 | | 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 |  | 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 |  | | 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* |  | | 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 (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 |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | of the eupriferous pyrite type occur within the Florida Islands of the Solomon Islands (Taylor, 1974)....the retention of the exhalative sediments. The Florida Island mineralisa tion is probably of Oligocene...30 m. a.) and the mafic volcanics of the host Florida Islands ophiolite suite have suffered only very...reported as a metasomatie reaction product between hematite and dolomite (Uytenbogaardt and Burke, 1971) or...ions and can exist rectastably in preference to hematite. Other aspects of the mineralogy of the siliceous |  | | 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 |  | | 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: |  | | 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 (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 |  | 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 |  | | Report (issue) | | 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 |  | | Report (issue) | | 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 |  | | Book (volume) | | 74 Ma, M.S. Thesis, University of Miami, Miami, Florida. Wilson, J. T., 1963, A possible origin of the...69°N, 68°W (Clague and Jarrard, 1973a). Another group of linear chains exhibit roughly north-trending...melting). D. Islas Revillagigedos This small island group is located near the intersection of the Clarion...Island lies 400 km to the west. Lavas within this group belong to the alkali olivine basalt association...northwest; a group of roughly westerlyoriented ridges to the southeast; and another group of westerly |  | | Report (volume) | | MAHONEY University of Hawaii, USA PAUL J. WALLACE University of Oregon, USA and ANDREW D. SAUNDERS University...Clearance Center, 27 Congress Street, Salem, MA 01970, USA: the itemfee code for this publication is 0305-8719/04/$15...Bodmin, UK Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA Orders: Tel. +1 918 584-2555...magma petrogenesis from source to surface: platinum-group element evidence from Ontong Java Plateau basalts...96822, USA ^Department of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403-1272, USA 4 Department |
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Florida Mine group, Tombstone Mining District, Cochise County, Arizona, USA