 | Dominy, , Glass, , O’Connor, , Lam, , Purevgerel, (2019) Integrating the Theory of Sampling into Underground Mine Grade Control Strategies: Case Studies from Gold Operations. Minerals, 9 (4) 238 doi:10.3390/min9040238 | Journal (article/letter/editorial) | | Integrating the Theory of Sampling into Underground Mine Grade Control Strategies: Case Studies from Gold...generally yield a positive bias due to over-sampling of quartz vein material, is discussed. Keywords: gold mineralisation;...1.1. Rationale for this Contribution Underground mine grade control aims to deliver quality tonnes to...grade control samples relates to the following: mine development ore/waste decisions; investigation of...(production <250,000 t per annum) and some large mine operations rely on face samples for grade control |  | | Report (issue) | | B ATLANTIC CITY GOLD MINING DISTRICT Frelllont County BY L. W. TRUMBULL. STATE GEOLOGIST CHEYENNE...Lander Oil Fields, Fremont County. 1912. The Douglas Oil Field, Converse County. 1912. Muddy Creek Oil Field...Field, Carbon County. 1912. Prospective Oil Fields at Upton, Lusk, Rattlesnake and LaBarge. 1913. Minerals...Mining District. 1914. Salt Creek Oil Field, Natrona County. 1914. Address L. W. TRUMBULL, State Geologist...off the remainder. The survivors returned to the mine July £8th and remained over winter. They succeeded |  | | Journal (article/letter/editorial) | | at the Aitik Deposit, Gällivare Area, Northern Sweden C. Wanhainen, M. Kontturi and O. Martinsson Aitik...copper and 0·22 ppm gold. It is situated in northern Sweden in 1·9 Ga Svecofennian, metamorphosed volcanic...schist that is strongly K-feldspar, epidote and quartz altered. Another ‘gold-rich’ area (> 0·6 ppm Au)...up The Aitik mine is one of the largest producers of copper and gold in Europe. The mine is situated 15...southeast of Gällivare in northern-most Sweden (Fig. 1). The open-pit mine was opened in 1968 with an annual |  | | Report (volume) | | Area Near the Popo Agie Primitive Area, Fremont County, Wyoming By ROBERT C. PEARSON, U.S. GEOLOGICAL..._________ Quartz diorite of the Louis Lake batholith _________________ Porphyritic quartz monzonite ..._________________________ Biotite quartz monzonite ___________________________ Diabase _____________...Rennecker Peak ________________________________ Christina Lake __________________________________ References...AREA NEAR THE POPO AGIE PRIMITIVE AREA, FREMONT COUNTY, WYOMING By ROBERT C. PEARSON, U.S. Geological |  | | Journal (article/letter/editorial) | | Technical University] at 17:34 19 October 2014 CHRISTINA SEIFERT TU Bergakademie Freiberg Ausstellung terra...collections of the TU Bergakademie Freiberg. Christina Seifert is responsible for the museum educational...Pyrargyrite, 2.8 cm high, Churprinz Friedrich August mine, Großschirma, near Freiberg, Saxony, Germany. Jeff...from Schneeberg/Saxony, zinnwaldite with smoky quartz from Zinnwald, and native mercury from Landsberg...Figure 6. Erythrite, 2.1 cm high, Siebenschlehen mine, Schneeberg, Saxony, Germany. Jeff Scovil photo |  | | Report (issue) | | clusters of large roll-front uranium deposits in Weld County, Colorado are in the Cretaceous Fox Hills Formation... and in Shirley Basin (Harshman, 1972), Carbon County; and (3) the Eocene Battlesprings Formation in...Fremont County, and in the Sweetwater Mine area (Sherborne and others, 1980), Sweetwater County, both in...River Formation in the Hauber-New Haven mine area, Crook County, Wyoming (Hausel and others, 1990). Roll-front...(Staub and others, 1986) in Bison Basin, Fremont County, Wyoming; (4) the Eocene Galisteo Formation in |  | | Report (volume) | | .......... The Atlantic gold district, Fremont County, Wyo........................... Introduction......................... 