 | Heitt, D. G., Dunbar, W. W., Thompson, T. B., Jackson, R. G. (2003) Geology and Geochemistry of the Deep Star Gold Deposit, Carlin Trend, Nevada. Economic Geology, 98 (6) 1107-1135 doi:10.2113/gsecongeo.98.6.1107 | Journal (article/letter/editorial) | | the Deep Star Gold Deposit, Carlin Trend, Nevada DEAN G. HEITT,† W. WARREN DUNBAR, Newmont Mining Corporation...Creek, Nevada 89815 Abstract Deep Star is a high-grade Carlin-type gold deposit located in the northern...37.8 t (1,217,000 oz) gold with a remaining reserve of 16.0 t (513,698 oz) gold. The deposit is primarily...amount of gold in the Jurassic Goldstrike diorite. Intrusion of the syn- and postore Deep Star rhyolite...age constraint on the local stress regime at Deep Star during mineralization. Essentially horizontal, |  | | Book (edition) | | Leigh McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa...who differ only in the major element present: Ca, K, Mg, Na, or Sr. Older references are unaware of the...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could |  | | Report (issue) | | wA A 7 PROSPECT 15N 02E 27 MU AMOLE DISTRICT BANNER DISTRICT BLUE HELL GROUP 19N 215W 101 35-03-A wA...CUA AG BORIANA MINE 18N 115W 118 34-56-154 113-54-53W CATALINA DISTRICT CATALINA DISTRICT CHILDS-ALOWINKLE...CHILDS-ALOWINKLE HUN CINNABAR MINE 02N I14-19-18w 09 33-32-154A CUPRITE MINI 175 16E 28 31-55-314 110-42-30w CU AG...35 35-25-254 114-10-31W AU AG MO V EMPIRE MINE ESPERANZA MINE GROUP 185 12E SO.31-52-204 111-08-08W PB...35-05-304 113-51-10w CU MU Pd ZN W MO CU LEVIATHAN MINE NE mAHLE AINE GROUP 8AA V MU 045 18w 31 33-02-10N |  | | Book | | Kostomuksha, St.Petersburg, Russia) KOSTOMUKSHA IRON ORE PROVINCE, REPUBLIC OF KARELIA: THE BIGGEST COMPLEX ORE...T.L. (Ouagadougou, Burkina Faso; Moscow, Russia) GOLD MINERALIZATION OF NEW ORE OCCURRENCE AT NOUNGOU...MINERAL RESOURCES AND GIS: A NEW IRON OXIDE COPER GOLD (IOCG) DEPOSIT TYPE IN EASTERN YAKUTIA WITH COMPLEX...COEFFICIENTS OF TRACE ELEMENTS AND ESTIMATION OF GOLD CONTENTS IN HYDROTHERMAL FLUIDS 10:40-11:00: COFEE..., Pystina Yu.I. (Syktyvkar, Russia) THE OZERNOE GOLD-PLATINUM MANIFESTATION (THE POLAR URALS): GEOLOGICAL |  | | Journal (issue) | | both muscovite and biotite as well as quartz and feldspar. We were looking at the southernmost units 4 &...It includes minerals of quartz, biotite mica, feldspar and horneblende. The outcrop shows evidence of...larger outcrop lineated with megacrysts of K Feldspar. The K Feldspar has inclusions of muscovite. Also visible...and similarly overlying polymetallic sulphide and gold mineralization in some areas is ultimately associated...very old rocks make up the northern part of the district, begging questions about where the major rock |  | | Book | | profiles and 500 concise photographs and ar~w·9~~k~;=;: ' . - . . . .. Th is is the uJtimate photograph...minerals. From precious native elements such as silver, gold and copper to complex silicates such as vesuvianite...pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite to the...of Bristol, supplied the specimen photographs of star sapphire (69B) and purpurite (99B). The School of...(bottom), also known for obvious reasons as 'fool's gold'. stone lying there. To start with, they probably |  | | Book | | (101B), doloritic limestone (111T), fulgurite (131B), star sapphire (161B) and purpurite (191B). The School...(bottom), also known for obvious reasons as ‘fool's gold'. and there in the stone you may actually see fossils...picked up on a beach, it is quartz, and yellow feldspar - not surprising that many people have all forged...underground. geological skill as they Copper and gold were first used at hunted and exploited a range...though, it required a real knowledge of German mining engineer Georgius breaks in the rock sequence |  | | Report (volume) | | periods of exploratIon that ultimately led to a mining "boom ll in the 1950 IS. Since I ts meager start...Tallahassee Creek distrIct in Fremont County. Uranium, recoverable by solution mining of Upper Cretaceous...by the Schwartzwal der Mi ne, the largest uranium mine In Colorado. Part 2 contains in the bibliography...occurrence data. Additional sources Included private mIning and exploration companIes working In Colorado,...