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| of the primary fluidsthat presumablyintroducedthe ore metalsto the volcanicrocks accumulating on the seafloor...massivesulfidedepositsat Jerome,Arizona tension(U.V.X.) ore body, discoveredin 1914 and (Fig. 1) consist largelyof...Verde Extension are now inaccessible, but small ore shoots in the southwestern wall of the openpit...edto supportthe conceptthat in 1953. Another deposit,the Haynes massive manymassivesulfidedepositshavea...Becauseof the importanceof this unit in relationto the ore deposits, massof gabbrois exposed at Jerome(Fig. |
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| -------_--._--._-.__-_..-.._.--_.--..--------.-._.. Ore deposits.-__-__-__-___-__--_-_-__-_____________-__-_-_____...L................. ____________________________ Ore bodies--------------!-- -----------------------------Reserves__..."________________________ North Nonpareil mine..-..---.---.--,_ __-------__-_--Ore bodies:'---__-_'_-_--...through ore bodies, Bonanza mine_ _ _ _ _ In pocket 34. Longitudinal section, north ore body, Bonanza...Geologic plan, North Nonpareil mine._________________ In pocket 38. Cross section E-E', North Nonpareil mine___________ |
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| evaluating mineral occurrences in North and South America, Europe, North Africa and the Middle East. As... . . . . . . .. . . .... . . . . . . . 75 L&N Deposit . ... . .... .. . . ..... . . . . . . . . 78 Acknowledgements... ... 6 4 . View east from Alunite Ridge across North Fork of Cottonwood Creek ... ..... . . . . . . ...along outcrops of antimony-bearing sandstone showing ore concentrations in Stella and Mammoth claims . . ...Bradburn alunite mine . . . . . . . . . . . 75 45. North portion of Alunite Ridge from L&N mine ..... 75 |
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| Ores from the Takara Volcanogenic Massive Sulfide Deposit, Central Japan Daigoro YAKUSHI and Mamoru ENJOJI...The Takara volcanogenic massive sulfide (VMS) deposit occurs in Miocene formation of the Misaka Mountain...Honshu arc and to form accreted body in the present position. The Takara deposit, therefore, is considered...Takara deposit are classified into pyrite-type ore, chalcopyrite-type ore, and sphalerite-type ore on the...sphalerite-type ores. The ores from the Takara deposit have intermediate bulk chemical composition between |
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| OF THE PORPHYRY COPPER DEPOSITS Southwestern North America oe ‘ ” MohBy yy a i; ¢ ¢ ¢ GEOLOGY...OF THE PORPHYRY COPPER DEPOSITS Southwestern North America Edited by SINCE RoR EEL LEY. Department...tectonics of basin ranges, and structural control of ore deposits. Much of his early work was of a truly pioneering...later Tertiary tectonics in the Basin and Range Province, and work on a number of individual mining districts...FOREWORD Recent discoveries of new copper-bearing ore deposits in the southwestern United States are unmatched |
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| County, Arizona By S. C. CREASEY With a section on ORE DEPOSITS By J. D. PELLETIER and S. C. CREASEY GEOLOGICAL... and origin of the San Manuel porphyry copper deposit and on the distribution, petrology, and structures...Manuel area, Final County, Arizona. With a section on Ore deposits by J. D. Pelletier and S. C. Creasey. Washington...Mines and mineral resources Arizona Final Co. 3. Ore deposits Arizona Final Co. I. Pelletier, J. D. II...Structures in the San Manuel area._______________ Ore deposits, by J. D. Pelletier and S. C. Creasey_______ |
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| Geology and Ore Deposits of the Jerome Area Yavapai County Arizona By C. A. ANDERSON and S. C. CREASEY...Physiography _______________ ---·- -------- ______ _ Ore deposits ________________ :. . ___ ~ __ ,.. ______...Hypogene minerals ________ ._____ :.. ___________ _ Ore minerals:... ________________ ~ ________ _ Gangue... Supergene minerals ________________________ _ .Ore minerals ___________ :. . ________ ~ _____ _ .Minerals...Alteration _______ -_·:. . :. . ____________ --'----Ore shoots _______-__ ._ ____ .:. ___ __________ _ Origin_~-· |
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| (Austria), J. Komínek (Czech Republic), I. Bojkov (Bulgaria), H. Schleicher (Germany), W. Schuppan (Germany)...use of nuclear energy is information on uranium ore deposits from which uranium can be economically exploited...of other geoscientists who worked on any given deposit, in order to stimulate and encourage further research.... . . . . . . . . . 19 19 23 25 Chapter 2 Bulgaria . . . . . . . . . . . . . . . . . . . . . . ....120 123 127 127 128 x Table of Contents 3.8 North-Bohemian Cretaceous Basin . . . . . . . . . . . |
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| Lindgren toward the application of detailed ore deposit studies to the exploration for new mines. Our...has in part turned away from the path of applied ore deposition blazed by these men. However, the continued...is up to us to combine their concepts of applied ore deposition with the new techniques of geochemistry...the first of two majbr phases in his studies of ore deposits. He continued this phase of detailed field...studies with work on the vein, manto and pipe types of ore deposits in Mexico from 1922 to 1926, in southern |
