells Canyon area, Caribou County, Idaho, by Charles DeisS-_____________________________...their geologic environment in northwestern Park County, Colo., by Quentin D. Singewald______________________...Quicksilver deposits of the Bonanza-Nonpareil district, Douglas County, Oreg., by R.E. Brown and A. C. Waters...Detailed logs and drill-hole correlations, Hunterdon County, N. J....-__........--._........--...-........_-_---- |  | | Journal (issue) | | are chalcedony, a cryptocrystalline variety of quartz. Photo by Richard Gross. Design by Shawn Stigsell...gml@gmail.com | shop.gilmansatthecave.com ROUGH GEMS MINE-DIRECT FACETING ROUGHS & MINERAL Sapphire, Emerald...Moss Drive, P.O. Box 740252 Houston Texas, TX 77074 USA Tel : +1 832 641 5014 ; +234 803 715 8372 Fax : +1...Workshop or Summer Camp at our facilities. Poland Mining Camps has obtained exclusive access for our customers...News BY J I M B R AC E -TH O M P S O N ILLEGAL MINING CONTINUES Unabated in the Amazon While concerns |  | | Report (issue) | | Y A N D O R E DEPOSITS OF THE ALMA DISTRICT PARK COUNTY, COLORADO BY HORACE B. PATTON ARTHUR J...Lincoln as seen from the Hoosier Pass road. The valley on the mountain is Lincoln Amphitheater, with a...Extent of the District 15 Description of the Maps 17 Degree of Accuracy 19 Description of Mining Claim M a...Diorite Quartz-Biotite Diorite Quartz-Hornblende Diorite Monzonite Diorite White Porphyry ,.. Quartz Monzonite...Porphyrite Type II. Biotite Diorite Porphyrite Type III. Quartz Diorite Porphyrite Type IV. Hornblende-Biotite |  | | Report (issue) | | Brachiopod Antiquatonia coloradoensis (Girty) from the Upper Morrowan and Atokan (Lower Middle Pennsylvanian)...Brachiopod Antiquatonia coloradoensis (Girty) from the Upper Morrowan and Atokan (Lower Middle Pennsylvanian)...brachiopod Antiquatonia coloradoensis (Girty) from the upper Morrowan and Atokan (lower Middle Pennsylvanian)...coloradoensis (Girty) from lower part of Belden Shale, Park County, Colo. 2. Primary type specimens of Antiquatonia...Shale, Park County, Colo., and hypotype of A. coloradoensis from Burgner Formation, Jasper County, Mo. 3. |  | | Journal (issue) | | known for its colored tourmalines, beryls, smoky quartz, amazonite, and minerals containing phosphorus...opportunity to revisit the Helen Beryl Mine in Custer County, South Dakota, in the Black Hills. I had...highlight of the semester! In revisiting the Helen Beryl Mine, I only had an opportunity to sort through part...pur- Fig. 1. Purpurite (P) from the Helen Beryl Mine. A? may mens are probably man- be alluaudite. Specimen...identified in pegmatites of the Etta Mine near Keystone. The Helen Beryl Mine, mass of pegmatite about (Lufkin |
|
