 | LeAnderson, P. James, Schrader, E.L., Brake, Sandy, Kaback, Dawn S. (1987) Behavior of molybdenum during weathering of the Ceresco Ridge porphyry molybdenite deposit, Climax, Colorado and a comparison with the Hollister deposit, North Carolina. Applied Geochemistry, 2 (4) 399-415 doi:10.1016/0883-2927(87)90024-2 | Journal (article/letter/editorial) |
| Journals Ltd. Printed in Great Britain Behavior of molybdenum during weathering of the Ceresco Ridge porphyry...within the field of ferrimolybdite (Fe2(MoO4) 3•H20 ). The precipitation of ferrimolybdite traps most of the...pH can remain above the stability field of ferrimolybdite and Mo is then free to migrate: (1) where alkaline...Mo in the form of molybdenite, jordisite or ferrimolybdite at the water table. There was little or no...observed prior to mining of the ridge, was ferrimolybdite --) jarosite --, goethite _+ Mn oxides. It |
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| 1965 SOLUBILITIES OF NATURAL AND SYNTHETIC FERRIMOLYBDITE PBrBn G. SararraN eun Wlr. J. Funnrsn,Duke...The uncompleted solubility curve for natural ferrimolybdite by Vinogradov (1957) was completed with good...good correlation for both natural ferrimolybdite and a synthetic product with identical r-ray difiraction...pattern. An area of lowest solubility for natural ferrimolybdite was established at approrimately 3.35 pH. This...solubility point was complicated by a possible iron-molybdenum complexing. In the low pH range, both natural |
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| JANUARY-FEBRUARY, 1963 AND SYNTHESIS OF FERRIMOLYBDITE Plur F. Konn, Anrnun W. Tnouas .qNnAnrnun...frequently found on sulfide ores of molybdenum and described as ferrimolybdite has been studied New data are...the artificial product compared with natural ferrimolybdite. INrnooucrtoN It has long been recognizedthat...oxidation producesa yellow coating on sulfide ores of molybdenum and early specimensin a number of collections...ordinarily observedis ferrimolybdite. Recently, through the courtesy of the Climax Molybdenum Company a suite |
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| 1980 Prmted an Crrai Brtta~n Geochemistry of molybdenum in some stream sediments and waters DAWN S...Tenmile Creek is undersaturated with respect 10 ferrimolybdite. molybdenite. powellite. and ilsemannite. The...of MO in waters and sediments downstream from the mine at Climax, Colorado; (ii) determination of the form...rivers downstream derives from the mine and mill at Climax. OF MOLYBDENUM Introduction The ore deposit...sedlmcnts extend at least 80 km below Climax. Molybdenum anomalies of up to 50 /lg g Mo in the and |
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| reported in the past only at the Tinctic Standard mine at Dividend, Utah. A recent (1973) re port by Alexander...Copper Corporation. This test, to distinguish ferrimolybdite in the presence of jarosite and/or goethite...Kennecort. The test causes ferrimolybdite—a sec ondary mineral containing molybdenum and useful as a clue...clue to primary deposits ROCKS AND MINERALS of molybdenum (as molybdenite)—to turn back instantly when stannous...Expecting ferrimolybdite in the area— owing to the nearness of the world's lar gest molybdenum mine at Climax-—I |
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| APPLICATION OF HYDROCHEMICAL SURVEY TO COPPER AND MOLYBDENUM DEPOSITS IN THE ARMENIAN S.S.R. N. I. Dolukhanova...APPLICATION OF HYDROCHEMICAL SURVEY TO COPPER AND MOLYBDENUM DEPOSITS IN THE ARMENIAN S.S.R., International...APPLICATION OF HYDROCHEMICAL SURVEY TO COPPER AND MOLYBDENUM DEPOSITS IN THE ARMENIAN S.S.R.' by N. 1. Dolukhanova...of Florida] at 14:25 09 June 2016 Molybdenum and copper-molybdenum ore concentrations may be detected...technique. A general chemical description of molybdenum, the various mineral forms in which it occurs |
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| Geochemistry, Mineralogy and Microbiology of Molybdenum in Mining-Affected Environments Francesca Frascoli...January 2018; Published: 25 January 2018 Abstract: Molybdenum is an essential element for life, with growing...contamination in surrounding areas. In mine wastes, molybdenum is liberated from sulfide mineral oxidation...Mo-metabolising bacteria have been isolated from mine wastes. However, laboratory and in-situ experiments...may be involved in the cycling of Mo in and from mine wastes, with good potential for bioremediation. |
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| FERRIMOLYBDITE AND SOME ASSOCIATED SECONDARY MINERAL SPECIES By W M . J. FURBISH Duke University, Durham...Durham, N.C. Ferrimolybdite, limonite, jarosite and elemental sulphur occur as associated mineral species...in the weathered zone of the Boy Scout-Jones molybdenum prospect in Halifax County, North Carolina. The...Investigations No. 4156, (1947). The Boy Scout-Jones molybdenum deposit is located approximately five miles east...of the highest elevation on "The Mountain,' ferrimolybdite with some limonite and jarosite occurs in a |
