 | | Report (issue) | | bureau of mines MANGANESE DEPOSITS OF EASTERNARIZONA By L. L. Farnham , L. A. Stewart , and C. W. DeLong...07756 2364 MANGANESE DEPOSITS OF EASTERNARIZONA By L. L. Farnham , L. A. Stewart , and C. W. DeLong...Lloyd Lynn , 1891Manganese deposits of easternArizona , by L. L. Farnham , L. A. Stewart , and C. W.... . of the Int . Library Dept. of the . -Arizona no. 7990] 26 cm . (U.S. circular 7990 ) . I... ApacheCounty .. Sonsela Butte deposit 3 4 4 4 .County .. Cow SpringsCochiseCounty . occurrence |  | | Journal (article/letter/editorial) | | and structural evolution of the Pataz goldminingdistrict: Implications for the timing and origin of...a b s t r a c tThe Paleozoic Pataz–Parcoy goldmining area is located in a right-stepping jog on the...is that of a rift and grabenterrain. The Patazdistrict (the northern part of the Pataz–Parcoy area) is...batholith was most extensivein the northern Patazdistrict where the fault-controlled western contact of...1016/j.oregeorev.2012.10.007include the major gold-mining districts of Pataz and Parcoy (Fig. 1).The Pataz–Parcoy |  | | Report (issue) | | of the Southeast Missouri base metal and baritedistrict,by A. V. Heyl..................................iii I feel confident that all who read thisgroup of preliminary short paperswill recognize the opportunity...structures containingPags 3Examples^SkelletaaDistrict, SwedenHljura-Kotalenti Belt, FinlandThompson...lulflde*ml er*enlde*,Tl-V magnetite-Platinum-group mineral* dliiemlnted In tlunlferou* magnetiteeegr*g*tlon*...pyrrhotlte-Matlve gold___________________-Platinum-group mineral* occur a*Intiritltlal mitarlel aroundchromlt* |  | Witt, W. K., Hagemann, S. G., Villanes, C., Vennemann, T., Zwingmann, H., Laukamp, C., Spangenberg, J. E. (2016) Multiple Gold Mineralizing Styles in the Northern Pataz District, Peru.Economic Geology, 111 (2) 355-394doi:10.2113/econgeo.111.2.355 | Journal (article/letter/editorial) | | Gold Mineralizing Styles in the Northern PatazDistrict, Peru*W. K. Witt,1 S. G. Hagemann,1 C. Villanes...AbstractGold production from the northern Patazdistrict in the eastern Andean Cordillera of Peru has been...batholith, in the Vijus-Santa Filomena area of thedistrict.Both are located within a central horst; similar...hydrothermal alteration in the northern Patazdistrict.IntroductionThe Pataz-Parcoy goldfields are...main sites of hydrothermal activity in thePatazdistrict: (1) batholith-hosted veins and related alteration |  | | Report (issue) | | USGS, Retired2-USGS, Reston, VA4-Exxon-USA, Los Angeles, CA1983 CONTENTSPageAbstract...majority of the referencesgeology of a deposit ormine; resources and reserves; reserve estima-tion;...of mines; feasibility studies; mineraleconomics;mine finance; investment; trade; markets; production;...supply and demand; stockpiling; mineral policy;mining regulations; taxationand royalties.There is...Alabama.This bibliography is a product of WorkingGroup 2 (International PhosphateResource Data Base) of |  | | Journal (volume) | | Resumption of Activities at the HowellMineBY WILL C. HIGGINSThe HowellMining Company, of SaltLake City, is...property in the South ForkThe property of the HowellMining Comof Big Cottonwood canyon, about twentyfive...the great Cardiffmine, its nearto the discovery of the property of theHowellMining Company, of the...-roots.The discovery ofthe Howell reads aldistrict has been notmost like a romance .ed for its...ment and operation ,the richest portion ofandmining activities wereinaugurated in Utahthe Biga |  | | Journal (issue) | | 2nd Ed. B y W. D. Wright . ..464MetalliferousMine Surveying. 