 | | Journal (article/letter/editorial) | | ites fromthe Wet MountainsArea, Fremont and Custer Counties,Colorado TnEOr)ORE J. ARMBRUSTMACHER Abstract...Carbonatites associated with alkalic rocks of the McClure Mountain and Gem Park Complexes, andthecomplex at...(1.45 b.y.) (Taylor et al., 1975a,b) (Fig. Park Complex(Parker and Sharp, 1970) outlined 1). variousdetailsof...the McClure Mountain dikeswere mappedwithin the Iron Mountainmafic- Complex,the Gem Park Complex,and...and the complex ultramaficportion of the McClure Mountain Com- at Democrat Creek. The mafic-ultramaficparts |  | | Report (issue) | | Washington Zinc ore, Friedensville, Pa. Banded iron-formation. Palmer, Mich. 6. Ribbon asbestos ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Elements in the Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY...elements in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium...16:1049-F 1. Thorium ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region. 3 |  | | Journal (article/letter/editorial) | | ALKALIC ROCKS OF THE ARKANSAS RIVER AREA, FREMONT COUNTY, COLORADO. 2. FETID GAS FROM CARBONATITE AND RELATED...Michigan. Assrnecr The Goldie carbonatite of Fremont County, Colorado, and its associated rocks contain a fetid...around the Iron Hill alkalic-carbonatitic complex in Gunnison County, Colorado These Colorado occurrences...igneousprovince west and southwestof Canon City, Colorado,have been describedby Heinrich and Dahlem (1965)...1963)lies in the dike halo of the McClure Mountain-Iron Mountain complex, the largest of the three alkalic |  | | Book (edition) | | Carbonatites are now the major sources of RE elements (Mountain Pass, California) and of Nb (Oka, Quebec and Araxa...detailed geological survey of the Alné Island complex and announced his results in a series of papers...most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his...never accepted the idea of an igneous origin for the Iron Hill carbonatite. In 1924 Bowen, who had visited...fairly pure calcite (Garson and Smith, 1958). The complex was first studied by F. Dixey, and it was he who |  | | Report (issue) | | pipes in the Bokan Mountain district of Alaska, carbonatite dikes, and apatite-bearing iron deposits in the................. . Veins and Pipes in the Bokan Mountain District, Alaska ...................................... . Powderhorn District, Colorado ................. . Mountain Pass, California .................Area, Colorado ................ . Bearpaw Mountains, Montana ................. . Ravalli County, Montan81-...Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur Springs, Ar· kansas ..................... |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Book | | Lengai natrocarbonatite volcano and the Ilimaussaq complex, but comparative studies on alkaline rocks have...other hand many occurrences are so extensive and complex that the descriptions will only be adequate to...2·1 Cariboo-Bell 22 Horsefly Creek 23 Takomkane Mountain area 2 4 B l u e River area 25 Verity 26 Rayfield...29 Perry R i ver 30 Mount Copeland 31 Trident Mountain 32 K i n basket Lake 33 Mount Laussedat 34 Mount...64 65 66 67 68 69 70 71 72 73 74 75 76 Kruger Mountain Rossland dyke Crowsnest volca nics Sweet G rass |  | Ripp, G. S., Khodyreva, E. V., Izbrodin, I. A., Rampilov, M. O., Lastochkin, E. I., Posokhov, V. F. (2017) Genetic nature of apatite–magnetite ore in North Gurvunur deposit, western Transbaikal region. Geology of Ore Deposits, 59 (5) 407-420 doi:10.1134/s1075701517050051 | Journal (article/letter/editorial) | | (Rudnye mestorozhdeniya …, 1974), a monograph on iron deposits. Only later were the Markakul and Kholzun...Transbaikalia is referred to regions with widespread iron mineralization. Magnetite and hema- tite–magnetite...massive ore containing 57.6 to 61.9 wt % of total iron, 0.3–1.85 wt % P2O5, and 0.5–1.28 wt % sulfur. Massive...15–20% of barren andesite tuff and contain 20–29% iron. The brecciated and stringer ores occupy 22% of...monazite and rare xenotime (Fig. 3d). The occurrence of iron (up to 0.5–1.0 wt % FeO) as finely sputtered hematite |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...association of radium, uranium. and vanadIum on the Colorado Plateau sparked several periods of exploratIon |  | | Report (issue) | | schematic cross section through a carbonatite complex - - - - - - - -- --- - Map showing location and...and corrosion resistance, is combined with cobalt, iron, and nickel to produce refractory superalloys. Smaller...less than 1 percent of alloying elements other than iron and manganese. There is widespread and increasing...as a niobate (but rarely, or never, columbate) of iron or manganese. 4 40 c: 0 ·u ::J- .,en 30 0...work for a laboratoryscale pilot plant to process complex ore from the Brockman rare-earth-element deposit |  | | Report (issue) | | Washington Zinc ore, Friedensville, Pa. Banded iron-formation. Palmer, Mich. 6. Ribbon asbestos ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Elements in the Powderhorn District, Gunnison County, Colorado By JERRY C. OLSON and DAVID C. HEDLUND GEOLOGY...elements in the Powderhorn district, Gunnison County, Colorado. (Geology and resources of thorium in the...rocks. 