 | | Report (volume) | | DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces |  | | Report (issue) | | Assessment of the Dillon 1 ox 2° Quadrangle, Idaho and Montana AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL...of the Dillon 1 o x 2° Quadrangle, Idaho and Montana By ROBERT C. PEARSON, CHARLES M. TRAUTWEIN, EDWARD...assessment of the Dillon 1Montana I by Robert C. Pearson ... [et al.]. p. em.- (U...Assessment of the Dillon 1o x 2° Quadrangle, Idaho and Montana By Robert C. Pearson, Charles M. Trautwein, Edward...ABSTRACT The Dillon 1"x2° quadrangle in southwestern Montana and east-central Idaho was investigated as part |  | Spry, P. G., Foster, F., Truckle, J. S., Chadwick, T. H. (1997) The mineralogy of the Golden Sunlight gold-silver telluride deposit, Whitehall, Montana, U.S.A. Mineralogy and Petrology, 59 (3) 143-164 doi:10.1007/bf01161857 | Journal (article/letter/editorial) | | Golden Sunlight gold-silver telluride deposit, Whitehall, Montana, U.S.A. P. G. S p r y 1, E Foster 2, J. S...Golden Sunlight Mines, Inc., Whitehall, Montana, U.S.A. 3 Belgrade, Montana, U.S.A. With 10 Figures Received...Sunlight Gold-Silber-Tellurid-Lagerstiitte, Whitehall, Montana Die Golden Sunlight Gold-Silber-Tellurid-Lagerst~itte...Falls Tectonic Zone, a major tectonic structure in Montana, which has been active since the Proterozoic (Foster...described the structural setting of the gold-bearing quartz-pyrite veins, and by Porter and Ripley (1985), |  | | Journal (article/letter/editorial) | | METAMORPHISM SOUTHWESTERN RUSSELL IN SOME MONTANA LOWELL CONTENTS PAGE Abstract ................................................... Maiden Rock Mine area .............................................stock. In addition,mining operationsat the Maiden Rock Mine, near Melrose, Montana, have exposed a dike...batholith--onein BeaverheadCounty, two in Silver Bow County,and one in MadisonCounty. This study has a two-fold...detailedmappingof a smallarea near the Maiden Rock Mine. StevenP. Theodosismappedthe Melroseareain detailin |  | | Journal (article/letter/editorial) | | Gold nugget, 7.67 troy ounces, Fairbanks mining region, Alaska, USA. Donated in 1977 by Arthur Sexaur. University...approximately 89 troy ounces, Ganes Creek, Iditarod district, Yukon-Koyukuk Borough, Alaska. This nugget shows...1985 nugget Alaska, Ganes Creek 2004 mass with quartz Alaska, Ganes Creek 1985 Alaska, Ganes Creek...ounces NAC Alaska, Ganes Creek 1905 mass with quartz 51.6 ounces Tisler specimen www.akmining.biz;...biz; 12/2016 Alaska, Ganes Creek 1905 mass with quartz 55 ounces Wiltz specimen www.akmining.biz; 12/2016 |  | | Report (issue) | | FOR STREAMS IN THE UPPER MISSOURI RIVER BASIN, MONTANA AND WYOMING By J.R. Knapton and A.A. Horpestad...cooperation with the MONTANA DEPARTMENT OF HEALTH AND ENVIRONMENTAL SCIENCES Helena, Montana March 1987 DEPARTMENT...Copies of this report can be purchased from: District Chief U.S. Geological Survey 428 Federal Building...FOR STREAMS IN THE UPPER MISSOURI RIVER BASIN, MONTANA AND WYOMING By J.R. Knapton and A.A, Horpestad...Ferry Lake. However, little Water Quality Bureau, Montana Department of Health and Environmental Sciences |  | | Journal (article/letter/editorial) | | Golden Sunlight gold-silver telluride deposit, Montana, U.S.A. P. G. SPRY AND S. E. THIEBEN Department...I, Iowa State University, Ames, Iowa 500113212, USA ABSTR ACT The gold balance in an ore deposit where...studies of ore from the Golden Sunlight deposit, Montana, suggest that periods of relatively poor gold recoveries...unrecoverable gold processed during the life of the mine. Minor amounts (6ÿ7%) of `invisible gold', as indicated...tellurides, buckhornite, Golden Sunlight deposit, Montana. Introduction THE epithermal Golden Sunlight gold-silver |  | | Journal (article/letter/editorial) | | Gold-BearingBrecciaPipe at the Golden SunlightDeposit, Montana E. W. PORTER* AND EDWARD RIPLEY Departmentof Geology...gold-silverdepositin the Whitehallminingdistrict,Jefferson County, Montana,iscenteredona silica-cemented brecciapipewith...gold-silvertelluridesandtennantite;and(IV) barite,quartz,andsericitewith minorcarbonates and pyrite. Is...prompteda detailedfeasibilitystudyfor an open-pit mining operation.On August4, 1981, Placer U.S. announcedits...developingthe property asGoldenSunlightMines,Inc. The mine wasin operationby