4 t h Ed. B y F. Winiberg, revised and...also a convenient check on the stability even ofagroup of unfolded sediments to see whether, by restoring...from the minorintrusions of Ayrshire.The kylitiegroup t o which a Permian age is assigned is enclosed...presumed t o represent Tertiary rocksof the crinanitegroup. Different samples from the same intrusion arelinked...linked together.SPECIMEN L O C A L I T I E SKylitegroup: B . Benbeoch. H D . Hallyards Quarry. H . Hillhouse |  | | Journal (issue) | | Geological Survey Camp, Malaya..,45Alluvial GoldMining, Tanganyika ..56'Dry-blower, Tanganyika....hornblende-syenite. Grain size is variablewithin eachgroup, but there appears to be no very clearly distinctive...described by Br0gger in fenitisedrocks from the Fendistrict in Norway (1912, p. 165). In one of these herecords...that seems to be comparable with one from theFendistrict occurs in Chambe specimens Bl3 and Bl4. This has...with Br0gger's pale blueamphibole of the Fendistrict and with that described by Campbell Smithfrom |  | | Journal (volume) | | Southern AfricaTheMining Journal, Annual Review - 1956ChemicalMiningProspects forMining Development in...in the British Solomon IslandsTanganyikaMining Industry in 1955Perlite and SilicosisNew Bulletin Supplement...World Tin Industry. By International TinStudyGroup .Supplement 1955 to the Statistical Year Book...Tinplate andCanning. By International Tin StudyGroupThe East African Rift System ( Bulletin Supplement...Handbuch der Physik. Vol . 47 (Geophysics I ) .Group editor, J.BartelsElementary Crystallography. By |  | | Journal (issue) | | ContentsPAGEARTICLESThe Geology of the TocoDistrict, Trinidad, West Indies. Part 2:P·etrology, Metamorphism...Asiatic Russia. By S. P. Suslov...South AfricanMining and Engineering Year Book. 1961-62 Edition.Edited...Edited by S. R. Potter......Beerman's AllMining Year Book, 1962 .••••Russian-English Geological...126130 IllustrationsThe Geologyof the TocoDistrict, Trinidad, West Indies, Part IIPlate IIIFig...rocks•••Geological cross sections of the TocodistrictLineation trends ••••Joint trends •••• |  | Angerer, Thomas, Kemp, Anthony I. S., Hagemann, Steffen G., Witt, Walter K., Santos, João O., Schindler, Christian, Villanes, Carlos (2018) Source component mixing controls the variability in Cu and Au endowment along the strike of the Eastern Andean Cordillera in Peru.Contributions to Mineralogy and Petrology, 173 (5)doi:10.1007/s00410-018-1462-5 | Journal (article/letter/editorial) | | inferred)5 kmPataz (Au)volcaniclastics (VistaFlorida Group)Montañitas(Cu±Au)(quartz-)diorite, (point:...Pataz Au-miningdistrict with localitiesof samples. c Montañitas Cu ± Au occurrencedistrict with localities...regional studies?The study areas are the Pataz Au-mining area (Schreiberet al. 1990; Haeberlin et al. 2004;...et al. 2011). The world-class Pataz–Parcoy Audistrict is one of the northern-most expressions ofthe...situated 10–20 km south-southeast of theParcoydistrict and represents the longitudinal extension ofthe |  | | Journal (volume) | | resinous substances characteristic of thecannelgroup of coals. As causally related to this phenomenon...fossiliferous to the westward in the Yakatagadistrict and in the Chaix Hills, where it is not altered...deposition ofthe Niobrara formation and the Montanagroup.Harris and Vaughn have both pubHshed