 | | Journal (article/letter/editorial) | | VARIATIONS IN COLUMBITE-GROUP MINERALS FROM GRANITIC PEGMATITES OF THE BRUNSWICK AND OXFORD FIELDS, MAINE: DIFFERENTIAL...FRANCIS Mineralogical Museum, Harvard University, 24 Oxford Street, Cambridge, Massachusetts 02138, U.S.A....field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine, are intruded by numerous...numerous rare-element granitic pegmatites that carry columbite-group minerals (CGM) as the principal (Nb,Ta)-bearing...Ta)-bearing phases. Generally, the CGM from Maine are hosted by pegmatites characterized by a LCT (Li–Cs–Ta) |  | Macdonald, Ray, Bagiński, Bogusław, Kartashov, Pavel M., Zozulya, Dmitry, Dzierżanowski, Piotr, Jokubauskas, Petras (2015) Hydrothermal alteration of a chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction with a F-, CO2-rich fluid. Mineralogy and Petrology, 109 (6) 659-678 doi:10.1007/s00710-015-0394-2 | Journal (article/letter/editorial) | | chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction with a F-, CO2-rich...the chevkinite to a bastnäsite-(Ce)-ilmenite-columbite-(Fe) assemblage through a series of texturally complex...occurrence represents a new paragenesis for a columbite-group mineral. Editorial handling: A. Beran Electronic...documented increases in Ti and reductions in REE and Fe resulting from interaction between chevkinite-(Ce)...degree in Nb and Th) and depleted in Si, REE and Fe compared to the unaltered phase. We now complement |  | | Journal (article/letter/editorial) | | Article Two generations of zoned crystals of columbite-group minerals from granitic aplite–pegmatite...Mamede de Infesta, Portugal ct ed pr Abstract: Columbite-group minerals from dykes and sills composed of...area show different zonation patterns. The beryl–columbite-subtype and lepidolite-subtype pegmatites show...lower Mn/(Mn þ Fe) ratio than the first generation. The second generation is derived from Fe-Ta-rich early...fluids. The overgrowths are derived from Ta-richer and Fe-poorer hydrothermal fluids than the microveinlets |  | | Report (issue) | | beauty are found in Cowee Valley in the Franklin County area of western North Carolina. Many of these...Alamance County ........................................................... 24 24 Alexander County ......Alleghany County ....................................................... 25 Ashe County ............Avery County ............................................................... 25 Buncombe County ......Burke County ............................................................... 26 Cabarrus County ... | | | Report (issue) | | beauty are found in Cowee Valley in the Franklin County area of western North Carolina. Many of these...COUNTIES Alamance County • .' 22 24 24 Alexander County 24 Alleghany County 25 Ashe County • 25 Avery...Avery County 25 Buncombe County 26 Burke County 26 Cabarrus County 27 Caldwell County 27 Caswell...Caswell County 27 Catawba County 28 Chatham County 28 Cherokee County 28 Clay County • • 29 Cleveland...Cleveland County 29 Davidson County • 30 vi Davie County Durham County 31 Franklin County 31 31 |  | | Book (edition) | | AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE •...Langford Lane, Kidlington, Oxford OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008...overgrowth by its darker colour that relates to its higher Fe content and its hexagonal shape, while it is completely...end-member compositions; another example is Mg and Fe in olivine. Crystallographic System & Point Group...to darker brown internal reflections) in a massive Fe-poor sphalerite (orange internal reflections), jordanite |  | | Book | | Environmental Earth Science, Miami University, Oxford, OH, U.S.A. Franco Pirajno, Geological Survey of...account these mineralogical features, these dull black heavy mineral aggregates can successfully be used...Evolution of the Variscides Within the Alpine Mountain Range with Special Reference to Pegmatites .....The