 | | Report (volume) | | Geology and Thorium Deposits of the Wet Mountains, Colorado A Progress Report GEOLOGICAL SURVEY BULLETIN...cooperation with the State of Colorado Geological Survey Board and Colorado Metal Mining Fund Board 1072-H... Geology and Thorium Deposits of the Wet Mountains, Colorado A Progress Report £y R. A. CHRISTMAN, M...cooperation with the State of Colorado Geological Survey Board and Colorado Metal Mining Fund Board UNITED...____________________________________________ Pyroxene-scapolite gneiss_______________________________ Granitic |  | | Report (issue) | | endorsement by the U.S. Government. 'Denver, Colorado 1995 CONTENTS Geoenvironmental models of mineral...and ore. In general, water tables are shallow in wet climates and deep in semi-arid climates. However...and higher metal contents in dry climates than in wet climates due to evaporative concentration of acid...environmental impact than a similar deposit in a wet climate setting because of the relatively small volume...processes can also operate in wet climate settings characterized by seasonal wet and dry periods. Relative |  | Day, Warren C., Slack, John F., Ayuso, Robert A., Seeger, Cheryl M. (2016) Regional Geologic and Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits of the Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1825-1858 doi:10.2113/econgeo.111.8.1825 | Journal (article/letter/editorial) | | Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA Warren C. Day,1,† John F. Slack...Denver Federal Center, Mail Stop 973, Lakewood, Colorado 80225 2 U.S. 3 Missouri Geological Survey, National...the St. Francois Mountains terrane of southeast Missouri, USA. The St. Francois Mountains terrane lies along...Previous studies have characterized the St. Francois Mountains terrane as a classic, A-type within-plate granitic...Introduction Igneous rocks of the St. Francois Mountains terrane, southeast Missouri (Fig. 1), are part |  | | Report (issue) | | Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian Basement in Colorado By OGDEN TWETO...TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1321-A...igneous rocks in outcrop and the buried basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE...1912-1983 Rock units of the Precambrian basement in Colorado. (Geological Survey Professional Paper ; 1321-A)...Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado. QE653.T9 1986 551.7'1'09788 I. Title. For sale |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | Liu, Lishuang, Liu, Fulai, Guo, Jinghui, Liu, Pinghua, Wang, Wei, Cai, Jia (2023) Geochronological and geochemical constraints on the non-ultrahigh-pressure metasedimentary blocks of North China affinity within the Sulu ultrahigh-pressure belt, eastern China, and tectonic implications. International Geology Review, 65 (7) 1127-1157 doi:10.1080/00206814.2021.1882889 | Journal (article/letter/editorial) | | epidote-biotite-plagioclase gneiss. (f,g) Photomicrographs of scapolite-diopside-tremolite marble. (h,i) Photomicrographs...muscovite; Pl, plagioclase; Qtz, quartz; Scp, scapolite; Sil, sillimanite; Tr, tremolite. vol.%). The...grains. Whereas, other primary minerals such as scapolite (5–10 vol.%), tremolite (8–15 vol.%) and diopside...K-feldspar (3–5 vol.%), calcite (<3 vol.%) and scapolite (<3 vol.%) (Figure 3(h,i)). Rocks of this type...e gneiss, epidote-biotiteplagioclase gneiss, scapolite-tremolite marble, diopsidetremolite marble and |  | | Book | | University of Southern California, Los Angeles, CA 90089, USA. P. JONATHAN PATCHETT Department of Geosciences,.... . . . . . . . . . . . . . . . . . . . .. Wet Mountains assemblage . . . . . . . . . . . . . . . . ...459 459 460 462 463 XI11 Contents Franklin Mountains assemblage . . . . . . . . . . . . . . . . . ...LREE enriched with negative Nb anomalies occur, and Wet Mountain (1720-1670 Ma) overlap assemblages, and...successions have been described from the Zhongtiao Mountains of east-central China (Dazhong e t al., 1990, |  | | Book (edition) | | their solution. E-W:h. Contents PREFACE eed Wet Boig Chapter Chapter Chapter Chapter Chapter Chapter...work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...Arkansas (Erickson and Blade, 1963), Iron Hill, Colorado (Olson and Wallace, 1956), Mountain Pass, California...