 | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...deposit is interpreted as a single pulse variant of a Climax-type hydrothermal system. Evidence for this includes...age of the end stages of mineralization of the Climax molybdenum deposit approximately 7.5 km to the | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...deposit is interpreted as a single pulse variant of a Climax-type hydrothermal system. Evidence for this includes...age of the end stages of mineralization of the Climax molybdenum deposit approximately 7.5 km to the |  | | Report (issue) | | Mendenhall, Director Bulletin 846 C THE CLIMAX MOLYBDENUM DEPOSIT COLORADO BY B. S. BUTLER and J. W. VANDERWILT...____-___-___--______--________ Previous geologic work in the district..______________________________ Page 195 196...map and sections of Climax molybdenum district. In pocket 24. A, Climax district in winter; B, Panorama...Panorama of a part of Mosquito Range including Climax district.._.______-__-___ 198 25. Recrystallized sc...--------206 26. Secondary orthoclase._____---______-_--_-_______-__-_-_222 27. A, Orthoclase replacing muscovite; |  | | Journal (article/letter/editorial) | | 1988; Carten et al., 1988a, 1993). At Henderson, Colorado, differences in the intensity of mineralization...addressed for the Goat Hill orebody of the Questa mine, New Mexico. † Corresponding author: email, p_s_ross@hotmail...Regional Geology The Questa mine is located in north-central New Mexico, USA, in the Taos Range of the...the Sangre de Cristo Mountains. In the mine vicinity, the Tertiary Latir volcanic field overlies a Proterozoic...foliation Stream Fault, dashed where inferred Mine shaft Contact, dashed where inferred Sulfur Gulch |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Riemvasmaak South Africa 2008 Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels...on collecting minerals in Colorado by Pete Modreski, the informative Colorado petrified wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...days of Colorado’s gold, silver, and base metal mining are past, and those who want specimens must look |  | | Journal (article/letter/editorial) | | example; the quartz veinsof the Bonanzadistrict, Colorado,describedby Burbank• as of moderatesulphidecontentand...him; and the ferberite4 depositsof BoulderCounty,Colorado,may belongto this class. Depositsof dolomiticzinc-leadtype...dolomiticzinc-leadtype in the Weston Pass district, Colorado, interpretedas formed at low temperaturesbut at a...: Geology and Ore Deposits of the Bonanza Mining District, U.S. Geol. Survey, Prof. Paper x69, p. 86...H. Jr.: Zoning of Ore Deposits, Leadville District, Colorado. Ecoa;. Gzo•.., vol. 29, pp. 239-240, x934 |  | | Journal (issue) | | of float copper was found in southern Houghton County and the larger mass was recovered a few miles west...Molybdenite Climax Mine, Lake County, Colorado Bob Werner werner@lcturbonet.com The Climax Mine, located...located in Lake County, Colorado (Fig. I), is perhaps the world's largest deposit of molybdenum (Mo) metal...as "molybedamnite" or "molybedumdumite". The Climax Mine has operated on and off for over I 00 years and...expectation would be in vain. Specimens from the Climax Mine typically put real meaning to the term "aesthetically |  | | Report (volume) | | the papers for advance publication] 4 (A) Some mining districts of eastern Oregon, by James Gilluly,...Takilma-Waldo district, Oreg., including the Blue Creek district, by Philip J. Shenon(C) The Climax molybdenum...molybdenum deposit, Colorado, by B. S. Butler and J. W. Vanderwilt, with a section on history, production, metallurgy...4 Page PLATE 1. Index map showing location of mining districts in eastern Oregon_ 8 2. Topographic and...and geologic map of the Marmon Basin mining •32 district, Baker and Malheur Counties, Oreg3. Geologic |  | | Journal (article/letter/editorial) | | increasedproductionfrom porphyry-typedeposits. The Climax minealonehas contributedapproximatelyhalf the total...has resulted in developmentof five minesof the Climax-typein the last half decade,and at least one similar...associatedsiliceousintrusives. With the exceptionof the Climax depositwhere tin, tungstenand pyrite are recovered...(eastern) Oregon-Idaho-(western) Montana, (4) Colorado-NewMexico, (5) Nevada-southern California,and...locatedin the southernRockyMountains(Urad-Henderson,Climax and Questa) and in the Interior Belt of BritishColumbia(Alice |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine----------...Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------ |  | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Journal (article/letter/editorial) | | thispaper:Ab -- normativealbite,Or = normative orthoclase, Q: normativequartz,A ----molecularAlzOa-molecular...asgranodiorite molybdenitesystems The sourceplutonsfor Climax, Henderson-Urad, and granitemolybdenitesystems--also...tectonicsettingat the time and Mount Emmons-Redwell Basin, Colorado, are of formation,orebodygeometry,and trace element...quartz monzonite 4, Climax, Colorado;Climax stock--graniteporphyry 5, Henderson, Colorado;Hendersongranite--graniteporphyry...e--graniteporphyry 6, Mount Emmons,Colorado;Keystonestock--graniteporphyry 7, Questa,New Mexico;Ques |  | | Report (volume) | | of the Leadville 1°X2° quadrangle, west-central Colorado : summary and discussion I by Alan R. Wallace...Radioactive dating-Colorado-Leadville Region. 2. Geology, Stratigraphic. 3. Geology-Colorado-Leadville Region...Appendix E. Geochronologic data listed by mining district .. ........... ............. .......... .....geochronology samples, Leadville 1°X2 o quadrangle, Colorado. III IV CONTENTS FIGURES 1. 2. 3. 4. 5. 6...of the Leadville 1°X2° quadrangle, west-central Colorado........................ 2 Map showing major geologic |  | | Report (volume) | | Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado COLORADO • Mineral Resources of the Holy...Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado By ALAN R. WALLACE, GREGORY K. LEE, and...Cross Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado by Alan R. Wallace ... [et al.]