•••••• •••• ••••• 5. Diagram of in-situ Solution Mining •••••.•••.••••••••••.••.••••.••• 5 6. 7. 0. 9 |  | | Report (issue) | | ......... Carbonate rocks in the Bayhorse mining district..............................................Hobbs.................................... Bayhorse district subterrane.................................................................................... Mining activity......................................................................... Golden Sunbeam mine area.................................................................................... Gold and molybdenum in Douglas-fir and beargrass............. |  | | Journal (article/letter/editorial) | | surrounding region showing the location of Seram (yellow star) on the northern limb of the Banda Arc. Subduction...exhumed lherzolites. Cordierite- and garnet-bearing K-rich dacites erupted on Ambon, named ‘ambonites’ after...and those on Ambon have been dated at c. 3.5 Ma (K–Ar ages, Priem et al., 1978; Honthaas et al., 1999)...the symplectites (Figs 4a,d & 5e). Pyroxene and K-feldspar are absent from the rock. Spinel + quartz (...Total c.p.f.u. Si Ti Zn Al Cr V Fe3+ Fe2+ Mn Mg Ca Na K Sum Oxygens XFe3þ XMg Xalm Xpyr Xsps Xgrs x(g) Garnet |  | | Journal (article/letter/editorial) | | eastern North America from Miami to Maine. Labelled gold diamonds = backstripped wells: a = COST G-1, b =...586-1, k = Shell 587-1, l = Bethany Beach, m = Shell 93-1, n = COST B-3, o = COST GE-1. Gold star = COST...U-Pb and 40 Ar/39 Ar ages of 201 ± 1 Ma, and K-feldspar cements formed from hydrothermal fluids generated...10−6 m2 s−1 , ρm = 3300 kg m−3 , α = 3.28 × 10−5 /◦ K, and T = 1330◦ C. We systematically varied 1 ≤ β ≤...sparsely populated subsidence curves shown in Figs. 5i-k are a result of scant post-Cretaceous stratigraphic |  | | Journal (article/letter/editorial) | | superplasticisers could enhance the stability of the colloids. K E Y WO R D S : colloids, alkaline disturbed zone,...Bromsgrove Sandstone. Mineral component Quartz K feldspar Illite/chlorite/smectite Kaolinite Muscovite...mixed with 10 cm3 liquid scintillation cocktail (Gold Star Multipurpose Liquid scintillation cocktail, Meridian...localized formation of fine microporous secondary C(K)SH reaction products choking the primary intergranular...presence of Ca2+ and non-complexing ions (Na+ and K+) were similar. An alternative M. FELIPE-SOTELO |  | | Journal (article/letter/editorial) | | volcanic centers within the Laramide porphyry copper province to the 29 south of the Kaiparowits Plateau in...collectively termed 268 the Laramide porphyry copper province (Roberts et al. 2005, Lawton and Bradford 2011...explains the higher concentration of quartz and feldspar in the latter. 307 Nevertheless, general comparisons...up to 5% biotite, and between 20 to 322 30% feldspar, plotting as subarkose and lithic arkose, respectively...tentatively attributed to the Laramide porphyry copper province (LPCP) in the Mogollon region of southern 552 |  | | Report (issue) | | Pisgah Forest ! ³ i ! k Etowah ! k ! Stop 3 k ! Flat Rock ! Stop 5 k k k ! Edneyville kFruitland...Hendersonville Stop 4 k Stop 7 k k k ! Stop 1 Saluda k k 0 k k k k 2.5 5 South Carolina...S .C . N.C Henderson County k Biltmore Forest Buncombe County k Stop 6 ! au P dg e l u e R...Pi eE s t es pm en W n er t on m ed Text k Overview and Perspective Geology and Viticulture...western Piedmont physiographic province (Inner Piedmont geologic province) of Polk County, NC, then cross |
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