December1982, andthe firstrefinedgold |  | | Journal (article/letter/editorial) | | Emplacementin the Boulder Batholith and Adjacent Rocks,Montana LEE A. WOODWARD Departmentof Geology,Universityof...THE Boulderbatholithandadjacentrocksin western Montana(Fig. 1) are hoststo numerousmetallicmineral depositsfoundin...gold and 746,000,000 ouncesof silver. The Butte district hasdominatedproductionwith more than 18 billion...t •batho/ith • ©GreatFalls •I---'•NNe lena MONTANA tea ol F•9 2 k••L•'•• a FIG. 1. Index map showinglocationof...showinglocationof Boulderbatholithand thrust and fold belt, Montana. workershavediscussed the originof fracturesin |  | | Journal (article/letter/editorial) | | late discovery of the phenomenal Cripple Creek district, essentially subsequent to the development of...Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths of...1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs rarely...Vindicator mine, Haralson County, and the Consolidated and Singleton mines of the Dahlonega district, Lumpkin...Lumpkin County, Georgia. Although similarly almost unknown in the north-central states, it occurs as 5-mm |  | | Journal (article/letter/editorial) | | Figure 1. Interior view of the Mineral Museum at Montana Tech. Pete Knudsen photo. Maine Mineral & Gem...Bethel, Maine 04217 cfrancis62@gmail.com MONTANA CRYSTAL MONTANA COLLECTORS’ N RENDEZVOUS 2019 o dues...Mineral enthusiasts from all over Montana meet annually as the Montana Crystal Collectors (MCC) on an early...Rendezvous. Knudsen is a retired professor and dean at Montana Technological University in Butte, so the event...from Boston to Butte and back to be immersed in Montana minerals for a day and a half. The only thing I |  | | Journal (issue) | | to gold in the State was in 1782, when Thomas Jefferson reported on a gold-bearing rock, weighing four...mines near the falls of the James River in Amherst County, as well as several placer mines in other parts...production during the early boom years of gold mining in Virginia (Park, 1936, p. 8). I t allows for...GOLD-PYRITE BELT Whitehall mine.-Gold in place was first discovered in 1806 a t the Whitehall mine, 1.5 miles...Shady Grove Church in western Spotsylvania County. The mine was worked between the years 1848 and 1884; |  | | Report (issue) | | Introduction _________.-______-.___-_-______. Beryl mining, production, and uses__________ Internal structure...Keene district.__________________________ Beryl Mountain mine.-__-________--_ Chickering mine.____________________...Page Description of pegmatites Continued Raymond district--_________________ General geology.__________-_-_...districts________-_______--_-. Millard Chandler mine.____--__. Parker Mountain mine._________ Reconnaissance of other...No. 1 mine, Groton, Grafton County, N.H. Geologic map and sections of the Beryl Mountain mine, Acworth |  | | Report (volume) | | Sunlight Gold-Silver Breccia Pipe, Southwestern Montana U.S. GEOLOGICAL SURVEY BULLETIN 2155 AVAILABILITY...Sunlight Gold-Silver Breccia Pipe, Southwestern Montana By Ed DeWitt, Eugene E. Foord, Robert E. Zartman...Sunlight gold-silver breccia pipe, southwestern Montana I by Ed DeWitt ... [et al.]. p. cm.-(U.S. Geological...Igneous-Montana. 3. Hydrothermal alteration-Montana. 4. Gold ores-Montana. 5. Breccia pipes-Montana. I. DeWitt...Generalized geologic map of the Golden Sunlight mine area........................................... |  | | Report (issue) | | EOCK IN THE THEEE FOBKS-YELLOWSTONE PARK EEGION MONTANA BY D. DALE CONDIT, E. H. FINCH AND J. T. PARDEE...Mountain_______________________ _ ___ Canyon of Jefferson River near Cardwell . South Boulder Creek__*._____ _ Localities...Sawtelle Mountain______________________ 206 Near Montana principal meridian-. ._ _ _________. 207 Odell...sections of the Three Forks-Yellowstone Park region, Montana, showing phosphate outcrops__________. In pocket...examination, in 1916, of a large area in southern Montana. Before their report was prepared for publication |  | | Journal (article/letter/editorial) | | on the Post territory which covers most of Yuma County, Arizona, and a small area in California."