Variscan Massifs in the Alpine-Carpathian Mountain Range ..........................................Their Associated Pegmatites in the Swiss Alpine Mountain Range and the External Moldanubian Zone ..... |  | | Book (edition) | | Mexico (#2, column 1) and TENNANTITE, Dresser quarry, Walton, Nova Scotia, Canada (13, column 2). ...sandstone at the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson,...prismatic, up to 2.2 cm long. COLOR-LUSTER: Iron black. Opaque. Metallic , sometimes brilliant. MODE OF...Little Emma mine, Clear Creek County; at the Enterprise n1ine, Dolores County; and at the Double Header lode |  | | Book (volume) | | 198 *210 216 *220 225 *229 231 Fe 0.32 reaJ Rem. A nal. , is Fe 0.32, Si02 0.28. for F2O3 read...Group tabulation, after 2656 Pentlandite for (Fe, Ni)S read (Fe, Ni)9S8. — . . NOTES AND NEWS under Artif...3313 Colusite,for Cu3(Sn,Te,V,As)S4 read Cu3(Sn,Te,Fe,V,- 346 in Ref. 23, for 348 after As)S4. 348...16, 15, 14, 231. Wad, delete (and 5, for Black Forest read Odenwald. for Rhine Province read Westphalia...formula for 762 Zirkelite, for (Ca,Fe,Th,U)(Ti,Zr)206 line read (Ca,Fe,Th,U)2 (Ti,Zr)206. up *706 707 |  | | Journal (issue) | | Contents for September-O ctobe r, 1949 JPS FROM THE QUARRY .................................................CO., PENN. By A. J. Boucot ........492 GILLETTE QUARRY, HADDAM NECK, CONN. By Helen Stobbe ...... 496...AND MIN ERALS 1·- - - , I CHIPS ~-,ROM ~J~HE QUARRY -----------------------------Copy Lost in Mails...Nagous or "Mountain of the Gong" in Arabia. The Arabs tell of weird sounds issuing from this mountain, loud...Dr. Bolton organized an expedition to visit the mountain in 1883. After four days travel through the desert |  | | Journal (article/letter/editorial) | | considered as an area of scientific research of black and white smokers, rather than an area of exploration...information gathered through times on Pb–Zn- and Fe deposits in several monographs in the “Geologische...NaFeSi2O6 (Ce,Ca,Fe)(Ti,Nb)2(O,OH)6 Fe7.6Ni0.4O6.4(OH)9.7Cl1.3 MnS NaAlSi3O8 BeAl2O4 (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH)...XY2Z5(Si, Al, Ti)8O22(OH, F)2 X = K, Na, Y = Fe Ca, Mg, Mn, Zn, Z = Fe, Mn, Al, Ti NaAl(Si2O6)·(H2O) TiO2 SrCe(CO3)2(OH)·(H2O)...SrCe(CO3)2(OH)·(H2O) Al2SiO5 PbSO4 CaSO4 Cu1.75S Ca(Mg, Fe)(CO3)2 Ni3 (AsO4)2.8H2O CaAl2Si2O8 (Na,K)AlSi3O8 | | | Journal (article/letter/editorial) | | considered as an area of scientific research of black and white smokers, rather than an area of exploration...information gathered through times on Pb–Zn- and Fe deposits in several monographs in the “Geologische...NaFeSi2O6 (Ce,Ca,Fe)(Ti,Nb)2(O,OH)6 Fe7.6Ni0.4O6.4(OH)9.7Cl1.3 MnS NaAlSi3O8 BeAl2O4 (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH)...XY2Z5(Si, Al, Ti)8O22(OH, F)2 X = K, Na, Y = Fe Ca, Mg, Mn, Zn, Z = Fe, Mn, Al, Ti NaAl(Si2O6)·(H2O) TiO2 SrCe(CO3)2(OH)·(H2O)...SrCe(CO3)2(OH)·(H2O) Al2SiO5 PbSO4 CaSO4 Cu1.75S Ca(Mg, Fe)(CO3)2 Ni3 (AsO4)2.8H2O CaAl2Si2O8 (Na,K)AlSi3O8 |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Pyromorphite after Galena with Conichalcite Gold, Round Mountain Mine Quartz, Lovelock area Acanthite Grossular...Almandine-Spessartine Annabergite Gypsum Quartz, Petersen Mountain Heterogenite Quartz (amethyst), faceted Arsenolite |  | | Report (issue) | | and colorless Red, orange, green, blue, brown and black are rarer crystals common. shades. 3.5. 