 | | Report (issue) | | collecting might be getting more dicey (at least in Arizona) because of the heat. So here are some dealers’...finds—boleite from the Amelia mine, Baja California, Mexico; zunyite from Quartzsite, Arizona; chalcosiderite from...Australia; painite from Burma; perhamite from Oxford County, Maine; the brand-new species bobdownsite from...specimens from a revered Spanish locality: the La Florida mining area, Herrería-Valdáliga-Rionansa, Santander...Cantabria). The small Pb-Zn mines of the La Florida group have been inactive since 1978, but in 1998 some |  | | Journal (article/letter/editorial) | | 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 |  | | Report (issue) | | 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 |  | | Journal (volume) | | 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 |  | Voute, F., Hagemann, S. G., Evans, N. J., Villanes, C. (2019) Sulfur isotopes, trace element, and textural analyses of pyrite, arsenopyrite and base metal sulfides associated with gold mineralization in the Pataz-Parcoy district, Peru: implication for paragenesis, fluid source, and gold deposition mechanisms. Mineralium Deposita, 54 (7) 1077-1100 doi:10.1007/s00126-018-0857-6 | Journal (article/letter/editorial) | | associated with gold mineralization in the Pataz-Parcoy district, Peru: implication for paragenesis, fluid source...Nature 2019 Abstract In the Pataz-Parcoy district, current mining activity is focused on the mesothermal...a complex paragenesis of pyrite, arsenopyrite, galena, sphalerite, chalcopyrite, and gold. Gold occurs...mineralization processes occurring in the Pataz-Parcoy district. Contrasting with the classical two-stage ore...sequence previously proposed for the Pataz-Parcoy district, we suggest a revised paragenetic sequence, i |  | | Report (issue) | | 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 |  | | Journal (issue) | | 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 |  | | Report (issue) | | PRACTICAL GEOLOGY I. District Reports A. England and Wales I. South-Western District • • • • 2. Bristol-Southampton...Bristol-Southampton and South Wales District 3. East Anglia and South-Eastern District • 4. South Midlands and Central...Central Wales District . 5. Yorkshire and East Midlands District . • 6. North-Western District • • • .. 7...North-Eastern District • • • 8. North Wales District • • • • B. Scotland I. South Lowlands District • • • •...• • • • 2. North Lowlands District • 3. Scottish Highlands and Islands • • • • C. Geological Survey of |  | | Book | | and paleoecology. We recognize the work of the mining geologists, the petroleum goelogists, the hydrologists...scan the world literature. To each article, or group of kindred articles, some sort of "highlight commentary"...1 5 HALL, T. C. F.: The Coal of Gondwanaland Mining Mag. 82:201-203, 204-207, 208, 210 (1950) A Possible...Mantle Cells and Mineralization WALKER, W: 90 Mining Eng. 22(12):69 (1970) 1~ cY Metallogeny: A Key...Key to Exploration GUILD, P. w.: 91 Mining Eng. 23(1) :69-72 (1971) PEREIRA, J., and c. J. DIXON: |  | | Journal (volume) | | 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 |  | | Journal (issue) | | 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 |  | 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 |  | | Journal (volume) | | 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 |  | | Journal (article/letter/editorial) | | vertical succession of pyrite-chalcopyrite-sphalerite-galena-sulphatesiron and manganese oxides is discernable...any sulphide mineralisation. The Florida Islands are a small island group within the Central Province of...Island chain (Fig.l). Block faulting within the Florida Islands exposes an ophiolite suite comprised of... \ ". \X ~ ~ V I~X ISLANDS ' j \ 0\-~~. FLORIDA Is ( "~ \ - ~ Australia L " h . -----------~...in Table I lor, 1974). The host rocks of the Florida Islands ophiolite suite have suffered only very |  | | Report (issue) | | Wales South-Western District • • • • • • • Southern Wales and Welsh Marches District • • • Central and...and South Midlands District • • • • East Anglia and South-Eastern District • • • • Drawing Office • • •...East Midlands District • • • • North-Western District • • • • • • North-Eastern District • • • • • • •...• • Scotland South Lowlands District • • • • • • North Lowlands District • • • • • • Highlands and Islands...• • • • • Hoopern House, Exeter, the new district office for south-west England. 2. Irish Sea project: |  | | Journal (issue) | | not be assumed that they are parallel, in any district, to the main system of folding. The mullion structures...more than 95°/0 ore were classed as a separate group-5. ore rocks. The sedimentaryrocks were classified...9-10-17 6- 7-25 3- 4-23 • • var. quartz • . a group name (see also '' Rocks '') . . a a . a mica...desirable to extract all the cards of the minerals of a group in one operation, or only those of one particular...minerals within a mineral group with the same first two numbers as the group code. 3. Increasing the numbers |  | | Journal (issue) | | 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 • • • • |  | | Report (volume) | | 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 |  | | Report (issue) | | Committee; additional papers were selected by a small group appointed by the Upper Mantle Committee. The Upper... and K. Ono, The submarine geology off San'in district, southern Japan Sea (in Japanese), J. Geol. Soc...obtained from temperature observations in the Mosabani mine. In the Khetri copper belt in the Aravallis, an...field, from the surface to the deepest level in the mine (about 3000 meters), are hornblende schists. This...19651. All observations were taken in the Nandydroog mine, one of the three mines in the gold field. The least-squares |
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