(Heinrich and Levinson, 1961), and the Bearpaw Mountains, Montana (Pecora, 1962). In Canada examples include...core carbonatite is eccentric, as at Iron Hill, Colorado, or Songwe, Nyasaland. It is not to be assumed |  | | Report (issue) | | ............ 65 27. Map of the Front Range, Colorado, showing location of principal uranium deposits...prospects in the Sierra Madre and Medicine Bow Mountains occur roughly in the BIF trend; the Atlantic City...Territory, Saskatchewan, southwest Africa, and Colorado are suspected to have been rich in uranium, as...deposit. Lower Proterozoic sedimentary rocks of Colorado (Idaho Springs Formation) are locally rich in...and sodium-enriched meta-arkose and metamorphic scapolite that probably indicate former evaporite sediments |  | | Book | | 18 Rainbow Range 19 llgachuz Range 20 l tcha Mountains 2·1 Cariboo-Bell 22 Horsefly Creek 23 Takomkane...lumbia) Lying between the Rainbow Range and I tcha Mountains in the central Anahim Belt, the llgachuz Range...amidst Miocene and Quaternary plateau lavas. The mountains do not appear to have been studied in great detail...Columbia) 52 43 ' N ; 12 4 50 ' W ° ° The ltcha Mountains (or Range) are one of the ce n t res of the Anahim...further south in the U.S. (sec U.S. No. 96, Okanogan County). Economic /\ mine prod ucing gold, s i lver, lead |  | | Journal (article/letter/editorial) | | are composed mainly of calcite, dolomite and scapolite. The chemical composition and some of the important...derived from metamorphic rocks in the Wet Mountains region, Colorado, USA. Chem. Geol. 113, 327–343. Cullers...sediments near the Tobacco Root batholith, Montana, USA. Chem. Geol. 63, 275–297. Dissanayake, C.B., 1985...comparison of 271 ŽWashington and California, USA.. Chem. Geol. two melanges ´ 110, 269–297. Speer |  | | Journal (article/letter/editorial) | | are composed mainly of calcite, dolomite and scapolite. The study region of the Walawe Ganga Basin is...ilmenite, geikielite, Mg-rich spinel, Carich scapolite, Ca, Mg pyroxene (sake), Ca-rich garnet (grossular)...derived from metamorphic rocks in the Wet Mountains region, Colorado, USA. Chem. Geol., v. 113, pp. 327-343...sediments near the Tobacco Root batholith, Montana, USA. Chem. Geol., v. 63, pp. 275-297. Dalziel, I.W.D |  | | Report (issue) | | Geological Survey, 1950) Trinity Anemousite County, California. Contributions to Mineral¬ (discredited...1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition and Optics...Aluminocopiapite Utah NMNH K. J. Murata, Trinity County, California M. C. Bandy, 1938. Utah. J. M. Axelrod...Island Mountain, Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island Group (F...Mine, near Yucca Station, A&P Railroad, Mohave County, Ai'izona A Basic Copper Sulphate. United States |  | | Report (issue) | | metamorphosed hydrothermal system at Pine Canyon. Piute County, Utah. U.S.A. [abs.]: Mineralogical Society (London)...buried, Precambrian features underlying Franklin Mountains and Great Bear and Mackenzie Plains: Bulletin...mineralogy of the Cerrillos copper deposit, Santa Fe County, New Mexico: New Mexico Geological Society Guidebook...Tectonics of the Jemez lineament in the Jemez Mountains and Rio Grande rift: Journal of Geophysical Research...for the tectonic development of the southeastern Colorado Plateau boundary: Journal of Geophysical Research |  | | Report (issue) | | SEG Symposia, October 30 and 31, 1988, Denver, Colorado RICHARD W. HUTCHINSON AND RICHARD I, GRAUCH...HUTCHINSON Department of Geology, Colorado School of Mines, Golden, Colorado 80401 AND RICHARD I. GRAUCH...Mail Stop 973, Denver Federal Center, Denver, Colorado 80225 THE Geological Society of America celebrated...compressional tectonics, with the gen- in Denver, Colorado, October 1988. Desiring to rec- symposia were...pegmatoid pyroxenite of the Stillwater Complex, Montana, USA: Tschermaks Mineralog. Petrog. Mitt., v. 33, p. |  | | Book | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . . . . . . . . . . . . . . . . . . . . Colorado Plateau . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . Colorado . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | 2600 corridor, 18th and C Sts., NW. • DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. • LOS...ROLLA, Missourl--1400 Independence Rd. • DENVER, Colorado--Map Distribution, Bldg. 810, Federal Center •...evaluation of the Pea Ridge iron ore mine (Washington County, Missouri) for rare-earth element and precious...Butler Hill-Taum Sauk caldera area, St. Francois Mountains, southeast Missouri 22 10-13. Diagrams showing:...Breccias at the Olympic Dam mine, Tommy B. Thompson, Colorado State University 9:15 Origin of hematite breccias |  | | Report (issue) | | listed on pages A253A258. Numerous Federal, State, county, and municipal agencies listed on pages A205-A210...---34 Utah --------------------------------35 Colorado ----------------------------35 lCansas ------...and eastern plains __________ _ Northern Rocky Mountains and plains __________ _ Washington ----------...South Dakota __________________ _ Southern Rocky Mountains and plains __________ _ Geology of Precambrian..._ Quaternary geology ______________________ _ Colorado Plateau -----------------------------Geologic |  | Finch, John Wellington, Bateman, Alan M., Butler, B. S., Loughlin, G. F., McLaughlin, D. H., Singewald, J. T. Jr. - Eds. (1933) Ore Deposits of the Western States. The American Institute of Mining and Metallurgical Engineers, New York. | Book | | 1925. Ore deposils of the ,Jerome and Bradshaw Mountains quadrangles, Arizona. Survey Bull. 782, 1926....P r., vol. 92, p. 41, !006. Gold and silver; Colorado; ~ew Mexico; Soulh Dakota; Southern Appalachiu11...reconnaissance across the Bitterroot Range and Clearwater Mountains in Montana and ldabo. U. S. Geo!. Survey Prof... p. 224, The great fault of lhe Bitler Root Mountains (abst) . 100.i. PJlYSIOGRAPHY Two l'ieocene...stmcture, and igneous activity to ore deposition of Colorado and Southern Wyoming. W. S. B 01mANK AND T. S |  | | Report (issue) | | ...................... Characteristics of the Colorado-type (Climax-type) molybdenum deposits readily...... Stratabound Precambrian sulfide deposits, Colorado and southern Wyoming, by D. M. Sheridan and W...by A. V. Heyl U.S. Geological Survey, Denver, Colorado j Kimberlites are rocks of unusual alkalic ultramafic...found in folded and thrusted areas such as in Pike County, Arkansas. Locally they are found as clusters of...are common. For example, the kimberlite near the Colorado-Wyoming State line contain masses of Silurian |  | | Book (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | | Book (edition) | | Leucite, Sodalite Group, Cancrinite–Vishnevite, Scapolite Zeolite group Analcime, Natrolite, Phillipsite–...Fayalite, Gunflint Iron Formation, Minnesota-Ontario, USA (Floran, R.J. & Papike, J.J., 1978, J. Petrol., 19...zircon from coesite-bearing eclogites of the Dabie Mountains, east-central China: implications for the dating...altered gabbro, Hunting Hill quarry, Montgomery County, Maryland (Larrabee, D.M., 1969, Bull. US Geol...lavas and is sometimes found with diopside or scapolite resulting from pneumatolysis associated with granite |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...Ry 2 i wir Ue ws én Pid ab radp » an nal wet 41 Laka ly open OW nce 7 Saas) io an Beli |  | | Report (issue) | | _______________ Geologic history ________________ Rocky Mountains and the Great Plains_ _ Stratigraphic studies..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________..._________Council on Environmental Quality CFRUC ..Colorado Front Range Urban Corridor Project CGIS _____Canada...Rock Wilderness Area in the Blue Ridge Mountains of Haywood County, N.C., contains complexly folded, high-grade...studies in the Powderhorn Wilderness Study Area, Colorado R. A. Martin reported that magnetic flows of |  | | Report (volume) | | _______________ Geologic history ________________ Rocky Mountains and the Great Plains_ _ Stratigraphic studies..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________..._________Council on Environmental Quality CFRUC ..Colorado Front Range Urban Corridor Project CGIS _____Canada...Rock Wilderness Area in the Blue Ridge Mountains of Haywood County, N.C., contains complexly folded, high-grade...studies in the Powderhorn Wilderness Study Area, Colorado R. A. Martin reported that magnetic flows of |
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