2. Intrusions (Geology)—Colorado—Gunnison Co. 3. Thorium ores—Colorado—Gunnison Co. I. Hedlund, David |  | | Book (volume) | | 'lNFORMATION AS TO· THE PRESENT . . ' AND PROSPECTIVE IRON-ORE''·,: SUPPLIES •- . .. OF THE WORLD.) ... ' •...RESOURCES BUREAU. IRON ORE . • (SUMMARY OF INFORMATION AS TO THE PRESENT AND PROSPECTIVE IRON-ORE SUPPLIES...Falkland Islands, including South Georgia, even should iron or"e be discovered it is not probable that 1t oould...vested in the Federa,l Gove1·nment~ 11 The chief iron minerals fot1nd in the Dominion are: magnetite ...limonite (including bog ore) and siderite (incl11ding ankerite). * Rpecial Report to the Imperial Mineral Resoutcea |  | Franklin, Jess, Tyrrell, Shane, O'Sullivan, Gary, Nauton‐Fourteu, Martin, Raine, Rob (2020) Provenance of Triassic sandstones in the basins of Northern Ireland—Implications for NW European Triassic palaeodrainage. Geological Journal, 55 (7). 5432-5450 doi:10.1002/gj.3697 | Journal (article/letter/editorial) | | Basin; RT, Rockall Trough; NAG, Nagsuggtoqidian Complex; FSB, Faeroe‐ Shetland Basin; HB, Hatton Bank;...Sea Basin; SB, Slyne Basin; AGC, Annagh Gneiss Complex; DG, Donegal Granites; GG, Galway Granites, PH...EB, Erris Basin; STB, Stanton Banks; RC, Rhinns Complex; HP, Hebridian Platform; GH, Grampian High; SP...recorded up to thought to extend from offshore County Donegal, Ireland, to the 30‐m thick on the Dalradian...events (Cawood, identified the Nagssugtoqidian Complex or equivalents and the Nemchin, Strachan, Kinny |  | | 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...lower divisions of the Pocono at Jim Thorpe, Bear Mountain Member and Silkmill Run Member, respectively....Named for Adam Peak in Osgood Mountains, Humboldt County. Occupies belt about 21f2 miles long on western...Portlandian) age. Mapped around Adobe Flat in Stanislaus County. Well exposed west of Wilcox Ridge in sec. 23, |  | | Report (issue) | | ________________________nanogram NLCR ___________nonlinear complex resistivity nm _______________________nanometer...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...Geophysical studies in the Never Summer Wilderness Area, Colorado The geophysical data (gravity and magnetics)...studies in the Sierra Ancha Wilderness Area, Gila County, Arizona Preliminary gravity results show several...Sierra Ancha Wilderness Area and vicinity, Gila County, Arizona Plutonic rocks of the Ten Mile Creek |  | | Report (volume) | | ________________________nanogram NLCR ___________nonlinear complex resistivity nm _______________________nanometer...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...Geophysical studies in the Never Summer Wilderness Area, Colorado The geophysical data (gravity and magnetics)...studies in the Sierra Ancha Wilderness Area, Gila County, Arizona Preliminary gravity results show several...Sierra Ancha Wilderness Area and vicinity, Gila County, Arizona Plutonic rocks of the Ten Mile Creek |  | | Report (issue) | | upper part of the Hanson Creek Formation in Eureka County, Mullens and F. G. Poole . . . . . . . . . . ....distribution in a granite stock near Bull Canyon, Lemhi County, Idaho, by M. H. Staatz, C. M. Bunker, and C. A...Thomas, Keg, and Desert calderas, central Juab County, Utah, by D. R. Shawe 43 51 57 67 Petrology and...reconstituted rocks of Mule Ear diatreme, San Juan County, Utah, by R. A. Cadigan and D. E. Stuart-Alexander...spectrophotometric determination of titanium, total iron, niobium, phosphorus, and vanadium, by Robert Meyrowitz |  | | Book | | Inc. (SME) 8307 Shaffer Parkway Littleton, CO, USA 80127 (303) 973-9550/(800) 763-3132 www.smenet.org...Sloan 2 kimberlite, Colorado 97 6.7 High wall at Kelsey Lake mine in Colorado with kimberlite breccia...through the center of the Crater of Diamonds vent complex, Prairie Creek, Arkansas 134 7.4 Geological sketch...trench 291 15.7 Aerial views. Sloan 5 kimberlite, Colorado, showing distinct circular depression. Closer...curiosity related to diamonds has resulted in a mountain of publications during the past two to three decades |  | | Report (issue) | | Alaska--4230 University Dr., Rm. 101 • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg...Paris, France, August 26-31, 1974 Snowmass, Colorado, USA, August 20-25, 1978 Nikko, Japan, June 27-July...and Electric Company Western Mining Corporation (USA) VMI, Inc. iv ICOG-8 Organizing Committee Gamiss...PROVENANCES OF HOLOCENE SAND DUNES, NORTHEASTERN COLORADO AND THE NEBRASKA SAND HILLS ALEINIKOFF John N...Survey, Box 25046, DFC, MS 963, Denver, CO, 80225, USA P. Agrinier, M. Javoy (Lab. G&>chimie Isotopes Stables |  | | Journal (volume) | | — Great Britain. Walcot Gibson (Arnold) Coal, Iron and War. Edwin C. Eckel (Henry Holt Concentration...L. Fraser 619 . . . Mines in U. S. Mines in Iron Mines A. A. A. Sc. 902 739 — Ed 995 — 924...Ferro-arium, Liberty Brand Feldspar in Frontenac County, to Grind Ni Ni Fisk. Harold B Filming the Mining... J-... i: 1 1 Investment vs. Speculation. Kd Iron. Pig. and Ferro-alloys, Production \ — Ed Ed...price and profit. problems in respect to supplies of iron and petroleum and distribution of coal, the great |
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