. p. cm...no.: I 19.3:1879 1. Mines and mineral resources-Colorado-Holy Cross Wilderness. 2. Holy Cross Wilderness...Isabel National Forests, Eagle, Pitkin, and Lake Counties, Colorado. This area was established as a wilderness |  | | 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...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Report (issue) | | is either the major product (as at Climax and Henderson, Colorado, and Questa, New Mexico), or is a co-...XVT XVA XWA XWI XWY ALASKA ARIZONA CALIFORNIA COLORADO GEORGIA IDAHO MAINE MISSOURI MONTANA NEVADA NEW...Steininger, R. C., 1981, Character and origin of Climax-type molybdenum deposits: Economic Geology, 75th...of the Pine Grove-B la*n Mountain area. Beaver County, Utah: U. S. Geological Survey Open-File Report...wah wah Mountains, Beaver County, Utah (abstract): American Institute of Mining, Metallurgical and Petroleum |  | | Report (issue) | | _--__._-____.....__...____._.___.__..___ Mineral Mining Co__________________________________________ Missouri...Gold Hill mine; B, Rhyolite porphyry, Gold Hill mine; C, Granite porphyry, Belshazzar mine. ._ __ _ 250...______________ 250 43. Composite level map of the Gold Hill mine.______________ In pocket 44. Geologic maps of the...the 250, 400, and 700 levels, Gold Hill mine In pocket in IV CONTENTS Page PLATE 45. Diagrammatic...through the Gold Hill mine In pocket 46. Photomicrographs of ore from the Gold Hill mine, showing relations |  | | Report (volume) | | --------------------------- Rowley or Reliance mine, by J. A. ~acKallor_____________ PimaCountY----...claims_______________________________________ Pinal County _________________________ ------- ______ -----__...-----__ Santa Cruz CountY---------------------------------------Santo Ni:iio mine, by D. H. Kupfer__...____ Yavapai CountY----------------------------------------------Copper Basin district _______ ------...--------------__ Commercial mine ______ ------------------------------__ Copper Hill mine __________ -------- |  | | Journal (article/letter/editorial) | | soimportantin, for example,the evolutionof the Climax and Urad-HendersonMo systems.The earliestquartz-molybdoscheelite...well-definedW and Mo ore shells, suchasthoseat Climax,Henderson,andMt. Emmons,did not developat Logtung...PorphyryMo 0.156 Henderson, PorphyryMo Deposit Colorado (1) Questa,New Mexico (1) 849 104 Urad 0...hydrothermal alteration phasescontainplagioclase, quartz,orthoclase per- and geochemistryof the felsic dikes are...Quartz, garnet, diopside, molybdoscheelite,pyrite orthoclase Quartz-pyrite-scheelite Quartz-molybdenite |  | | Journal (article/letter/editorial) | | the United States Geological Survey and the Colorado Mining Association. This paper as first prepared...agreementamong geologists--for example,the formation of orthoclase (adularia, valencianite). In his earlier paper...Lindgren states: "As a product of thermal alteration orthoclase doesnot commonlyappearand hasnot commonlybeen...a later work,8 the sameauthor doesnot mention orthoclase as a mineral of hypothermal deposits. ,Adularia...wouldcovermostprimary ore deposits. Parker* regardsvein orthoclase as amongthe first minerals form in the Alpine |  | | Report (issue) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING Sc TECHNOLOGY............................................... 7 Mining .......................................................................... Petaca mining district, Rio Arriba County ...................................25 25 25 Page Other occurrences, Rio Arriba County ............................................................................... 26 Bromide mining district .......................................... |  | | Report (issue) | | Geology of the Questa Molybdenum (Moly) Mine Area, Taos County, New Mexico BY JOHN H. SCHILLING Local...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY...and Mine ................................................................................8 Mining Methods............................. 42 Questa Molybdenum Mine Deposit ....................................................................................57 Orthoclase ............................................ |  | | Journal (article/letter/editorial) | | MICROSCOPIC INVESTIGATION OF MOLYBDENITE ORE FROM CLIMAX, COLORADO Llovn W. Sraprrs ann Cnanr,ns W. Coor, University...of economic value are very few; the one at Climax, Colorado, being the largest known deposit. A microscopic...deposit. Loc,q.rroNaNo DBvrr,opMENT The camp of the Climax Molybdenum Company is located on the top of the...fifteen miles northeast of Leadville. The town of climax has an altitude of 11,300 feet, and the present...that the principal outcrop of the ore occurs. The Climax region was first prospected becauseof the discovery |  | | Journal (article/letter/editorial) | | thousands of fine specimens during their years of mining and related scientific study, making acquisition...trace amounts. Cassiterite pseudomorphs after orthoclase, hematite, bismuthinite, and other unidentified...Historically, there have been numerous attempts to mine cassiterite within the United States, each ultimately...the Martin prospect and Bennett quarry in Oxford County. Good crystals up to 25 mm have been found with...bismuth locality known as Lane’s mine near the old Trumbull tungsten mine and in crystals up to 1 cm at |  | | Report (issue) | | Center, Denver, Colorado 80225 SUMMARY OF THE GEOLOGY AND PHYSICAL PROPERTIES OF THE CLIMAX STOCK, NEVADA... CONTENTS Page Abstract Introduction 1 : - - , Climax stock " *-. '" General statementGrattodiorlte ~~...Faults >;-1, --^; /Joints : ; Drill holes in the Climax stock Pile Driver tunnel complex General statement...Figure 1. : ' 2a< 2b* Index nap showing location of Climax stock in Area 15, Nevada Test , site ' Geologic...Table 1. Average modal analyses for rocks of the Climax stock 2. Average chemical composition in weight |
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