2. Map of part of Fremont County, Wyo., showing situation of the Atlantic gold district... Miners Delight, and Atlantic City, in Fremont County, and of parts of the North Laramie Mountains, in...estimates vary up to nearly $6,000,000. No large mine has been developed in the district, however, and...occur in schists of pre-Cambrian age, partly with quartz in distinct fissures and partly as tabular or lenticular |  | | Journal (article/letter/editorial) | | Proterozoic granite pegmatites in north-central Sweden STEN-ANDERS SMEDS Institute of Earth Sciences,...University, Norbyvligen 18 B, S-75236 Uppsala, Sweden Abstract Herzenbergite, SnS, was found in dykes...three granite pegmatite fields in north-central Sweden. It occurs as erratic replacements of cassiterite...herzenbergite, cassiterite, lithium pegmatites, Sweden. Introduction Occurrence HERZEN~ERGITE, the Sn...Candelaria, Bolivia (Moh, 1969), at Bjrrkskogsnas, Sweden (Burke and Zakrzewski, 1990), and associated with |  | Wanhainen, Christina, Billström, Kjell, Martinsson, Olof, Stein, Holly, Nordin, Roger (2005) 160 Ma of magmatic/hydrothermal and metamorphic activity in the Gällivare area: Re–Os dating of molybdenite and U–Pb dating of titanite from the Aitik Cu–Au–Ag deposit, northern Sweden. Mineralium Deposita, 40 (4) 435-447 doi:10.1007/s00126-005-0006-x | Journal (article/letter/editorial) | | DOI 10.1007/s00126-005-0006-x A RT I C L E Christina Wanhainen Æ Kjell Billström Olof Martinsson Æ...titanite from the Aitik Cu–Au–Ag deposit, northern Sweden Received: 25 May 2005 / Accepted: 17 June 2005...rocks to the Aitik Cu–Au–Ag deposit in northern Sweden are strongly altered and deformed Early Proterozoic...dating of molybdenite from deformed barite and quartz veins yielded ages of 1,876±10 Ma and 1,848±8 Ma...Luleå University of Technology, 97187 Luleå, Sweden E-mail: christina.wanhainen@ltu.se Tel.: +46-920-492401 |  | | Journal (article/letter/editorial) | | CATALOGUE OF MASSACHUSETTS GEMSTONES HAMPSHIRE COUNTY 8y RALPH GOSSE P.O. Box 5351, Albany, N. Y. 12205...are ID<:ated within t~e bound.anes of Hampshire County, situated in ~e western half of the. state. The...all of the recorded gemstone 10Ga;htles of the county from the very earliest recorded ones to the . ...o~fully accurate form. Not being a nat.lve of the county or even the state the wr.ter is at a disadvantage...-------..---------- ? Southampton, Loudville Lead Mine.... Narrow veins as lead ore gangue showing fortification |  | | Journal (issue) | | Bold. Beautiful. Beloved. 17 Alumni Profile: Christina Fandino GIA’s campus in Carlsbad is accredited...Whether exploring Malagasy jungles or San Diego County riverbeds, retired Master Gunnery Sergeant Manuel...Australian opal broker. He introduced me to the mine to market concept, and to many people along that...notable blue diamonds have been found at the Cullinan Mine in South Africa. The Hope Diamond, a 45.52 ct Fancy...Overview: Amethyst is the purple variety of the mineral quartz. It’s the gem most commonly associated with the |  | | Report (issue) | | LG001 Site name(s): Troublesome Creek Site type: Mine ARDFno.: LG001 Latitude: 65.506 Quadrangle: LGC-6...accuracy: Cobb (1972, MF-413), loc. 62. This placer mine is along Troublesome Creek, just below the mouth... LG002 Site name(s): Gunnison Creek Site type: Mine ARDFno.: LG002 Latitude: 65.45 Quadrangle: LGB-6...Fairbanks Meridian. The coordinates given are for the mine marked on the Livengood (B-6) quadrangle along Gunnison...