 | | Journal (article/letter/editorial) | | CARBONATIC NIOBIUM-RARE EARTH DEPOSITS, RAVALLI COUNTY, MONTANA* E. Wrr. Horxnrcn aNl A. A. LBvrxsotl,...Aesrnacr Carbonatic Nb RE deposits of Ravalli County, Montana contain chiefly doiomite and Sr-Ba calcite...GenerolStatement Mineral depositsof unusual characteristicsoccur in the southwestern corner of Montana in Ravalli...Ravalli County, in the headwatersof the West Fork of the Bitterroot River along the eastern flank of the...origin. History Rare-earth minerals from western Montana were first describedby Penfield and Warren (1899) |  | Graham, G., Hitzman, M. W., Zieg, J. (2012) Geologic Setting, Sedimentary Architecture, and Paragenesis of the Mesoproterozoic Sediment-Hosted Sheep Creek Cu-Co-Ag Deposit, Helena Embayment, Montana. Economic Geology, 107 (6) 1115-1141 doi:10.2113/econgeo.107.6.1115 | Journal (article/letter/editorial) | | Mesoproterozoic Sediment-Hosted Sheep Creek Cu-Co-Ag Deposit, Helena Embayment, Montana GARTH GRAHAM,1,† MURRAY...within the Mesoproterozoic Newland Formation. The Sheep Creek Cu-Co deposit occurs within a structural block...marcasite that is intergrown with and replaces dolomite. Silicification and paragenetically late chalcopyrite...development for the Sheep Creek Cu-Co-Ag deposit. Introduction THE SHEEP Creek sedimentary rock-hosted...approximately 32 km north of White Sulphur Springs, Montana, in the Helena Embayment, the eastern branch of |  | | Journal (issue) | | —————————— Mineral News ————————————————— Page Mineral News Vol. 38, No. 2 February, 2022 The Mineral Collector’s...Recovery of a Trophy “Float Copper” in Keweenaw County of the Michigan Copper Country Tom Rosemeyer tajmahal@gilanet...page 8) Rare Earth Element Minerals from Sheep Creek, Montana Frank Dudás (foldudas@verizon.net) and Nilanjan...in the Sheep Creek area near the Montana – Idaho border, at the southern end of Ravalli County, Montana...called the Dark Star Mine, immediately east of Sheep Creek and the West Fork of the Bitterroot River. The |  | | Journal (issue) | | —————————— Mineral News ————————————————— Page Mineral News Vol. 38, No. 3 March, 2022 The Mineral Collector’s... The Ravine, Fine, St. Lawrence County, New York An Obscure Mineral Locality Re-Discovered Steven C....connect close to this intersection. Three well-known mineral localities are within walking distances of each...that several collectors in the St. Lawrence County Mineral Club had told him about an old locality in...Emirates Tony Nikischer tony@excaliburmineral.com Mineral specimens from the United Arab Emirates are few |  | | Journal (article/letter/editorial) | | VOL. 107 September–October NO. 6 Origins of Mineral Deposits, Belt-Purcell Basin, United States and...mesothermal Pb-Zn-Ag veins of the Coeur d’Alene district in northern Idaho (total production: Pb, 7.5 Mt;...associated polymetallic veins in the Butte district in Montana (total resource: Cu, 35 Mt; Zn, 4.6 Mt; Ag...years of production. Mining of 26 major vein deposits in the Coeur d’Alene district began in the 1880s...peaked about 1950. Production in the Coeur d’Alene district continues today from the Galena and Lucky Friday |  | | 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...known as the duckbill dinosaur. Although a state mineral has not been designated, there are two official...gem and mineral literature has been published describing the occurrence, collecting, mining, and cutting |  | | Journal (issue) | | —————————— Mineral News ————————————————— Page Mineral News Vol. 38, No. 12 December, 2022 The Mineral Collector’s...as it is often referred to, is a fairly common mineral that is often found in the upper, weathered portions...a shallow depth, capping the ore deposits. The mineral is soft, H-2 on Mohs scale, resinous or waxy and...at Silver Reef in southwestern Utah’s Washington County (figure 1) is a very unique occurrence. The high-grade...City cuts right through the middle of the Mining District. (Continued on page 2) The Moravian Territorial |  | | Report (issue) | | Crystal Data: and grains. Mineral Data Publishing, version 1.2 Tetragonal. Point Group: 4=m As crystals...908{6.006 Z = 16 X-ray Powder Pattern: Ravalli Co., Montana, USA. 1.335 (100), 1.422 (25), 3.139 (10),...by diabase sills and small pegmatites (Ravalli Co., Montana, USA). Association: Quartz, calcite, aegirine...calcite, dolomite, ancylite, aeschynite, monazite, sodic amphiboles, barite (Ravalli Co., Montana, USA); benitoite...bario-orthojoaquinite, fresnoite, natrolite (Gem mine, California, USA). Distribution: In China, from the Baiyun-Obo mine |  | | Report (volume) | | Mineral Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana U.S. GEOLOGICAL SURVEY...BULLETIN 1766 Mineral Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana By R. C. PEARSON...ation Data Mineral resources of the Eastern Pioneer Mountains, Beaverhead County, Montana. (U.S. Geological...3:1766 1. Mines and mineral resources-Montana-Pioneer Mountains. 