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| reported in the past only at the Tinctic Standard mine at Dividend, Utah. A recent (1973) re port by Alexander...Copper Corporation. This test, to distinguish ferrimolybdite in the presence of jarosite and/or goethite...Kennecort. The test causes ferrimolybdite—a sec ondary mineral containing molybdenum and useful as a clue...clue to primary deposits ROCKS AND MINERALS of molybdenum (as molybdenite)—to turn back instantly when stannous...Expecting ferrimolybdite in the area— owing to the nearness of the world's lar gest molybdenum mine at Climax-—I |
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| BULLETIN 76 Molybdenum Resources of New Mexico by JOHN H. SCHILLING 1965 STATE BUREAU OF MINES AND................................. 11 GEOLOGY OF MOLYBDENUM ........................................................................................... Molybdenum minerals ......................................................................... Porphyry-molybdenum deposits ......................................18 19 20 20 21 22 22 22 23 23 24 NEW MEXICO MOLYBDENUM OCCURRENCES .............................. Petaca |
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| • Fe3+ 2 (MoO4 )3 8H2 O(?) Ferrimolybdite c 2001-2005 Mineral Data Publishing, version 1 Crystal Data:...portions of hydrothermal vein and porphyry-type molybdenum-bearing deposits. Association: Molybdenite,...amounts. Studied material from the Alekseevskii mine, Khakassia district, Siberia, Russia. At Vielsalm...Vielsalm, Belgium. In the USA, abundant in the Climax mine, Lake Co., Colorado; in Sulfur Gulch, Questa, Taos... Langer (1963) The nature and synthesis of ferrimolybdite. Amer. Mineral., 48, 14–32. (3) Huang, D., |
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| Investigations of Molybdenum Deposits in the Conterminous United States 1942-60 By HAROLD KIRKEMO, C...--------------------------- Rowley or Reliance mine, by J. A. ~acKallor_____________ PimaCountY----...CountY---------------------------------------Santo Ni:iio mine, by D. H. Kupfer______________________ Yavapai ...--------------__ Commercial mine ______ ------------------------------__ Copper Hill mine __________ --------...---------------------------Lorna Prieta mine __ ------------ ___ -------------------Squaw Peak mine_________ |
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| features of the Sar-Cheshmeh porphyry copper-molybdenum deposit, Kerman, Iran J. Shahabpour Department...mineral features and the control of secondary molybdenum enrichment have now been recognized at the Sar-Cheshmeh...walls in the cementing materials. The amount of molybdenum within the leached capping of the Sar-Cheshmeh... Abundant pyrite has caused the retention of molybdenum within the leached capping of the pyritic halo...leached zone of the pyrite-poor stock, where molybdenum is partially mobile. The Sar-Cheshmeh porphyry |
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| data and X-ray powder-diffraction data for ferrimolybdite, Fe2(MoO4)36.8(H2O) Ernst Horn Inorganic Analysis...data were collected for a Chinese sample of ferrimolybdite. This mineral is orthorhombic, space group...901(8), and V=3074(l) A3. I. INTRODUCTION Ferrimolybdite, Fe2(MoO4)3n(H2O), has been investigated since...widespread oxidation product of molybdenum-bearing sulfide ores. Ferrimolybdite has been located and studied...naturally occurring samples and a synthetic ferrimolybdite are available in the PDF. However, the lattice |
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| Anthropole, UNIL Dorigny, CH-1015 Lausanne, Switzerland a r t i c l e i n f o Article history: Received...Sulfide oxidation a b s t r a c t Prevention of acid mine drainage (AMD) in sulfide-containing tailings requires...1994; Jambor et al., 2003). The kinetics of acid mine drainage (AMD) formation depends on water flux, oxygen...1999; Gould and Kapoor, 2003). At the surface of mine waste, evaporation commonly concentrates mobile...Hammarstrom et al., 2005; Smuda et al., 2007). Within mine waste, J. Smuda et al. / Chemical Geology 256 |
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| Wilson D. Michell 99 Geology of the Ropes Gold Mine, Marquette County, Michigan.......... T. M. Broderick...MICHELL. ABSTRACT. ca ca RE LN ~OY CH The Hall Molybdenum deposit near Tonopah, Nevada, has been developed...alaskite stock. Molybdenite, its oxidation product ferrimolybdite, pyrite, chalcopyrite, and limonitic ocher...the oxide zone 30 to 40 per cent of the total molybdenum is in the form of sulphide, whereas in the sulphide...metal from the oxide. INTRODUCTION. Tue Hall Molybdenum Property is located in the Liberty Mining District |
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| Rhenium is not incorporated into supergene ferrimolybdite, but is enriched in K-Al-silicate intergrowths...seconds with 10 seconds background counting. Molybdenum was analyzed on a PET crystal using the La line...mineralization ( CREASEY and KISTLER, 1962 ) . At the Ajo mine, the 63 Ma mineralizing stock was intruded by a...mapping and analysis of 2H molybdenite with a ferrimolybdite and illite rim show that the fenimolybdite...from weathering. Gravelotte, South Africa Morenci Mine, AZ %BR*wt %Re IR FOG.7. (a) Schematic cross-section |
