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| and structural evolution of the Pataz gold mining district: Implications for the timing and origin of...a b s t r a c t The Paleozoic Pataz–Parcoy gold mining area is located in a right-stepping jog on the...is that of a rift and graben terrain. The Pataz district (the northern part of the Pataz–Parcoy area) is...batholith was most extensive in the northern Pataz district where the fault-controlled western contact of...1016/j.oregeorev.2012.10.007 include the major gold-mining districts of Pataz and Parcoy (Fig. 1). The Pataz–Parcoy |
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| of the Southeast Missouri base metal and barite district, by A. V. Heyl.................................. iii I feel confident that all who read this group of preliminary short papers will recognize the opportunity...structures containing Pags 3 Examples^ Skelletaa District, Sweden Hljura-Kotalenti Belt, Finland Thompson...lulflde* ml er*enlde*,Tl-V magnetite -Platinum-group mineral* dliiemlnted In tlunlferou* magnetite eegr*g*tlon*...pyrrhotlte -Matlve gold___________________ -Platinum-group mineral* occur a* Intiritltlal mitarlel around chromlt* |
 | 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) 355-394 doi:10.2113/econgeo.111.2.355 | Journal (article/letter/editorial) |
| Gold Mineralizing Styles in the Northern Pataz District, Peru* W. K. Witt,1 S. G. Hagemann,1 C. Villanes...Abstract Gold production from the northern Pataz district in the eastern Andean Cordillera of Peru has been...batholith, in the Vijus-Santa Filomena area of the district. Both are located within a central horst; similar...hydrothermal alteration in the northern Pataz district. Introduction The Pataz-Parcoy goldfields are...main sites of hydrothermal activity in the Pataz district: (1) batholith-hosted veins and related alteration |
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| Resumption of Activities at the Howell Mine BY WILL C. HIGGINS The Howell Mining Company, of Salt Lake City, is...property in the South Fork The property of the Howell Mining Com of Big Cottonwood canyon, about twentyfive...the great Cardiff mine, its near to the discovery of the property of the Howell Mining Company, of the...-roots. The discovery of the Howell reads al district has been not most like a romance . ed for its...ment and operation , the richest portion of and mining activities were inaugurated in Utah the Big a |
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| USGS, Retired 2- USGS, Reston, VA 4- Exxon-USA, Los Angeles, CA 1983 CONTENTS Page Abstract...majority of the references geology of a deposit or mine; resources and reserves; reserve estima- tion;...of mines; feasibility studies; mineral economics; mine finance; investment; trade; markets; production;...supply and demand; stockpiling; mineral policy; mining regulations; taxation and royalties. There is...Alabama. This bibliography is a product of Working Group 2 (International Phosphate Resource Data Base) of |
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| 2nd Ed. B y W. D. Wright . . . 464 Metalliferous Mine Surveying. 4 t h Ed. B y F. Winiberg, revised and...also a convenient check on the stability even of a group of unfolded sediments to see whether, by restoring...from the minor intrusions of Ayrshire. The kylitie group t o which a Permian age is assigned is enclosed...presumed t o represent Tertiary rocks of the crinanite group. Different samples from the same intrusion are linked...linked together. SPECIMEN L O C A L I T I E S Kylite group: B . Benbeoch. H D . Hallyards Quarry. H . Hillhouse |
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| Geological Survey Camp, Malaya . . , 45 Alluvial Gold Mining, Tanganyika . . 56 ' Dry-blower, Tanganyika . ...hornblende-syenite. Grain size is variable within each group, but there appears to be no very clearly distinctive...described by Br0gger in fenitised rocks from the Fen district in Norway (1912, p. 165). In one of these he records...that seems to be comparable with one from the Fen district occurs in Chambe specimens Bl3 and Bl4. This has...with Br0gger's pale blue amphibole of the Fen district and with that described by Campbell Smith from |
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| Southern Africa The Mining Journal, Annual Review - 1956 Chemical Mining Prospects for Mining Development in...in the British Solomon Islands Tanganyika Mining Industry in 1955 Perlite and Silicosis New Bulletin Supplement...World Tin Industry. By International Tin Study Group . Supplement 1955 to the Statistical Year Book ...Tinplate and Canning. By International Tin Study Group The East African Rift System ( Bulletin Supplement...Handbuch der Physik. Vol . 47 (Geophysics I ) . Group editor, J. Bartels Elementary Crystallography. By |
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| Contents PAGE ARTICLES The Geology of the Toco District, Trinidad, West Indies. Part 2: P·etrology, Metamorphism...Asiatic Russia. By S. P. Suslov . . . South African Mining and Engineering Year Book. 1961-62 Edition. Edited...Edited by S. R. Potter . . . . . . Beerman's All Mining Year Book, 1962 . • • • • Russian-English Geological...126 130 Illustrations The Geologyof the Toco District, Trinidad, West Indies, Part II Plate III Fig...rocks • • • Geological cross sections of the Toco district Lineation 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) |
| batholith monzongranite volcaniclastics (Vista Florida Group) 9090000 (quartz-)diorite, (point: microdiorite)...Pataz Au-mining district with localities of samples. c Montañitas Cu ± Au occurrence district with localities...regional studies? The study areas are the Pataz Au-mining area (Schreiber et al. 1990; Haeberlin et al. 2004;...et al. 2011). The world-class Pataz–Parcoy Au district is one of the northern-most expressions of the...situated 10–20 km south-southeast of the Parcoy district and represents the longitudinal extension of the |
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| resinous substances characteristic of the cannel group of coals. As causally related to this phenomenon...fossiliferous to the westward in the Yakataga district and in the Chaix Hills, where it is not altered...deposition of the Niobrara formation and the Montana group. Harris and Vaughn have both pubHshed statements...unconsolidated portions of the batholith. in the mine. Adolph Knopf, Acting Secretary. THE CHEMICAL...—Sketch reef tract of the geologic history of the Florida coral other coral reef areas. ^ Thomas and comparisons |
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| Geology of Sambani and Buena Vista Islands of the Florida Group . . . . . . . Economic Prospects . . . . . ...studies in the central region of the Solomon Islands group between November 1950 and May 1951. It had originally...team, often at considerable inconvenience to the District Officers and others concerned. The members of...Levett . • F. K. Rickwood • P. Western Nggela Group (Sambani, Hanesavo Island, Buena Vista Island),...Commissioner of Lands, and Mr. J. C. Grover, B.E. (Mining and Metallurgy), the Resident Geologist, did much |
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| PHILADELPHIA ST. CONTRIBUTIONS TERTIARY FAUNA OF FLORIDA WITH ESPECIAL REFERENCE TO THE OF TAMPA AND THE...self-defence work the at much two very of Florida comprised Old Miocene was applied States in ...in Virginia and Maryland, but repre- sented a group of horizons strictly analogous to those which had...1553 The Shell Bluff Group 1555 The Ocala Limestone 1556 The Chattahoochee Group 1558 The Tampa Silex...Mollusk-Faunas 1617 Culmination, and Decline of the Florida Neocene Mollusk- Faunas Explanation of Plates |
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| Island Santa Isabel Island Russe/ Islands Florida Islands Malaita Island Tangarare Guadalcanal...Stratigraphy 17 The pre-Miocene basement 17 The Mbirao Group l 7 Mbirao \Tolcanics 18 Tetekanji Limestones 19...Mbirao Metabasics 22 Petrochemistry of the Mbirao Group 23 The Guadalcanal Ultrabasics 25 Marau Ultrabasics...Poha Diorite 30 Kavo Greywacke Beds 32 Mbetilonga Group 33 Tangareso Beds 35 Mbokokimbo Formation 36 Toni...Significance of s -sur-faces within the Mbirao Group 56 Bedding planes in the Neogene sequence 56 Deposition |
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| 442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...Clearance Center, 27 Congress Street, Salem, MA 01970, USA: the item-fee code for this publication is 0305-8719/97/$10...deposits in the middle to late Proterozoic Penganga Group of the Pranhita-Godavari valley, South India NICHOLSON...ores of the GhoriajhorMonmunda area, Sundergarh District, Orissa, India: geochemical evidence for a mixed...DASGUPTA 4 1Environmental Geochemistry Research Group, School of Applied Sciences, The Robert Gordon University |
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| 398/2 12521 111 CONTENTS Fauro Group 77 Alu Group 78 Treasury Group 79 Discussion 79 One Introduction...Fauro Island Group 61 Stratigr aphy 61 Structure 67 Geological history 68 Alu Island Group 68 Stratigraphy...units 63 Analyses of igneous rocks from the Fauro group 78 Analyses of igneous rocks from Alu 79 Analyses...Pro ject, covering the geology of the New Georgia Group, has been described separately by Dr P. N. Dunkley...affected the cover sequence. In the Shortlands Group, Fauro and surrounding islands, in the north-east |
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| W. H. Contributions to the Tertiary fauna of Florida: Pelecypoda: I. Prionodesmacea; II. Teleodesmacea...W. H. Contributions to the Tertiary fauna of Florida: Pelecypoda, con- 16 Dall, Marine (Quoted ...pp. 305-314, 1922. 19 Arnold, R. Coal in Clallam County, Washington. U. S. Geol. Surv., Bull. no. 260,..., and of West- Valley, Washington. Proc. County, Western Washington. Washington. Washington...Its relation to the Cowlitz phase or the Tejon group of Washington. Proc. Calif. Acad. Sci., ser. 4, |
Florida Mine group, Tombstone Mining District, Cochise County, Arizona, USA