 | | Report (issue) | | 1960) and in the Barringer Hill pegmatite, Llano County, Texas, U.S.A (Marble, 1940). Manganoan varieties...1972); also from pegmatites at Ragged Peak, Tuolumne County, California, U.S.A (Hutton, 1951 a) and at Chari...(Hentschel, 1964); lnishcrone, County Sligo, Eire; from Scawt Hill and Carneal, County Antrim, Northern Ireland...1963); Commercial Quarry, Crestmore, Riverside County, 6 Himmelleitenbruch, near Rossbach, southern...and Bluebell mines, Tintic mining district, Juab County, Utah, U.S.A (Means, 1916); in greisenised granites |  | | Report (issue) | | Fifield area (New South Wales), and Yubdo (Ethiopia). Lower grade placer deposits related to ophiolite complexes...mat surface, and have an overlying layer of the lower grade pulp. Use of “wash dirt” or cleaner sand to...quickly consumes these standards. Custom standards of lower cost and higher volume can also be made from a variety...Hexaferrum Hollingworthite Hongshiite Inaglyite Insizwaite Irarsite Iridarsenite Iridium Isoferroplatinum...Polarite Sobolevskite Urvansevite Crerarite-? Insizwaite Maslovite Palladodymite-? Cu Cuproiridsite |  | | Report (issue) | | the tailings impoundment. The buildings in the lower left include the shaft, the mill complex, and offices...Pb, and Sn) Atokite Pd3Sn Froodite PdBi2 Insizwaite PtBi2 Rustenburgite Pt3Sn Calcite CaCO3...sulfide liquids and the resulting ores will have lower concentrations of PGEs. If the sulfide liquid effectively...disseminated magmatic sulfide minerals found near the lower contact or margin of mafic to ultramafic layered...pyroxenite, norite, and gabbro are found near the lower contact of the complex with metasedimentary rocks |  | | Book | | organic-rich black shales of the Zechstein deposits in Poland [2] as well as from several chromitites associated...Platinum-group metals in the Zechstein copper deposits, Poland. Econ. Geol. 1982, 77, 1578–1591. [CrossRef] Oberthür...(~1100 ◦ C), and the solidus of chromite as the lower limit (see arrow T1 in Figure 5). However, some...absent, indicating precipitation of the PGM at lower sulfur fugacity compared with Kempirsai and Ray–Iz...chromitites remain confined to Os concentrations lower than about 10 at%, therefore indicating crystallization |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...central United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado... California, etc. At Jordan6w Slcl5ki, Lower Silesia, Poland. The oldest known deposits of white nephrite...Plat., Malawi, G 10 17 River Formation in Uintah County, Utah. Deer et al., v. 2A,483, 1997. Aenigmatite |  | | Book | | mineral assemblage) that cannot be mined because of lower grade or other reasons. CHAPTER 1 2 Identified...virgin territories of uncertain potential, for lower and lower grades of ore at greater and greater depths... HF, H2) - are generated by partial melting of lower crustal or upper mantle material. It is generally...granitic magmas generated by partia melting of lower crustal rocks are likely to be more hydrous and...wt%, with a median value close to 3.0 wt%. The lower limit is set by pressure-temperature projections |  | | Report (issue) | | Photograph of the Mountain Pass Mine in San Bernardino County, California, which was the only active producer...management issues related to mining larger deposits for lower ore grade; water-management issues related to both...the ore minerals have been removed) and deposited lower in the stream valley, had near neutral pH, and the...Creek (Ottawa County) 6 Oklahoma OKD980629844 1900 n.a. 1967 9/8/1983 Cherokee County 7 Kansas...Madison County Mines 7 Missouri MOD098633415 1840 n.a. Historical 9/29/2003 Newton County Mine Tailings |  | | Book | | być polkowicyt od złoża i kopalni rud miedzi Polkowice na Dolnym Śląsku. Niekiedy naZ\vy minerałów wywodzą...inesite ingersonite ingodite incaite innelite insizwaite intersilite inyoite iowaite iquiqueite iraqite-(La) |  | | Book | | core-mantle boundary or the transition zone between the lower and upper mantle. These masses of hot mantle rock...Alloys of Ir, Ru and Os will have solubilities lower than the pure metal solubilities shown, so that...sulfide at high fS2, whereas Fe-poor magmas will have lower fS2 at sulfide saturation. The upshot of all of...systems with lower values of R, the PGE tenors in the sulfide liquid will be much lower, and the silicate...isenthalpically, sulfide saturation is reached at a lower concentration due to the effects of added SiO2 and |
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