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| COM PUTING ORE RESERVES, UTILIZING ANA LYTICAL DATA FROM MAGGIE CANYON MANGANESE DEPOSIT, ARTILLERY MOUN...OF COMPUTING ORE RE SERVES, UTILIZING ANALYTICAL DATA FROM MAGGIE CANYON MANGANESE DEPOSIT, ARTIL LERY...Discussion of sample data — 5 Part I. — Computation of ore reserves and grade. 8 Cross-section method 8 Computations...frequency distribu tions 24 Computation of grade of ore by use of Sichel's t estimator 29 Underground drill...Appendix II. Section maps, Maggie Canyon manganese deposit, Mohave County, Ariz. (figs. 12-33) - 112 Appendix |
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| mine . . . . . . . . .11 Maria magnetite-copper ore body . . . . . . . .11 Wah Wah Mountains deposits ... . . 34 Ore deposits . . . . . . . . . . . . . . . . . . . . . . . . . . 39 A and B ore body . . . ..... 41 April Fool ore body . . . . . . . . . . . . . . . . . . . 41 Armstrong ore body . . . . . . . ..... 41 Ashton ore body . . . . . . . . . . . . . . . . . . . . . . 41 Black Hawk ore body . . . . . . .... 41 Black Magnetic ore body . . . . . . . . . . . . . . . 44 Blackbird ore body . . . . . . . . . . |
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| _________________________________ Past production of manganese ore.-.------__--__-___________.____._. Reserves of manganese...Economic factors influencing production of manganese ore in Mexico___ Types of manganese deposits--__---_...Limestone-replacement deposits._--__-_.-________________._ ____ Tuff-replacement deposits._-__-.-----_---._.__._..._____...(6)___---_-----._-.------__________________ Gavildn ore deposits (7)____________________________________...Santa Isabel (San Nicolds) deposit (9)________----_---______ San Juanico deposit (9a)____._--- _-__----_-__-_______ |
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| WHITE HORSE MAX ALUNITE E. WILLARD DEPOSIT, AND PAUL MARYSVALE, DEAN PROCTOR. UTAH. • CONTENTS...folded.In the main thesefoldsare isoclinal,trend north, are slightlyoverturned to the west,andplungegentlysouth...accomplishedby a sulphate-bearing solution. At the deposit there is now no evident surface or near-surface...S., andGale,H. S.: Alunit½, a newlydiscovered deposit nearMarysval½, Utah. U.S. Geol. Survey Bull. 511...aneffortto explain thegenesis ofthisparticular deposit. AcknowIed#m•nts.--The writersare indebted to |
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| ----East- to northeast-trending folds _______ -North-trending folds ________ ------------Intraformational...ackpile deposit._- __ -_-_- ___ ----------Windwhip deposit.--------------------Woodrow deposit ___ --...-------------------Pit I deposit, Sandy mine ____ -------·----Summary of minor-element data _________ _...- - - -- ----- - Ore textures _____ ----------~-----:..------------J ackpile deposit.--_-----------------------Woodrow...--_-----------------------Woodrow deposit.--~----------------·--.----Pit I deposit, Sandy mine ___________________ _ |
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| post-orogenic and intraplate settings. The mineral deposit studies in Mongolia began in the middle of the...and Cretaceous age. The Tavan Tolgoi deposit is a unique deposit of cooking coal of about 5 billion tonnes...He has considerable experience in tectonics, ore deposit geology, and mineral exploration in many parts...Natural History Museum, London, and Editor-in-Chief of Ore Geology Reviews. Franco is the author of 5 books...the International Association on the Genesis of Ore Deposits (IAGOD). Her areas of expertise include |
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| crystal tuff ______________ ;_..:._ 79 SO Quartz-sanidine crystal tuff-------~.~,:.::· Vitric tuff _______________________...-'----~.82 Black glass-welded tuff-----------~..:·_ · 84 Red vitric tuff and associated cong}~ · merate...history ________ . :. __ ..:_..,--~·_. 87 Vitric tuff ____________________ ·.,.~~-:-~.~>.: 9~ Volcanic..._________ _ Relation of ore deposits to country rock ______ _ Relation of ore deposits to structural features...__ Mineralogy of the ore ______________________ _ Chemical composition of the ore _____________ _ · Origin |
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| ........................................... Ore deposit types...................................................................... 190 Postulated ore deposit types....................................................................... 6. Photographs of ore from the Livingston vein...........................16. 17. 18. 19. 20-25. 26. 27-28. 29. Types of ore deposits and host geologic terranes in the Challis......................... Geochemistry of types of ore deposits known to exist in the Challis I°x2° quadrangle |
