 | | Journal (volume) | | on some Microminerals from the Ohio pit, Baraga County, Michigan Al Falster 920 McIntosh Wausau, Wl 54401...54401 I I r i The Ohio pit in Baraga County, Michigan, is an old open-pit iron mine. In vugs and cavities...AUSTRALIA, GERMANY RUSSIA, NORWAY, ITALY, NEW ZEALAND, USA & MEXICO Write for free list. Dealer prices available...elbaites with top quality morganites, aquamarines, topaz, herderites, and garnets, old Bisbee pieces, lots...NEWS, P 0. Box 1154, Coeur d' Alene , Idaho 83814 USA. Information in this newsletter may not be reproduced |  | | Report (volume) | | Broadwater and jefferson Counties, Montana U.S. GEOLOGICAL SURVEY BULLETIN 1805 MONTANA Mineral Resources...Wilderness Study Area, Broadwater and Jefferson Counties, Montana By WILLIAM R. GREENWOOD, STEVE LUDINGTON...Wilderness Study Area, Broadwater and Jefferson Counties, Montana. (Studies related to wilderness) (U.S...no.: I 19.3:1805 1. Mines and mineral resources-Montana-Elkhorn Wilderness. 2. Elkhorn Wilderness (Mont...forest land in the Elkhorn Wilderness Study Area, Montana, that is being considered for wilderness designation |  | | 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...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal |  | | Journal (article/letter/editorial) | | Amethyst Mine RUSS HAGE 701 Lolo Street Missoula, Montana 59802 dukbstr@aol.com MICHAEL A. MENZIES Unit...Alberta Canada T3B 4T7 mmenzies@shaw.ca Jefferson County, Montana P erched high on the south-facing side...steep ridge just east of the continental divide in Montana is the Little Gem amethyst mine. It is an imposing...the southern boundary of the Boulder Batholith in southwestern Montana. Map prepared by William Besse...southern extremity of the well-mineralized Boulder Batholith where those prospectors were seeking mineable |  | | Report (volume) | | of the Basin Quadrangle Jefferson, Lewis and Clark, and Powell Counties, Montana By EDWARD T. RUPPEL GEOLOGICAL...report of an area along the west margin of the Boulder batholith UNITED STATES GOVERNMENT PRINTING OFFICE...the Basin quadrangle, Jefferson, Leis and Clark, and Powell Counties, Montana. Washington, U.S. Govt...119-121. 1. Geology Montana Basin quadrangle. 2. Mines and mineral resources Montana Basin quadrangle.... I. Title: Basin quadrangle. Montana. (Series) For sale by the Superintendent of Documents, U.S. Government |  | | Report (issue) | | Northern Elkhorn Mountains I I Jefferson and Broadwater Counties, Montana GEOLOGICAt ' SURVEY PROFESSIONAL...Northern Ell(horn Mountains Jefferson. and Broadwater CountieS, Montana By HARRY w. SMEDES GEOLOGICAL...Tertiary System ______________________ _ Boulder batholith ______________________________ _ Early mafic...__________________________________ _ Flow-layered topaz-bearing rhyolite ______ _ lRhyolite porphyry _____________________...________ _ Structures related to emplacement of the batholith __ _ Postbatholith structures ________________________ |  | | Report (issue) | | Resources of the Elkhorn Wilderness Study Area, Montana A cooperative study by the U.S. Geological Survey... __ -- . __««.»____.____ ,_«.___._ .~.__ -« Jefferson City zone Base- and precious metal-bearing quartz...Elkhorn wilderness study area, Jefferson and Broadwater Counties, Montana Aeromagnetic anomaly map for...Resources of the Elkhorn Wilderness Study Area, Montana Chapter A Mineral Resource Assessment by William...forest land in the Elkhorn Wilderness Study Area, Montana that is being considered for wilderness designation |  | | Report (issue) | | CALIFORNIA COLORADO GEORGIA IDAHO MAINE MISSOURI MONTANA NEVADA NEW MEXICO NORTH CAROLINA OKLAHOMA OREGON...of the Pine Grove-B la*n Mountain area. Beaver County, Utah: U. S. Geological Survey Open-File Report...molybdenum system, southern wah wah Mountains, Beaver County, Utah (abstract): American Institute of Mining...Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geological Survey Bulletin 982-D...Occurrence and origin of garnets in the South Mountain batholith, Nova Scotia: Canadian Mineralogist, v. ^9, p |  | | Report (issue) | | ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited by R.G. Tysdal 1 , Steve Ludington2 , and...ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 96-683-A...in west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal...lands within parts of five counties: Broadwater, Jefferson, Meagher, Powell, and Lewis and Clark. * Gold...Gold was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the |  | | Journal (issue) | | scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...Ray Hill collection; Michael Bainbridge photo. Topaz, 4 cm, from Murzinka, Russia; Mike Menzies collection;...President Thomas Jefferson upon their return to the East; their specimens, donated by Jefferson, ended up mostly...beautiful quartz specimens from Denny Mountain and King County, Washington, and the zeolites from the coastal...in the Montana State Capitol rotunda, by F. Pedretti’s Sons, 1902, 84 inches in diameter. Montana Historical |  | | Book (volume) | | Aquamarine, Beryl, some Ruby-red Corundum, Spodumene and Topaz. Georgia has been actively prospected for gold since...Dahlonega Co. and Rabum Co., and  the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside the Co. line in...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Report (issue) | | Range mineral belt of Colorado; the Boulder batholith area, Montana ; the Sierra Ancha region, Arizona...including Arizona, California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK W. OsTERWALD ...was known to occur in the Leyden Coal mine~ Jefferson County, Colo., as early as 1875 (Berthoud, 1875,...called the mineral coracite because he thought Routt County, Colo. (Gale, 1908); and deposits at San that although...(Sprigg, 1954, p. 8) extracted from an unGilpin County, Colo., in 1871 by Ric}lard Pearce known tonnage |  | | Journal (article/letter/editorial) | | Netherlands INVESTIGATIONS OF THE EMPIRE CREEK STOCK, MONTANA, AS AN ANALOGUE TO A NUCLEAR WASTE REPOSITORY H...1986. Investigations of the Empire Creek stock, Montana, as an analogue to a nuclear waste repository....case history of a mild geothermal area in western Montana, U.S.A., has been compiled to learn about the effects...study has investigated a mild geothermal area in Montana as a possible natural analogue to a repository...system. The geothermal anomaly near MarysviUe, Montana, was discovered in 1965 (Blackwell, 1969) and was |  | | Report (volume) | | Daybreak mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the...GEOLOGY area, Montana and Wyoming, and the deposits in the Dripping Spring quartzite, Gila County, Ariz. According...Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U. S. Geol. Survey Bull. 982-D, p. 95-119...Golden Gate Canyon and Ralston Creek areas, Jefferson County, Colorado: U. S. Geol. Survey Circ. 320,16...at nine localities in the northern part of Jefferson County, Colo., in shear zones that cut Precambrian |  | | Report (volume) | | 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT PRINTING.......................................... . 91 Jefferson limestone:......................................Ill 113 114 115 116 11.7 117 118 118 119 119 Boulder and Basin districts..../......................... Descriptions of special districts Continued. Boulder and Basin districts Continued. Descriptions of...Cliff Mountain; B, Jointing in-granite south of Boulder....................... III. Lamellar calcite ore |  | | Journal (article/letter/editorial) | | anatase,barite, bastnaesite,carbon, graphite, rutile, topaz, zircon, and doubtlessothers not yet investigated... pyrite, rutile, silver, sphalerite (Fe-poor), topaz, and zircon. X-ray patterns made of most of these...quartz monzonite and granodiorite from the Boulder batholith, Montana, was studied by means of polishedsections...(1960) that I try to isolatesulfidesfrom the Boulder batholith rocks with hydrofluoric acid. Pnocprunp The...detailed procedure developed for use on the Boulder batholith rocks servesto illustrate the method. It should |  | | Journal (article/letter/editorial) | | Origins of Water in the Boulder Batholith and the Butte Ore Deposits,Montana* SIMONM. F. SI•EPP^m) Arm...Butte ore deposits,and the Late CretaceousBoulder batholith as well, appear to be Postbetholith rocks ,:::•QPrincipol...role of primary magmaticand meteoric hydrothermal Boulder betholith plutons ß Biotite fluids during the evolutionof...western FiG. 1. Generalizedgeologicalmap of the Boulder bathoMontana-Idaho-easternWashington region during...the major mines and prospects within the Boulder batholith shouldhavebeenisotopicallyheavierthan today |  | | Journal (article/letter/editorial) | | connected with the intrusion of the Kaniksu batholith. Introduced mineralization productswere first...approximately the central third of the Mascot-Jefferson City mining district in Tennessee. The Grasselliand...property situatedin the west-centralsectionof the Boulder County tungstenbelt, thirty miles northwestof Denver...URANIUM-BEARING THE BOULDER BATHOLITH, ERNEST