 | | Report (issue) | | Mear the Oentral Part of the Lemhl Range, Lemhi County, Itlaho tJ.S, GEOLOGICAL SURVEY PROFESSIONAL PAPER...Near the Central Part of the Lemhi Range, Lemhi County, Idaho By EDWARD T. RUPPEL and DAVID A. LOPEZ ...near the central part of the Lemhi Range, Lemhi County, Idaho. (U.S. Geological Survey professional paper........ Yellowjacket Formation ....................... Reasons for interpreting the Yellowjacket Formation......................... Channel sandstone and Jefferson Formation . . Three Forks Formation ......... |  | | Book | | Guidebook B | Hill & Bartholomew }® Dillon 44° Montana Se . (75) =: eye Idaho Grader& =e Dehler...Office of Research Snake River Section, Society of Mining Engineers Idaho Association of Geoscientists (IAPG)...Paleozoic Stratigraphy and Structure 1. The Yellowjacket is Not the Prichard and Other Heresies: Belt...Seismic Hazard Susceptibility in Southwestern Montana: Comparison at Dillon and Bozeman Arleen A. Hill...History of the Beaverhead River Canyon, Southwestern Montana ZS7 Mervin J. Bartholomew, Sharon E. Lewis, Gail |  | | Report (issue) | | Land Stewardship—Headwaters Province, Idaho and Montana Circular 1305 U.S. Department of the Interior...Land Stewardship—Headwaters Province, Idaho and Montana By U.S. Geological Survey Headwaters Province...land stewardship—Headwaters province, Idaho and Montana: U.S. Geological Survey Circular 1305, 92 p. Cover.... Geochronology and Geochemistry of the Idaho-Montana Porphyry Belt, by Cliff D. Taylor, Jeffrey A. Winick...Mineralization in the Boulder Batholith Region, Montana, by Karen Lund, John N. Aleinikoff, Michael J. |  | | Report (issue) | | and Perreau Creek---------------------Yellowjacket mining district---------------------------~---Carmen...Maps: 1. Index of east-central Idaho and southwest Montana, showing localities mentioned in text---------...from the Snake River Plain northward to the Idaho-Montana line at Lost Trail Pass. In the northern part of...tentatively correlated with the Yellowjacket Formation. Farther south, the Yellowjacket-like rocks are overlain...and Gunsight Formations. The thickness of the Yellowjacket is not known, but probably exceeds 10,000 feet |  | | Report (volume) | | Structural Relations of the Hoodoo Quartzite and Yellowjacket Formation of Middle Proterozoic Age from Hoodoo...RIVER By E. B. EKREN The Yellowjacket Formation of the Yellowjacket district and Hoodoo Quartzite of Hoodoo...structural relations of the Hoodoo Quartzite and Yellowjacket Formations of Middle Proterozoic age from Hoodoo...Stratigraphic-Precambrian. 2. Hoodoo Quartzite (Idaho). 3. Yellowjacket Formation (Idaho). 4. Geology-Idaho-Hoodoo Creek...Introduction 1 Stratigraphy 2 Yellowjacket Formation 2 Hoodoo Quartzite 4 Yellowjacket and Hoodoo Creeks 4 Lithology |  | | Report (issue) | | Thrust System, East-Central Idaho and Southwest Montana GEOLOGICAL SURVEY PROFESSIONAL PAPER 1031 ...Thrust System, East-Central Idaho and Southwest Montana By EDWARD T. RUPPEL GEOLOGICAL SURVEY PROFESSIONAL... Index map, east-central Idaho and southwest Montana .................................................thrust system, east-central Idaho and southwest Montana ................... Map showing locations of allochthon...Medicine Lodge thrust system and its relation to the Montana disturbed belt and the Sapphire tectonic block |  | | Report (issue) | | The Thrust Belt in Southwest Montana and East-Central Idaho By EDWARD T. RUPPEL and DAVID A. LOPEZ GEOLOGICAL...Cordilleran fold and thrust belt in southwest Montana and east-central Idaho UNITED STATES GOVERNMENT...Edward Thompson, 1925The thrust belt in southwest Montana and east-central Idaho. (Geological Survey Professional...ofDocs. No.: I 19.16 1. Thrust faults (Geology)-Montana. 