—letter...of Diamonds is an abandoned diamond mine (the only diamond mine in the U. S.) that has been opened up...Liggett military reserjade deposits in (Monterey County) Cali- vation are some of the very few found on...Middlesex signed to conserve the stone for removal County, Conn., was sent in by Richard by legitimate collectors...value of the remaining jade. The firms have been of quartz, diopside and actinolite, associblasting the deposits |  | | Journal (article/letter/editorial) | | Darry, N. H. 0 3 0 4 1 (PART 16 SPOTSYLVANIA COUNTY Bordered on the N by the Rappahan nock and Rapidan...number of gold operations r u n n i n g across the county from N to S. These are mainly placers and rather...Jackson's Trail, iy mi. S o f Brockroad. Old gold mine on Greene Farm near Brockroad. Marsden Gold M. A...gets up to 124 Dwt. Placer only. United States Gold Mine. Between Rte 620 and Rappahannock R. Nr. power line...Originally operated as Chancellorsville-Freehold Mining Co. of London Eng. who had shafts, adits and waterwheei |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...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; |  | | Report (volume) | | ... Grafton district...................................... Alstead area, Keene district................377 377 378 379 379 380 382 382 383 383 Cost of mining....................................... 385 Possible...Plate 61. Geologic map of the Alstead area, Keene district , New Hampshire........................ 62. Map...locations of mica and feldspar mines of the Grafton district, New Hampshire .................................locations of mica and feldspar mines of the Keene district, New Hampshire.. Figure 38. Index map of New Hampshire |  | | Report (issue) | | the Southern Elkhorn Mountains Jefferson and Broadwater Counties, Montana By M. R. KLEPPER, R. A. WEEKS...Maywood and Red Lion formations Devonian system Jefferson dolomite Devonian and Mississippian systems Three...Turnley Ridge stock Rocks of the Boulder batholith Quartz monzonite, granodiorite, and related rocks Alaskite...of land forms Metallic mineral deposits Elkhorn district Geology Types of deposits Replacement deposits...Elkhorn district Elkhorn mine Keene mine Dolcoath mine and Klondyke mine Golden Moss mine Union mine C and |  | | Report (issue) | | X-ray Powder Pattern: Cripple Creek, Colorado, USA. 3.03 (10), 2.11 (7), 2.94 (6), 2.23 (5), 2.07 (4)...Creek, Colorado, USA; corresponds to (Au1.02 Ag0.02 )Σ=1.04 Te2.00 . (2) Moose mine, Cripple Creek, Colorado...Colorado, USA; Fe is from pyrite; corresponds to (Au0.80 Ag0.20 )Σ=1.00 Te2.00 . (3) Săcărı̂mb, Romania;...krennerite, petzite, hessite, tellurium, gold, pyrite, quartz. Distribution: In Romania, from Săcărı̂mb (Nagyág)... In the USA, in Colorado, at several mines in Cripple Creek, Teller Co.; the Smoky Hill mine, Boulder |  | | Book | | ROADSIDE % JEOLOGY of Montana David Alt and Donald W. Hyndman ROADSIDE N JEOLoGY of Montana David Alt Donald...Roadside geology of Montana. Bibliography: p. Includes index. 1. Geology — Montana — Guide-books. I. Hyndman...know something about the rocks and landscapes of Montana. We hope our professional colleagues will enjoy...dealing with the four major geologic provinces in Montana. Each starts with its own more specific narrative...Nearly every geologist who has ever worked in Montana contributed something to this book. We read almost |  | | Journal (article/letter/editorial) | | granite is the most extensive formation in the district, occurring chiefly in the mountain districts....WATSON. " Copper-bearing Rocks of Virgilina Copper District, Virginia and North Carolina." Bulletin of the...the copper-bearing rocks of the Virgilina copper district of Virginia and North Carolina and shows the adjacent...sketches structural details in the Green Mountain district and in eastern New York, such as folds, cleavage...pre-Cambrian outlier at Little Falls, in Herkimer county, N. Y., and points of difference with the syenite |  | | Report (issue) | | Cambrian rocks and gold deposits in southwest Montana by Edward T. Ruppel 1 Open-File Report 85-207.................................... Gold-bearing quartz veins and related gold deposits in the western...elsewhere in southwest Montana........................................... Mayflower mine.....................Silver Star district........................................ Rochester (Rabbit) district....................... Dyce Creek, the Argenta district, and the Bannack district................................. |
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