(between Green Gulch and Eldorado Creek) Site type: Mine ARDFno.: LG004 Quadrangle: LGB-6 Latitude: 65.363 |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00126-003-0363-2 A RT I C L E Christina Wanhainen Æ Curt Broman Æ Olof Martinsson The...The Aitik Cu–Au–Ag deposit in northern Sweden: a product of high salinity fluids Received: 20 May 2001...The Aitik Cu–Au–Ag deposit is located in northern Sweden and is hosted by strongly deformed 1.9 Ga Svecofennian...feldspar–biotite–amphibole gneiss and porphyritic quartz monzodiorite. The deposit has been affected by...inclusions in six samples of copper-mineralized quartz veins record the presence of three different fluid |  | | Report (issue) | | NORTHERN AND CENTRAL COASTAL AREA OF NEW CASTLE COUNTY, DELAWARE By Martha A. Hayes, Scott W. Phillips...the thickness of the Holocene silt between the Christina River and Red Lion Creek .......................Table 1. Hydrostratigraphy of central New Castle County, Delaware...... 2. Ground-water withdrawals, by...water-use category, in northern and central New Castle County, Delaware, 1985 and 1990...... 3. Annual ground-water...water users in northern and central New Castle County, Delaware, 1988-93............................ |  | | Journal (article/letter/editorial) | | Differentiating dilution and retention processes in mine effluent remediation within a natural wetland on...Casas, Joan de Pablo, and Jordi Bruno 1284 Acid mine drainage in the Iberian Pyrite Belt (Odiel river...isotope geochemistry and formation mechanisms of quartz veins; extreme paleoaltitudes of the Central Alps...Cu2HgPb22Sb28S64(O,S)2, a new sulfosalt from Buca della Vena mine, Apuan Alps: Definition and crystal structure—P...Galy, and Mike Bickle Copper deposition during quartz dissolution by cooling magmatic-hydrothermal fluids: |  | | Journal (issue) | | research (Bob is owner of the Palermo Pegmatite Mine). The trip, organized by an international group...Prize: Winner: Tom Shevenell. Galena from the Tri-County Area/Missouri. Donated by Greg Kirby. Second Prize:...Prize: Winner: Suzanne Wall. Double-terminated quartz septer/Exit 5 - Route 93 in Londonderry, NH. Donated...distributors, and collectors can buy, sell, or swap beryl, quartz crystals, semi-precious stones, and rocks and minerals...are now abandoned, although one, the Beauregard mine, is available to mineral clubs through prior arrangement |  | | Journal (article/letter/editorial) | | well as the exogranitic, sediment-hosted Rooiberg mine, and is dominated APPLIED EARTH SCIENCE by polymetallic... Small hydrothermal zircons trapped along vein quartz growth zones from the Spoedwel deposit yield a...d (IOCG) provinces in, for example, Brazil and Sweden. An IOCG footprint in the Bushveld granites would...Goodenoughc, Anouk Bourstd, Adrian Finchd and Christina Villanova de Benaventa a School of Environment |  | | Journal (article/letter/editorial) | | the pebbles we found red jasper, brownish quartz, milky quartz, whitish chalcedony, black basanite, gray...massive smoky quartz which is stained green by green malachite. COLORADO — "At the Longfellow mine in Red Mountain...tractor has scraped and turned over many schists and quartz rocks which contain kyanite xls and ilmenite. P...the Gulf of Mexico. Key West is the county seat of Monroe County. The name, Key West, is said to be a...fossilized coral. GEORGIA — "I am enclosing some quartz crystals with inclusions. Please identify these |  | | Journal (article/letter/editorial) | | 451 AMERICAN MINERALOGIST Manganese removal from mine waters—investigating the occurrence and importance...mineralogical controls on mine drainage of the abandoned Ervedosa tin mine in north-eastern Portugal—M...mapping of the Platreef at the Zwartfontein South mine: implications for the timing of magmatic events...Special Issue on mineralogy and Geochemistry of Acid Mine Drainage and Metalliferous Minewastes—David J. Vaughan...analysis of secondary minerals formed in tungsten-mine tailings with an emphasis on arsenopyrite oxidation—B |  | | Journal (issue) | | "Our home at Windy