2. Thrust faults (Geology)-Idaho. I. Lopez, David...southwest Montana to the Sixteenmile thrust zone and to other thrust plates in west-central Montana . . . |  | | Journal (article/letter/editorial) | | e s A metamorphosed Proterozoic exhalative ore district J.L. Nold Department of Earth Sciences, Central...Missouri State University, Warrensburg, Missouri USA 64093 Abstract. In the Idaho cobalt belt, originally...stratiform mineralization within the Proterozoic Yellowjacket Formation has become increasingly coarsegrained... The most important deposit in the district is the Blackbird mine which produced copper-cobalt ore sporadically...cobaltiferous pyrite. Toward the northwest at the Blackpine mine, remobilization has concentrated most of the mineralization |  | | Journal (article/letter/editorial) | | Belt, USA J.T. Nash and J.J. Connor US Geological Survey, Box 25046, MS 973, Denver, CO 80225, USA Received:...lithostratigraphic zones of the Middle Proterozoic Yellowjacket Formation characterized by distinctive chemical...percent). The Cu-Co-Au deposits of the Blackbird mine are stratabound in Fe-silicate facies rocks that...rocks containing scapolite and high C1, the Yellowjacket Formation lacks evidence for evaporitic strata...500 chemical analyses. The Blackbird mine is located in Lemhi County, Idaho, about 35 km west of Salmon |  | | Journal (article/letter/editorial) | | belt, including the deposits of the Blackbird district, have been analyzed for their sulfur, carbon,...values are nearly uniform throughout the Blackbird district, with a mean value for cobaltite (CoAsS, the main...32,000 t Cu were removed— came from the Blackbird Mine at the midpoint of the belt in the time periods...(late 2011), construction is underway on a new mining operation that will exploit a reserve within the...Quartzitic metasandstones of the Mesoproterozoic Yellowjacket Formation (2.7 km) crop out 1207 1208 JOHNSON | | | Report (issue) | | published information, field investigations, and mining company data. 2 ABBREVIATIONS USED IN THIS REPORT...resources Mining districts Gibbonsville Mining District Indian Creek Mining District Mineral Hill Mining District...Mackinaw Mining District Blackbird Mining District Wilson Creek Mining District Yellowjacket Mining District...Range Mining District Eureka Mining District Carmen Creek Mining District Eldorado Mining District Pratt...Creek Mining District McDevitt Mining District Junction Mining District Texas Mining District Spring |  | | Report (issue) | | ...................................... Mount Jefferson West (4-962)....................................BITTERROOT NATIONAL FOREST MEADOW CREEK (1-845) 25% in Montana Kind and amount of data The geology of the Meadow...included in the SelwayBitterroot Wilderness in 1980. Mining districts, mines, and mineral occurrences The Meadow...silver) mining district extends into the area from the south and the Elk City gold mining district borders... Most mining activity, which began in the 1860's, centered around gold placer and lode mining. Prospects |  | | Report (volume) | | H. MclNTYRE Papers presented at the Northwest Mining Association Convention, Spokane, Washington, Dec...bulletin ; 1658A-S) "Papers presented at the Northwest Mining Association Convention, Spokane, Washington, Dec...Congresses. I. Mclntyre, David H. II. Northwest Mining Association (U.S.). Convention (1983 : Spokane...Volcanic Subsidence in the Custer Graben, Custer County, Idaho, by D. H. Mclntyre and K. M. Johnson. 109...Douglas-Fir at the Red Mountain Stockwork, Yellow Pine District, Idaho, by J. A. Erdman, B. F. Leonard, and D |  | | Report (issue) | | Terranes Part I Geographic Distribution of Gold Mining Regions and Types of Deposits in the United States...bibliographies. Contents: Geographic distribution of gold mining regions and types of deposits in the United States...Redden and Gregory McN. French. 1. Gold mines and mining United States. 2. Gold deposits United States....CIP CONTENTS Geographic distribution of gold mining regions and types of deposits in the United States...Molybdenum-copper deposits B30 Banner mine B30 Central part B31 Stanley district B31 History and production B31 |  | Lund, K., Tysdal, R. G., Evans, K. V., Kunk, M. J., Pillers, R. M. (2011) Structural Controls and Evolution of Gold-, Silver-, and REE-Bearing Copper-Cobalt Ore Deposits, Blackbird District, East-Central Idaho: Epigenetic Origins. Economic Geology, 106 (4) 585-618 doi:10.2113/econgeo.106.4.585 | Journal (article/letter/editorial) | | REE-Bearing Copper-Cobalt Ore Deposits, Blackbird District, East-Central Idaho: Epigenetic Origins K. LUND...(± Ag ± Ni ± REE) ore deposits of the Blackbird district, east-central Idaho, have previously been classified...section. New studies indicate that, across the district, mineralization was introduced into the country...structurally controlled vein and alteration systems. Quartz-rich and biotite-rich veins (and alteration zones)...mineral associations across the district. Both early and late quartz veins contain chalcopyrite and pyrite |  | Connor, Jon J., Bartel, Ardith J., Brandt, E.L., Briggs, P.H., Danahey, S., Fey, D.L., Hatfield, D.B., Malcolm, M.J., Merritt, V., Riddle, G.O., Roof, S., Stewart, K.C., Storey, J., Taggert, Joseph E., Vaughn, R.B. (1990) Geochemical stratigraphy of the Yellowjacket Formation (Middle Proterozoic) in the area of the Idaho Cobalt Belt, Lemhi County, Idaho, Part A - Discussion. Open-File Report Vol. 1990 (90-234) US Geological Survey doi:10.3133/ofr90234a | Report (issue) | | the Yellowjacket Formation (Middle Proterozoic) in the area of the Idaho Cobalt Belt, Lemhi County, Idaho...Cobalt Belt ........ Summary character of the Yellowjacket Formation ............... Histograms of selected...geochemical differences among subunits of the Yellowjacket Formation ........................... 2 4 6... ABSTRACT INTRODUCTION The Middle Proterozoic Yellowjacket Formation in the area of the Idaho Cobalt Belt...thickening-upward nature of the succession suggests that the Yellowjacket represents a basin-filling prograding wedge |  | | Journal (article/letter/editorial) | | 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...1998). The Sullivan Mine closed in 2001 after more than 92 years of production. Mining of 26 major vein...d’Alene district began in the 1880s and peaked about 1950. Production in the Coeur d’Alene district continues...access shaft). Mining at Butte began in 1875, with copper production peaking in 1917. Mining continues today |  | | Report (issue) | | METAEVAPORITE AND CARBONATE ROCKS OF PROTEROZOIC YELLOWJACKET FORMATION, MOYER CREEK, SALMON RIVER MOUNTAINS...of selected elements in rocks from Moyer and Yellowjacket Creeks ABSTRACT Interstratified scapolite-rich...with similar strata in the lower part of the Yellowjacket Formation of the type area. Repetition of three...the region. Scapolite of the Yellowjacket Formation of the Moyer-Yellowjacket Creek study area ranges from...(argillaceous quartzite of Ross, 1934) Hoodoo Quartzite Yellowjacket Formation (as unit defined by Ross, 1934) Contact |  | | Journal (article/letter/editorial) | | long and up to 10 km wide, centred on the Blackbird mine. It is an exceptional metallogenic province in which...cobalt project encircles the inactive Blackbird mine and encompasses the Ram and Sunshine deposits as...km long and 10 km wide, centred on the Blackbird mine. It is exceptional as a Prepared as a contribution...Annual commodity meeting of the Institution of Mining and Metallurgy held at the Royal School of Mines...sci.), 110, May–August 2001. © The Institution of Mining and Metallurgy 2001. PROFESSIONAL PAPER metallogenic |  | | Report (issue) | | .. 35 Regional Correlation and age of the Yellowjacket Formation............. 39 Depositional Environment... 41 The Yellowjacket Formation: A Turbidite Sequence................. 57 Yellowjacket Depositional.......................... 82 Folding in the Yellowjacket....................................... 84 ................................... 97 Blackpine Mine............................................... ........ 104 Trace-Element Geochemistry of the Yellowjacket Formation.......... 105 Origin of the Mineralization |  | | 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 |  | Lund, Karen, Alminas, H.V., Kleinkopf, M.D., Ehmann, W.J., Bliss, J.D. (1989) Preliminary mineral resource assessment of the Elk City 1 degree x 2 degrees Quadrangle, Idaho and Montana; compilation of geologic, geochemical, geophysical, and mineral deposits information. Open-File Report Vol. 1989 (89-16) US Geological Survey doi:10.3133/ofr8916 | Report (issue) | | ASSESSMENT OF THE ELK CITY 1°X2° QUADRANGLE, IDAHO AND MONTANA: Compilation of geologic, geochemical, geophysical...sedimentary and metasedimentary rocks............. Yellowjacket Formation and Lemhi Group.....................1. Index map of mining districts in the Elk City I°x2° quadrangle, Idaho and Montana...................1979........... A2. Index to geologic mapping in Montana and to mapping in Idaho available after 1979 ....map of the Elk City I°x2° quadrangle, Idaho and Montana Map showing Au-association anomaly distribution |  | | Journal (article/letter/editorial) | | CONCENTRATIONS IN Co-Cu-Au ORES OF THE BLACKBIRD DISTRICT, IDAHO JOHN F. SLACK† U.S. Geological Survey,...of strata-bound Co-Cu-Au ore from the Blackbird district in Idaho shows previously unknown high concentrations...Deposits of the Blackbird District Co-Cu-Au deposits of the Blackbird district constitute the only significant...Haynes-Stellite mine (Bennett, 1977). Production from the Blackbird (Uncle Sam) underground mine and the Blacktail...and Scales, 2001). Based on data from the Hanna Mining Co., Bennett (1977, table 2) calculated unmined |  | | Report (issue) | | Chlorine-rich blotltes from the Blackbird raining district, Lenhi County, Idaho evidence for a saline hydrothermal.................................. Chlorine in Yellowjacket Metamorphic Rocks.............................2 Figure 2. Generalized geology of the Blackbird mine area, showing the location of Co-Cu deposits and...Blackbird District......... 23 Table 2. Partial results of microprobe analyses of biotite, Yellowjacket Formation...Formation, Blackbird District....................................... 24 Table 3. Representative Microprobe |  | Trumbull, R. B., Slack, J. F., Krienitz, M.-S., Belkin, H. E., Wiedenbeck, M. (2011) Fluid sources and metallogenesis in the Blackbird Co-Cu-Au-Bi-Y-REE district, Idaho, U.S.A.: insights from major-element and boron isotopic compositions of tourmaline. The Canadian Mineralogist, 49 (1) 225-244 doi:10.3749/canmin.49.1.225 | Journal (article/letter/editorial) | | METALLOGENESIS IN THE BLACKBIRD Co–Cu–Au–Bi–Y–REE DISTRICT, IDAHO, U.S.A.: INSIGHTS FROM MAJOR-ELEMENT AND...the Mesoproterozoic Blackbird Co–Cu–Au–Bi–Y–REE district, Idaho, where it occurs in both mineralized zones...barren pipes of tourmaline breccia, from late barren quartz veins, and from Mesoproterozoic granite. The tourmalines...prominent only in tourmaline from breccias and quartz veins; crystal rims are enriched in Mg, Ca and...occurs in unmineralized samples from wallrocks, late quartz veins and Mesoproterozoic granite, whereas heavy |
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