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| Mining, Metallurgical, V.2 and Petroleum Engineers Ore deposits of the United States, 1933-1967 SS Inst...llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits -1967 United oer, States, sin 1933...https://archive.org/details/oredepositsofuniO002john Ore Deposits of the United States, 1933-1967 The Graton-Sales...PRACTICE THE PORPHYRY COPPERS (1930) (1933) ORE DEPOSITS OF THE WESTERN STATES (1933) AIME TRANSACTIONS...ANNIVERSARY VOLUME ORE DEPOSITS OF THE UNITED STATES, 1933-1967 (1962) (1968) Ore Deposits of the |
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| ..... Deposits north of the Pine Creek area................ Round Valley Peak deposit..................Photograph showing the Pine Creek pendant on the north side of Pine Creek, Inyo County, Calif...'........Valley Peak deposit.. .................................... 8. Geologic map of Hilton Creek deposit..........REPORT By Dwlght M. Lemmon ABSTRACT Scheelite ore bodies occur at widely separated localities in the...exposed in deep canyons indicates that some of the ore bodies may extend to many hundreds or even to thousands |
 | Duuring, Paul, Rowins, Stephen M., McKinley, Bradley S. M., Dickinson, Jenni M., Diakow, Larry J., Kim, Young-Seog, Creaser, Robert A. (2009) Examining potential genetic links between Jurassic porphyry Cu–Au ± Mo and epithermal Au ± Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada. Mineralium Deposita, 44 (4) 463-496 doi:10.1007/s00126-008-0228-9 | Journal (article/letter/editorial) |
| Au±Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada Paul Duuring &...volcanic-arc granites. The Fin porphyry Cu–Au–Mo deposit is anomalous in that it is 16 m.y. older than any...systems, the Baker low-sulfidation epithermal deposit displays the strongest demonstrable genetic link...fluids; fluid inclusion studies demonstrate that its ore fluids were hot (>468°C), saline, and deposited metals...involvement of a magmatic fluid, but also suggest that the ore fluid interacted with Asitka and Takla Group country |
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| deposits—Continued Other areas South half of Clancy quadrangle North half of Devils Fence quadrangle Southeast part of...quadrangle, Montana. 2. Geologic map and sections, north half of Devils Fence quadrangle, Montana. 3. Geologic...upwards into a sequence of feldspathic sandstone and tuff beds here named the Slim T. RUPPEL Sam formation...dominantly of quartz monzonite, is the principal body of this younger group. The older igneous rocks metamorphosed...combination of metals from a number of types of ore deposits. Replacement deposits in carbonate rocks |
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| __ ____ __ History of discovery _ ___ _ Tanama deposit _________________________ Geology ____________________________...25 27 27 Mineral deposits (continued) Tanama deposit (continued) Thermometry and chemistry of veinlet...fluids Oxidation and secondary enrichment Helecho deposit Geology and structural controls Mineralization...______________ _____ _ 14 12. Cross section of the Tanama deposit _____________________________________________-_____...17 13. Interpretive cross section of the Tanama deposit before faulting _____________ ______ __ 19 14. |
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| GEOLOGY publication. Cover Photo: Overview of the North Pit at Ridgeway Gold Mine (Kennecott-Ridgeway Mining...folded and cut by three major brittle faults: the north-striking Ridgeway fault, the west–northwest-striking...Longtown faults were reactivated, producing up-on-the-north vertical separations of the basal Late Cretaceous...southeastern part of the Appalachian Piedmont province and extending from south-central Virginia to westcentral...Uwharrie volcanic rocks in the Albemarle area of North Carolina (Wright and Seiders, 1980; Milton, 1984) |
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| to the appearance of an excellent article on the ore deposits of the Mogollon district by David B. Scott...Waldemar, Graton, L. C., and Gordon, C. H., The ore deposits of New Mexico : U. S. Geol. Survey Prof.................. 1917.......................... Ore. Gold. Short tons. 11,276 11 fWd 16,076 9ft...to more than 6,000 feet at the top of the mesa north of Copper Creek. Above these flat mesas are the...Whitewater Creek is just south of the area, and to the north is Copper Creek, both about parallel with Silver |
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| PAPER 461 Includes a part of the Basin and Range province and several small base-metal mining areas UNITED... Lower welded tuff unit-_____-_-__-__ Biotite dacite unit--__-----_-------_ Lower tuff unit-____________________...unit-____________________ Upper welded tuff unit. _____________ White tuff unit__-__-------_-------Intermediate andesite...andesite unit___________ Tuff unit of Hawk Canyon___ ______ Rhyolite-obsidian unit_______________ Quartz...Canyon___ Upper andesite unit_____--__-___-___ Upper tuff unit________------------Age and correlation_________-___-__----_ |