2. Oredeposits-Montana-Pioneer Mountains...Mountains. 3. Geology-Montana-Pioneer Mountains. I. Pearson, Robert Carl, 1926II. Series. 87-600055 557.3 s QE75 |  | | Journal (article/letter/editorial) | | Butte shale-hosted copper deposit, Belt Basin, Montana, USA Joshua White & Christopher H. Gammons & G. A...Black Butte copper deposits (formerly known as Sheep Creek) are a group of sediment hosted, laterally extensive...that is typical of SEDEX deposits. This unique mineral deposit model may have applications to other districts...Geological Engineering, Montana Tech, 1300 West Park Street, Butte, MT 59701, USA e-mail: cgammons@mtech...G. A. Zieg 617 E. 17th Ave., Spokane, WA 99203, USA Keywords SEDEX . Stratiform copper . Siegenite |  | | Report (issue) | | southwestern Montana, by Earle R. Cressman___,________--___________ (B) Geology of the Crazy Woman Creek, Johnson...Johnson County, Wyo., by Richard K. Hose-.-----------------------------------------(C) Dolomite deposit...deposit near Marble, Stevens County, Wash., by Charles Deiss----'-------_---_--_--_---------->-------------------_-(D)...------_-(D) Geology and mineral fuels of parts of Routt and Moffat Counties, Colo., by N. Wood Bass,..._ _ _ (E) Sugar Loaf and St. Kevin mining districts, Lake County, Colo., by Quentin D. Singewald____ |  | | Journal (article/letter/editorial) | | analysis,and by making laboratoryand eastMissourilead district,in Ridge,J. D., ed., Ore depositsin officespaceavailableto...appreciationparticularly to Kenneth Anderson, Inst. Mining Metall. PetroleumEngineers,p. 826-858 STRATABOUND...SUPERGROUP OF MONTANA IAN M. LANGE Departmentof Geology,Universityof Montana, Missoula,Montana 59812 AND...light-colored quartzites of the Revett Formation of the Ravalli The ooid-peloid-mud chip-bearingbed lieswithin...(1978). This type (Fig. mation of dolomite rhombs. 1) occursnear Wolf Creek and near Red Mountain Mineral |  | | Report (issue) | | FUELS THE NEW WORLD OR COOKE CITY MINING DISTRICT, PARK COUNTY, MONTANA By T. S. LOVERING f INTRODUCTION...% : * In the pioneer days of Montana the New World mining district was regarded as one of ,its most...from the district, but little information has hitherto been available as to the geology and mining. To supply...supply this need the district was studied and mapped during the summers of 1922 and 1923. FIELD WORK AND... was devoted to a study of the geology of the district. About six weeks in July and August, 1925, was |  | | Report (volume) | | WILDERNESS AREAS SCAPEGOAT, MONTANA GEOLOGICAL SURVEY BULLETIN 1385-B Mineral Resources of the Scapegoat...Wilderness, Powell and Lewis and Clark Counties, Montana By MELVILLE R. MUDGE, ROBERT L. EARHART, and KENNETH...SURVEY BULLETIN 1385-B An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT...survey these wilderness areas to determine the mineral values, if any, that may be present. The act also...reports the results of a mineral survey of the Scapegoat Wilderness, Montana. Work began in the area prior |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY GEOLOGY OF THE DEEP CREEK AREA, WASHINGTON, AND ITS REGIONAL SIGNIFICANCE...Survey standards. ERRATA for Geology of the Deep Creek Area, Washington, and its regional significance...3rd paragraph and in table of contents: "The Lime Creek Mountain block and the decollement problem." Delete... Contents Page Stratigraphy and structure of the Deep Creek area 1 Introduction 1 Field work and acknowledgements...__. TT- .,.- _________ 3 j Ledbetter 41 Lime Creek Mountain block 43 Rocks below the thrust fault |  | | Journal (article/letter/editorial) | | 1955 GEOLOGY OF THE LIMA REGION, SOUTHWESTERN MONTANA AND ADJACENT IDAHO BY ROBERT SCHOLTEN, K. A. KEENMON...southwest corner of Beaverhead County, Montana, and an adjacent portion of Clark County, Idaho, covers most of... Metamorphic rocks include the Pony and Cherry Creek groups and the Dillon granite gneiss, all pre-Beltian...diastrophism metamorphosed the Pony and Cherry Creek rocks and the partly syntectonic Dillon granite...present cycle of erosion is in the mature stage. Mineral resources in the region are largely undeveloped |  | | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...Sciences, University of Missouri, Columbia, MO 65211, USA (Received February 6, 2004; accepted in revised form... Arizona, USA; ⬃1.45–1.47 Ga Helena and Newland formations, Belt Supergroup, Montana, USA; and ⬃1.65...65 Ga Paradise Creek Formation, McNamara Group, NW Queensland, Australia) show large isotopic variability...method in Precambrian studies and, collectively, point to limited sulfate availability in the Proterozoic |  | | Report (issue) | | of evidence analysis in northeast Washington—4. Mineral industry activity in Washington, 1985-1997. by........................ 9 Appendix II--Table of mineral industry activity in Washington, 1985 to 1997....1.