E. THURLOW 125 DEPOSITS OF MONTANA AND LEONARD D. JARRARD...Lake City, Utah; and Atoralc Energy Cora., Butte, Montana The Boulderbatholithof westernMontanaconsists |  | | Book | | Montana Hodges Robert Feldman Shaded relief indicates terrain and slope. Second Edition Rockhounding...longitude numbers and grid ticks are GPS compatible. Montana Enhanced detail shows more symbols, labels, and...history Cover photos of Montana agate (front) and ammonite imprint (back) © Montana Hodges Cover design by...imprint of The Globe Pequot Press MONTANA Search for stunning Montana agate along the Yellowstone River...paleontologists excavate dinosaurs in Malta. Rockhounding Montana points the way to the best rockhounding in the |  | | Report (volume) | | radioactivity of zircon from igneous rocks of the batholith of southern California_________________ ___ ________...type containing the zircon. In a calc-alkalic batholith, the amount of zircon in gabbro is very small...barite, celestite, fluorite, pyrite, molybdenite, topaz, scheelite, zoisite, corundum, rutile, and more...pyrite and will not dissolve in nitric acid alone. Topaz, zoisite, fluorite, and corundum. Although zoisite...occasionally sink for the reasons cited for apatite. Topaz (density=3.58) and corundum (density=4.00), however |  | | Journal (article/letter/editorial) | | extensionof the great intrusion.knownas the Boulder batholith. This bodyof granitic rock was intruded,so...entitled"Ore Depositsof the Helena MiningRegion,Montana," Bull.U.S. Geol.SurveyNo. 527(in press). Io 5...geneticallyrelated to the intrusion of the Boulder batholith are Wickes, Helena, Rimini, Elkhorn, and.... preeminently, Butte. The Roof Rocks of the Batholith.--The remnants of the roof beneat'hwhich the granite...both the eastern and western borders of the batholith the andesitierocks are also presentin great |  | | Report (volume) | | Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER UNITED STATES...than the Boulder batholith._____________________ Quartz monzonite and aplite of the Boulder batholith_______...___________________________________ Rocks younger than the Boulder batholith.__________________ Ore deposits._________................_....._.............._ Basin and Boulder districts____.--_________-_------_-__---_-_Elkhorn... Page PLATE 1. 2. 3. 4. 5. Area of the Boulder batholith and traces of overthrust faults. In |  | | Report (issue) | | of the Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...of the Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado By C. C. HAWLEY and R. A. WOBUS...DEPOSITS OF THE SOUTHERN TARRYALL REGION, PARK AND JEFFERSON COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...of the Precambrian crystalline rocks, Park and Jefferson Counties. (Geology and ore deposits of the southern...southern Tarryall region, Park and Jefferson Counties, Colorado) (Geological Survey Professional Paper |  | | Book (edition) | | penny, some feldspar, a quartz crystal, and some topaz handy, you should be able to identify most minerals...chert, chalcedony, and jasper; streak plate Garnet Topaz Corundum Diamond Be a Safe and Considerate Collector...the United States; other agencies, such as state, county, and wildlife agencies, also control minor lands...intrusions, such as the famed Stillwater Complex in Montana. Perhaps the most famous layered intrusive with...countertops, monuments, and statues. The gabbros of Montana around the Stillwater Complex are the most noteworthy |  | Irwin, J.J., Roedder, Edwin (1995) Diverse origins of fluid in magmatic inclusions at Bingham (Utah, USA), Butte (Montana, USA), St. Austell (Cornwall, UK), and Ascension Island (mid-Atlantic, UK), indicated by laser microprobe analysis of Cl, K, Br, I, Ba + Te, U, Ar, Kr, and Xe. Geochimica et Cosmochimica Acta, 59 (2) 295-312 doi:10.1016/0016-7037(94)00285-t | Journal (article/letter/editorial) | | Copyright 0 1995 Elsevier Science Ltd Printed in the USA. All rights reserved ool6-7037/95 $9.50 + .oo 0016-7037(94)00285-l...magmatic inclusions at Bingham (Utah, USA), Butte (Montana, USA), St. Austell (Cornwall, UK), and Ascension...Physics, University of California, Berkeley, CA 94720, USA ‘Department of Earth and Planetary Science, Harvard...1993; accepted in revised Cambridge, MA 02 138, USA form August 3 1, 1994) Abstract-Saline fluid inclusions...Slightly lower temperature FI occur at Butte, Montana. Argon, Kr, and Xe were extracted from FI by laser |
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Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA