 | | Report (issue) | | Bedded Iron Deposits of the Southwestern Ruby Range, Montana , , 'A " U,S. GEOLOGICAL SURVEY PROFESSIONAL...Bedded Iron Deposits of the Southwestern Ruby Range, Montana By HAROLD L. JAMES With a section on THE...THE KELLY IRON DEPOSIT OF THE NORTHEASTERN RUBY RANGE U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1495...and mineral deposits of the southwestern Ruby Range, Montana UNITED STATES GOVERNMENT PRINTING OFFICE...bedded iron deposits of the southwestern Ruby Range, Montana. (U.S. Geological Survey professional paper |  | | Journal (article/letter/editorial) | | the Kelly and Carter Creek areasof the Ruby Range,southwestern Mineral assemblages Montana, indicate o...consensuspeak temperature estimateof 745+50"C. For the Carter Creek area, garnet-clinopyroxene,garnethornblende...ind mineral assemblagesin two areas within the Ruby Range, southwesternMontana. These two areas,designatedin...designatedin Figure I as the Kelly and Carter Creek areas,are particularly well-suited to the proposedstudy...therefore, is to evaluate the precision, The Ruby Range is a northeast-southwest-trendaccuracy,sensitivity |  | | Report (issue) | | Deposits of the Tobacco Root Mountains, Southwestern Montana GEOLOGICAL SURVEY PROFESSIONAL PAPER 1187...Deposits of the Tobacco Root Mountains, Southwestern Montana By HAROLD L. JAMES GEOLOGICAL SURVEY PROFESSIONAL...deposits of the Tobacco Root Mountains, southwestern Montana. (Geological Survey professional paper ; 1187)...Supt. of Docs. no.: I 19.16:1187 1. Iron ores--Montana--Tobacco Root Mountains. 2. Geology, stratigraphic-Pre-Cambrian...__________________________________ 12 Carmichael Creek (2) ____________________________________ 13 Boulder |  | | Journal (article/letter/editorial) | | somemetamorphic Precambrian iron-formations in southwestern Montana INon P. Itr.fir,Igce eNo CoRtrlgt-IsKLEIN, JR....iron-formations from the Tobacco Root and Ruby Mountains and the Gravelly Range of southwesternMontana were studied...associatedwith the iron-formation in the Ruby Creek area of the Gravelly Range are of chlorite grade. The high...feldspar. Similar assemblages from the Carter Creek area of the Ruby Mountains are relatively amphibole-rich...ferrohyperstheneand andraditegarnet.Amphiboles in the Carter Creek area iron-formations contain more exsolution |  | | Journal (article/letter/editorial) | | metamorphic lithologies from two small areas in the Ruby Range, southwesternMontana, has been studied by electron...Saxena(1979) yield anomalously high timperatures for the Ruby Range. If this result is observedin other upperamphibolite...pairs in natural assemblages from the Ruby Range, southwestern Montana (Fig. l). Potentially the most useful...considerations in mind, two small areas in the Ruby Range were chosen for study. These areas, designated...designated in Figure I as the Kelly and Carter Creek areas, ate I km2 and 9 km', respectively. Coexisting garnets |  | | Report (issue) | | Virginia City mining district), Madison and Beaverhead Counties, southwest Montana: Mineral-resource and mineral-environmental...mining district Blacktail mining district Cherry Creek mining district Chinatown mining district Horse...Red Bluff mining district Revenue mining district Ruby Mountains mining district Sheridan mining district...Resource Area. Figure 2. Mineral localities in Madison and Beaverhead Counties plotted by mining district...McDonough, 1989). A. Copper Mountain and Carter Creek deposits. B. Ruby (Johnny Gulch Iron) and Black Butte |  | | Journal (article/letter/editorial) | | PEGMATITES OF E. WM. MONTANA. • HEINRICH. CONTENTS. PAGE Abstract .......................................................................... Montana pegmatite................................................................................ Stone Creek pegmatite................................................. Horse Creek quartz-dioritepegmatites............................. Mica Creek peridotitepegmatite............................................ Gird Creek pegmatites..................................... |  | | Report (volume) | | 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER N. WINCHELL .......................................... Cherry Creek group......................................................................... . . Utopia (Birch Creek) district....................................................... 75 Outlying mines in Beaverhead County.................................. 76 Polaris district..................................... Bloody Dick Creek.. ..............................-.----- -- - - |  | | Journal (article/letter/editorial) | | edges of grains) indicated by symbol. Approximate range in a given sample indicated by spread of values...were analyzed (Table 8). Estimated temperatures range from 840-890"C from Wells' (1977) equation 5 and...transition (Ito and Kennedy, l97l). Outline indicates range of pressure-temperature estimates for Tula Mountains-Amundsen...nonideal behavior in garnet (cases I and 2), pressures range from about 6.5 to 9 kbar at 930"C, and 6 to 8 kbar...km. Corresponding thermal gradients lie in the range 3OoC/km to 44"C/km, with 37'Clkm the value based |  | | Report (issue) | | to mari.Iie conditions of deposition in central Montana during the Eagle and Judith River epochs, by C... Geologic exploration of the southcustom front range of trans-Pecos Texas: Texas Univ. Bull. 1753 pp...Mountain regions, although farther north, ·in· Montana, this activity appears, to have commenced at an...Oower Eocene) age, which is on Calaveras · Creek in Wilson County, Tex.; 355 miles west of the most westerly...Geon01nites are found in assemblages which indicate a range from humid wann temperate conditions (for example |  | | Report (volume) | | 6. Thickness--In meters at the type section; a range is given if known. 1. Texture, structure, distinctive...phyllitic and pyritic quartzite intervals 5. Gray 6. Range 1500-2100 m 9. Overlies Heflin Phyllite (Talladega...Cleburne County. Absaroka Supergroup/Volcanic Supergroup U ABRK03 1. Eocene 2. Wyoming (NW), Montana 3. Smedes...m 8. Washburn Group, Sunlight Group, Thorofare Creek Group g. Unconformably underlies Junction Butte...volcanic field, Yellowstone National Park, Park County, Wyo. Academy Church Shale Member (Springer Formation) |  | | Report (volume) | | Mayr, E., 2. Davis, M. J., 1. Boulder batholith, Montana: Knopf, Various species: Link, T. A., A., 9. 13...Hershey, H. G. , 2. scale: Spieker, E. M., 3. Iron-range rocks, origin: Tanton, Distribution in geologic...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica: |  | | Report (issue) | | through a wide range of scales, from millimeters to kilometers, respond to a wide range of processes,...have endeavored to compile examples from a broad range of environments and ages in order to provide participants...Shelf SEDIMENTARY HISTORY OF THE MOYVOUGHLY AREA, COUNTY WESTMEATH, IRELAND: EVIDENCE FOR SYNSEDIMENTARY...PERMIAN QUEEN FORMATION U.S.M. QUEEN FIELD, PECOS COUNTY, TEXAS . By K. E. Tucker and R. G. Chalcraft 9...Yates Field, on the Central Basin Platform in Pecos County, Texas. Later, Mear and Yarbrough (1961) described |  | | Report (volume) | | 74, Ph miles east of Dutchtown, Cape Girardeau County, Mo. Type section cut by northtrending fault with...stream in NEIA sec. 33, T. 16 N., R. 14 E, Wayne County. Named after village of Abington, about 3 miles...Wildman, Smith, and Darrah Farm sections. Abrahams Creek Member (of Pocono Formation) Mississippian: Central...body of calcareous sandstone designated Abrahams Creek Member. Achiote Conglomerate Achiote Member (of...Mountains, Humboldt County. Occupies belt about 21f2 miles long on western slope of range west of Adam Peak |  | | Report (issue) | | bria,n rocks _____________________________ _ Red Creek Quartzite (middle Precambrian) ___ _ Uinta Mountain...Boars Tusk _________ - ___________ _ In the Red Creek Quartzite _________ _ In the Uinta Mountain Group...----Structural similarit~es of the several Red Creek outcrop areas __________________ _ Younger structure..._ Red Canyon anticline ______________ _ Spring Creek nose ______ -- _____ -- __ _ Dutch John nose __________________..._____ ~----------Small thrust faults nea~ _Sheep Creek __ v Page 133 134 '134 134 135 135 136 136 137 |  | | Book | | Alkali Feldspar Group General Sanidine Orthoclase Microcline Anorthoclase Adularia Plagioclase Series General...general range for translucent minerals is n = 1.31-2.7, but most have refractive indices in the range 1.45-2...45-2.0. The minerals in the lower part of this range have various types of nonmetallic lusters; toward...combination of ideal properties throughout the index range of the common nonopaque minerals. Formerly, different...are listed in Tables 2.1 and 2.2 for the lower range of indices. ; GENERAL INFORMATION 6 TABLE |  | | Report (issue) | | financially in part by, the numerous Federal, State, County and City agencies listed on pages A133 to A136...Michigan.___________________ Iron deposits in Montana....____________ Iron deposits in Nevada_________________...___________________ Mineral deposits near Philipsburg, Montana. _______________________________ Copper-zinc deposits...deposits in Florida.___________ Phosphate nodules in Montana.___________ Potash deposits in the Carlsbad district...--------------Migration of uranium in the Hulett Creek area, Wyoming._---.-_--------------Mount Spokane |  | | Report (issue) | | ________________ Montana iron deposits.__-__________-_-Chromite deposits of the Stillwater complex, Montana-______________________...Manganese and zinc deposits near Philipsburg, Montana.______________________ Studies in Colorado. ____________________...Beryllium in the Mount Wheeler area, White Pine County, Nevada-__________ Beryllium in the Lake George...Coastal plain, Texas. ___________________ Front Range, Colorado,__-_-----____---_ Powderhorn district...Development of the Fredonia anticline in Wilson County, Kansas._________________________ 22 Austin chalk |  | | Report (volume) | | Underlies Church limestone member; overlies Bachelor Creek limestone member. M. R. Mudge, C. P. Walters, and...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Precambrian. Well exposed at many places along Aaron's Creek, Person and Granville Counties, N.C. Abbott Formation...Babylon sandstone, Manley coal, Tarter coal, Pope Creek coal, and Bernadotte sandstone. Report presents |  | | Report (issue) | | Wilderness study area, Montana, and Blue Joint Roadless Area, Idaho See Montana 17 Boulder-Pioneer Wilderness...Centennial Mountains Wilderness study area, Montana and Idaho See Montana 6 Hells Canyon Study Area, Oregon and...Italian Peak Middle Roadless Areas, Idaho and Montana 19 Mount Naomi Roadless Area, Utah and Idaho See...Scotchman Peak Wilderness study area, Montana and Idaho See Montana 3 Selkirk Roadless Area 5 Selway-Bitterroot...Selway-Bitterroot Wilderness, Idaho and Montana 9 Special Mining Management Zone Clear Creek 13 2 18 15 Ten Mile West |  | | Report (issue) | | Limestone, Shublik Mountains, Northeastern Brooks Range Robert B. Blodgett, David M. Rohr, Anita G. Harris...Flaxman Member of the Gubik Formation L. David Carter, Elisabeth M. Brouwers, and Louie Marincovich,...Coated-Grain-Bearing Carbonate Rocks of the Western Brooks Range Ju 1i e A. Dumoulin 31 Off-Platform Silurian Sequences...Endicott Mountains Allochthon, North-Central Brooks Range J.S. Kelley and Diedra Bohn 44 A Thermal Cross Section...Age Determination for the Limestone of the Lost Creek Unit, Livengood C-4 Quadrangle, East-Central Alaska |  | | Book | | interpretation of the Cretaceous section on Vermilion Creek, Moffat County, Colorado, by J. B. Reeside, Jr...........central port of the Great Divide Basin, Sweetwater County, Wyoming, by George N. Pip iring.os..............Geology of the Tabernacle Butte area, Sublette County, Wyoming, by Poul 0. McGrew and Jock E. Berman..... 135 Structure of the Rowlins Uplift, Carbon County, Wyoming, by Jomes A. Barlow, Jr ................geological report, Big Piney gos field, Sublette County, Wyoming, by Max L. Krueger................... |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, Director Bulletin 754 THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, JR. '...___________ Yukon River______ _________ Poorman Creek _____ Nowitna and Susulatna valleys ________ Heads...factors __________________________ Gold placers _ _ _ Ruby district _______________________________ History...of placers________________ Ruby Creek_____________________________ Long Creek and tributaries _______________...Creek_____________________________ Flint Creek and tributaries __________________ Poorman Creek and vicinity _ __ ____________ |  | | Report (issue) | | Director Bulletin 864-C MINERAL DEPOSITS OF THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, Jr. Mineral..._--__________-___ Ruby district._______-___-____--._-_--.-__---_--__._______ Ruby area.______-_____-...area____-______.__--_-___--__-_-___-_________ 145 Long Creek and Bear Gulch..____________________ Fifth of July...______________________ Greenstone Creek.._______._________._._-_._.___._ Monument Creek.______________________________...Meketchum Creek._______________________________ Trail Creek____.________________________ Flint Creek and tributaries |  | | Report (issue) | | drainage is entirely this into the The Carter creek-Tanner creek lake, Huckleberry empties the Canton...cross-cutting the Carter creek and Tanner distances flowing long creek Such else Beaver creek, of the...while the lower part of Boland belt of narrow creek, flows past it as Richville into the Oswegatchie... a valley, follows that the branch of Indian creek which wraps quadrangles furnishes From are below...over the largest quadrangle. Plate I Tanner creek phyritic granite north of Rock emerging into |
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