--Map showing location of 339 exploration or mining sites in Washington. ............................table of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...compiled for use in a weights-of-evidence analysis of mineral resources in northeastern Washington. Introduction | | | Report (issue) | | of evidence analysis in northeast Washington—4. Mineral industry activity in Washington, 1985-1997. by........................ 9 Appendix II--Table of mineral industry activity in Washington, 1985 to 1997....1.--Map showing location of 339 exploration or mining sites in Washington. ............................table of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...compiled for use in a weights-of-evidence analysis of mineral resources in northeastern Washington. Introduction |  | | Report (issue) | | Mineral Resources • In Permian Rocks of Southwest Montana GEOLOGICAL SURVEY PROFESSIONAL PAPER 313-E...Energy Commission l. Mineral Resources • In Permian Rocks of ,J Southwest Montana By ROGER W. SWANSON...__ _ .. (' (. Status of land ownership and mineral rights _______ _ Exposure and sampling of the Permian...__ _ Occurrence and character of phosphate in Montana ____ _ Stratigraphic and areal distribution ______________...Phosphate deposits in southwest Montana ________ _ Melrose district ____________________________ _ Northern |  | | Report (issue) | | SURVEY MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited...SUMMARY MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S....in west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal...was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the...minerals. * At the time of this study, the only mineral production within the Forest is gold from small-scale |  | | Journal (article/letter/editorial) | | Mineral. Deposita 26, 290 297 (1991) i ep'one, ralium slta 9 Springer-Verlag 1991 The origin and...horizons of the Mid-Proterozoic Newland Formation, Montana, USA J. Sehieber Department of Geology, The University...Belt basin (Fig. 1) contains several mineral deposits and mining districts of major importance, among...mineralization were found in a long history of mineral exploration (Reynolds and Harrison 1981; Lange...coarse clastic beds are most abundant in the NTZ. Mineral paragenesis Sediments of the Newland Formation |  | | Report (issue) | | Petrology of the Permian Rocks of Southwestern Montana GEOLOGICAL SURVEY PROFESSIONAL PAPER 313-C Prepared...Petrology of the Permian Rocks of Southwestern Montana By EARLE R. CRESSMAN and ROGER W. SWANSON GEOLOGY...sections_________________ Size analyses_________________ Heavy-mineral separation _ ___ Terminology ___________________________________...________---_-__------------Chert._________-__------------_------Dolomite _______-___--_---------------Stratigraphy ____________--...--_----_ Age of Permian rocks in southwestern Montana. Relation of Permian strata to overlying beds.______ |  | | Report (issue) | | ------------------------------------------Inyo Creek Formation--------------------------------------------West...----------Big Creek Formation--------------------------------------------· Apple Creek Formation----...Range-----------------------------------------------Morgan Creek-------------------------------------------------------Ellis...---Twelvemile Creek and Perreau Creek---------------------Yellowjacket mining district--------------...-------------~---Carmen Creek-----------------------------------------------------North Fork, Idaho, |  | | Report (volume) | | _: O Schmidt ROCKS AND MINERAL RESOURCES OF THE \VOI I CREEK AREA, MONTANA Geological Survey Bulletin... Rocks and Mineral Resources of the Wolf Creek Area, Lewis and Clark and Cascade Counties, Montana By ROBERT...front of the northern Rocky Mountains in western Montana UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...Rocks and mineral resources of the Wolf Creek area, Lewis and Clark and Cascade Counties, Montana. (Geological...Geology Montana Lewis and Clark Co. 2. Geology Montana Cascade County. 3. Mines and mineral resources |
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