Point. My parents John and Christina Benson and myself (Margaret)." Photo by Nils Tycho...Benson (Mortensen) wrote on the back: "My mother Christina Benson and Grandma Colley and myself in our yard...rang, and mills thumped. The wind played among the mine headframes, making them moan. An article in the...at the Ramona mine on the southwestern slope of Bull Hill, next to the War Eagle mine. A later report...report revealed the shaft at the Happy Year mine, straight as a straw, had reached a depth of 350 feet by |  | | Journal (article/letter/editorial) | | Waterberg deposit: Why South Africa’s first platinum mine failed—Iain McDonald and Marian Tredoux 243 252...AMERICAN MINERALOGIST Vol. 90, No. 10, 2005 Metals in quartz-hosted melt inclusions: Natural facts and experimental...composition of the Berkeley pit lake and surrounding mine waters, Butte, Montana— Damon A. Pellicori, Christopher...2005 Special Issue on Metals in the Environment and Mine Wastes— D. Paktunc and R.F. Martin A 133Cs, 29Si...mineralogical zoning of high-sulfide mine-waste at the Berikul mine-site, Kemerovo region, Russia—N.V. |  | Wanhainen, Christina, Nigatu, Wondowossen, Selby, David, McLeod, Claire, Nordin, Roger, Bolin, Nils-Johan (2014) The Distribution, Character, and Rhenium Content of Molybdenite in the Aitik Cu-Au-Ag-(Mo) Deposit and Its Southern Extension in the Northern Norrbotten Ore District, Northern Sweden. Minerals, 4 (4) 788-814 doi:10.3390/min4040788 | Journal (article/letter/editorial) | | Northern Norrbotten Ore District, Northern Sweden Christina Wanhainen 1,*, Wondowossen Nigatu 2, David...87 Luleå, Sweden Gunnarn Exploration AB, Blåvagen 207 Box 149, SE 923 23 Storuman, Sweden; E-Mail: w...Department, Boliden Mineral AB, SE 936 81 Boliden, Sweden; E-Mail: roger.nordin@boliden.com Division of Process...Technology, Boliden Mineral AB, SE 936 81 Boliden, Sweden; E-Mail: nils-johan.bolin@boliden.com * Author...molybdenite-bearing rocks are the mica schists, the quartz-monzodiorite, and the Salmijärvi biotite-amphibole |  | | Journal (issue) | | specimen from the Spanish Dry Diggings, Eldorado County, California, and a little of its history ........EUCLASE with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See...very rare loose crystal. Ossining, Westchester County, New York. wckport, New York. Ex. Coll. : New...DENVER MART EXPO HALL ROOMJ53 BARITE 20.3 CM XIEFANG MINE , GANZHOU PREFECTURE , JIANGXI PROVINCE , CHINA...beautiful specimens of Schemnitz scepter and skeletal quartz, drusy amethyst, wire silver, acanthite, pyrargyrite |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00126-005-0003-0 A RT I C L E Christina Lundmark Æ Holly Stein Æ Pär Weihed The geology...porphyry-style deposit in the Jokkmokk granitoid, northern Sweden Received: 1 May 2005 / Accepted: 7 June 2005 /...palaeoboundary within the Fennoscandian shield of northern Sweden. The Skellefte VMS district lies immediately to...within the Jokkmokk granitoid and includes stockwork quartz-sulphide veinlets and disseminated chalcopyrite...Luleå University of Technology, 971 87 Luleå, Sweden E-mail: christina.lundmark@ltu.se H. Stein AIRIE |  | | Journal (article/letter/editorial) | | responsible for tungsten mineralization at Takatori mine, Japan—Kyoko Masukawa, Yoshiro Nishio, and Ken-ichiro...uranium-mineralizing brines: Isotopic and trace element study of quartz-dolomite veins in the Athabasca system—Antonin...France-Lanord 38 Selective copper diffusion into quartz-hosted vapor inclusions: Evidence from other host...of the Hongge Fe-Ti-V oxide deposit, SW China—Christina Yan Wang and Mei-Fu Zhou 675 687 697 729 749...and genesis of the Qianfanling quartz-vein Mo deposit in Songxian County, Western Henan Province, China— |
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