statements...specimen garnet replaces the granite-porphyryin themine.along joints and in another as a wave advancing...GEOLOGY. —Sketch of the geologic history of theFlorida coralreef tract and comparisons with other coral |  | | Journal (issue) | | Geology of Sambani and Buena Vista Islands of theFlorida Group.......Economic Prospects ........studies in the central region of theSolomon Islandsgroup between November 1950 and May 1951.It had originally...team, often at considerableinconvenience to theDistrict Officers and others concerned.The members of...Levett .•F. K. Rickwood•Western NggelaGroup (Sambani,Hanesavo Island, Buena VistaIsland),...Commissioner of Lands, and Mr. J. C. Grover, B.E. (Miningand Metallurgy), the Resident Geologist, did much |  | | Report (issue) | | IslandSanta Isabel IslandRusse/ IslandsFlorida IslandsMalaita IslandTangarareGuadalcanal...Stratigraphy 17The pre-Miocene basement 17The MbiraoGroup l 7Mbirao \Tolcanics 18Tetekanji Limestones 19...Mbirao Metabasics 22Petrochemistry of the MbiraoGroup 23The Guadalcanal Ultrabasics 25Marau Ultrabasics...Poha Diorite 30Kavo Greywacke Beds 32MbetilongaGroup 33Tangareso Beds 35Mbokokimbo Formation 36Toni...Significance of s -sur-faces within the MbiraoGroup 56Bedding planes in the Neogene sequence 56Deposition |  | | Journal (issue) | | PHILADELPHIA CONTRIBUTIONSTERTIARY FAUNA OFFLORIDAWITH ESPECIAL REFERENCE TO THESILEX BEDS OF TAMPA...it was recognized that the so-called MioceneofFlorida comprisedtwo very dissimilar faunas, and to the...in Virginia and Maryland, but repre-sented agroup of horizons strictly analogous to those which had...1553The Shell BluffGroup1555The Ocala Limestone1556The ChattahoocheeGroup1558The Tampa Silex...DeclineFaunasExplanation of Platesof1617theFlorida Neocene Mollusk1619'1621-34Index1635Additions |  | | Report (volume) | | 442836)DistributorsUSAAAPG BookstorePO Box 979TulsaOK 74101-0979USA(Orders: Tel. (918) 584-2555...Clearance Center, 27 Congress Street,Salem, MA 01970,USA: the item-fee code for thispublication is 0305-8719/97/$10...depositsin the middle to late Proterozoic PengangaGroup of the Pranhita-Godavari valley, SouthIndiaNICHOLSON...ores of the GhoriajhorMonmunda area, SundergarhDistrict, Orissa, India: geochemical evidence for a mixed...DASGUPTA 41Environmental Geochemistry ResearchGroup, School of Applied Sciences,The Robert Gordon University |  | | Report (issue) | | 398/2 12521 111CONTENTSFauroGroup 77AluGroup 78TreasuryGroup 79Discussion 79One Introduction...Fauro IslandGroup 61Stratigr aphy 61Structure 67Geological history 68Alu IslandGroup 68Stratigraphy...units 636 Analyses of igneous rocks from the Faurogroup 787 Analyses of igneous rocks from Alu 798 Analyses...Project, covering the geology of the New GeorgiaGroup, has been describedseparately by Dr P. N. Dunkley...affected the cover sequence.In the ShortlandsGroup, Fauro and surroundingislands, in the north-east |  | | Report (issue) | | W. H. Contributions to the Tertiary fauna ofFlorida: Pelecypoda: I.Prionodesmacea; II. Teleodesmacea...W. H.Contributions to the Tertiary fauna ofFlorida:Pelecypoda, con-16 Dall,Marine(Quoted...pp.305-314, 1922.19 Arnold, R. Coal in ClallamCounty, Washington. U. S. Geol. Surv., Bull.no. 260,...no. 2, pp. 19-40, 1916.82 Hannibal, Harold.County,Washington.Proc.Calif.WesternWashington...Its relation to the Cowlitz phaseor the Tejongroup of Washington. Proc. Calif. Acad. Sci., ser. 4, |
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