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| August 2017 Smith Mine, Newport, New Hampshire. Calcite occurs elsewhere at the Harding Mine, New Mexico....pseudomorphs after hurlbutite crystals at the Smith Mine, Newport, New Hampshire. RHODOCHROSITE, manganese...carbonate occurs in compact masses at the Stewart mine at Pala, California. A mass of intergrown beyerite...hundred pounds. It is also common in the Harding mine pegmatite of Taos County, New Mexico. From a number...McKinney mine near Little Switzerland, North Carolina. It has also been found at the Etta mine near Keystone |
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| BULLETIN 51 Geology of the Questa Molybdenum (Moly) Mine Area, Taos County, New Mexico BY JOHN H. SCHILLING...............................6 Surface Plant and Mine ................................................................................. 42 Questa Molybdenum Mine Deposit ............................................................................ 56 Ferrimolybdite ......................................................................75 Page Questa Molybdenum Mine .......................................... |
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| with bismuthinite, bismoclite, molybdenite, ferrimolybdite, koechlinite, wulfenite, and the new mineral...No. 19350. Geological outline The presence of molybdenum mineralizations in Sardinia is known since the...ore deposits resulted in a number of notes on molybdenum mineralizations (Dessau 1956; Venerandi 1968)... All the above studies agree in relating the molybdenum mineralizations of Sardinia to leucogranitic...products, chlorite and clay minerals. The only molybdenum-bearing mineral in the above mineralizations |
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| Nevis ville, Union County, Georgia. It has been mine on San Augustin Peak, Organ mounmined from a pegmatite...chalcocite of mine near Penland and the McKinney secondary origin in the School Section mine near Little...Little Switzerland, North Caropegmatite of the Eight Mile Park area lina. As a secondary mineral it was found...No. 2 mine and the McKinney mine in Connecticut. At the latter locality it near Little Switzerland, North...the Morefield mine near Winterham, Virginia; at Orange, New Hampshire; and the McKinney Mine near Little |
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| During the study of the zone of oxidation of a molybdenum deposit, we found a new mineral, which in chemical...and Senderova (1961) as a salt of an arsenic molybdenum heteropoly-acid, CaFe2H4(As2Mo5026) -12H20. The...mineral, like betpakdalite, is a salt of an arsenic-molybdenum heteropolyacid, but differs from betpakdalite...single crystallochemical group of complex salts of molybdenum heteropoly-acids and consequently can be compared...betpakdalite occurs in the zone of oxidation of a molybdenum deposit, localized in Devonian rhyolite porphyries |
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| produced significant quantities of copper and molybdenum until closing in the 1920’s. Extensive collecting...prospects have produced copper in association with molybdenum, uranium and silver. We first visited this area...and cornubite. Figure 2. Scene of the El Dorado mine collapsed adit. LOCATION The copper mines of the...in the district included the Mohawk (Last Chance) mine, with a total output of over 1,000 tons of 6% chalcopyrite...(Dufay) mine, which produced one carload of high-grade ore, and the Murdock (Plumas Jumbo) mine, with a |
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| depositsaccountedfor approximately71 percentof free world molybdenum production in 1969. The stockworkdepositscontain0...oresassociated with multipleintrusions. Paragenetically, molybdenum occursearly in a mineralizingstagein oresthat...igneousactivity. The stockwork oresandsomeotherclasses of molybdenum deposits occurin igneoustectonicprovinces,where...Interior Belt of BritishColumbia(Alice (B.C. Molybdenum), EndakoandBossMountain). The geologichistory...Production andOwnership of OperatingStockwork Molybdenum Deposits Production Initial Reserve(tons) |
 | Števko, Martin, Sejkora, Jiří, Malíková, Radana, Ozdín, Daniel, Gargulák, Milan, Mikuš, Tomáš (2017) Supergénne minerály z kremeňovej žily s Mo-W mineralizáciou pri Ochtinej, Spišsko-gemerské rudohorie (Slovenská republika) [Supergene minerals from quartz vein with Mo-W mineralization near Ochtiná, Spišsko-gemerské rudohorie Mts. (Slovak Republic)]. Bulletin Mineralogie Petrologie, 25 (1) 43-54 | Journal (article/letter/editorial) |
| association of supergene minerals, represented by ferrimolybdite, hydrotungstite, jarosite, sulphur and tungstite...Spišsko-gemerské rudohorie Mts., Slovak Republic. Ferrimolybdite is a dominant supergene mineral and it forms...of molybdenite. Coatings and aggregates of ferrimolybdite consist of individual acicular crystals up...and V 3075.6(2) Å3. All studied samples of ferrimolybdite tend to be rather unstable in interaction with... so complete quantitative chemical data of ferrimolybdite were not obtained, but except of dominant contents |