10 G Isometric...cleavage, unsuitable for gems. Carbonado is a hard black variety without cleavage. Diamonds were foirnd...observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...have only been found in placer gravels and in "black sands" and concentrates of placer mines. Presumably...short articles on California diamonds. A Amador County: few small stones have been picked up near the |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered...parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite nodules up to |  | | Book (edition) | | Calcite, Red Zincite, Pale Green Willemite and Blue-black Franklinite. Same Specimen as above in Ultraviolet...as a 78 PHYSICAL MINERALOGY result, give a black or very dark streak (see p. 79). Galena, pyrite...brass-yellow of chalcopyrite, the blue-gray of galena, the black of magnetite, and the green of mala clute are example...its color from white through yellow and brown to black. The minerals of the amphibole gr011,p show a similar...amounts of iron, range i n color from green to black. Again, a mineral may show a wide range of color |  | | Book | | vibrations (grey line) and its second derivative (black line). The positions of Gaussian components for...with 5 edges shared per MnO6 octahedron VI 2+ 3+ Fe –O 450–500 Octahedron Sb3+–O 460–560 Valentinite...610–620 Isolated octahedron V VI Zr–O IV 3+ Fe –O 610–660 Tetrahedron VI W6+–O 615–815 Octahedron...the electric vector E ⊥ c (grey line) and E ∥ c (black line) (left) and schematic representation of the...manaksite water preferably occupies unit cells in which Fe or Mn are substituted with calcium that is present |  | | Book (edition) | | anthracite region 10. Structure section in Tazewell County, east of Richlands, southwest 8. 9. 12. 13. ...asphalt . showing cleavage and bedding in slate quarry with cleavage parallel to bedding Map showing distribution...grahamite fissure to anticlinal fold, in Ritchie County, W. Va Plan of Trinidad pitch lake Section of gilsonite...formations of Arkansas Volcanic ash from Madison County, Mont Section showing occurrence of corundum around...areas of barite Bennett barite mine, Pittsylvania County, Va. Map of barite veins near Lexington, 109 | | | Book (edition) | | Light Showing White Calcite, Red Zincite, and Blue-black Franklinite. Specimen as above in Ultraviolet...quantitative in the determination Boron Carbide Black Silicon Carbide 19.7 14.0 of hardness. Moreover...as a 78 PHYSICAL MINERALOGY wesult, give a black or very dark streak (see p. 79). Galena, pyrite...brass-yellow of chalcopyrite, the blue-gray of galena, the black of magnetite, and the green of malachite are examples...its ¢olor-from white through yellow and brown to black. The minerals of the amphibole group show a similar |  | | Book (edition) | | concerning them. Yet anyone who has climbed a mountain, walked on a sea beach, or worked in a garden...in their natural occurrence. The rocks of the mountain, the sand on the beach, and the soil in Even...cathode rays in sealed discharge tubes wrapped in black paper. The electron stream in the discharge tube...Alexander, Clarendon New York, 1970. Press, Oxford, 1963. X-ray Diffraction Procedures for Polycrystalline...quite opaque to light and, as a result, give a black or very dark streak (see page 138). Galena, pyrite |  | | Book (edition) | | Calcite, Red Zincite, Pale Green Willemite· and B lue-black Franklinite. Fluorescent Specimen from F r anklin...concerning them. Yet anyone who has climbed a mountain , walked on a sea beach, or worked in a garden...in their natural occurrence. The rocks of the mountain, the sand on the beach, and the soil in the garden...cathode rays in sealed discharge tubes wrapped in black paper. The electron stream in the discharge tube...Bunn, Chemical crystallography . Clarendon Press, Oxford , 1946. Chapters 5 and 6 deal with t he powder |  | | Book (edition) | | 103 107 111 113 115 117 123 TED AC ERC VSCE MET fe ei hee. See ere et ARES &hielaats 5 Gre Mle s S SOE...Vernitculiteby JoJeSchoemani andiA, J) Mu Brabersesmaiiss fe cad Q deadvetotnshh LO Bnd oe 369 373 375 377 381... TEXT FIGURES Page paleo aiueco. minerals GUID Fe NelOd 100K 197 at, ints wcieaiusiticunaale +oss antheed...Distribution of gold produced in the Barberton Mountain Land..............ccccceceeeuceeeees Vd Locality...OOS| OOSE aed 8 8 ONY Y3ATISSe 8vt D (Vv) an) fe) 3 wets f | 7 LE 2 Soe ‘clk = SS6I KX G26| |  | | Journal (volume) | | California OF MlNE&siTY of AV,S RY I ( 59 Amador County, IRY BUILDING, 9 LIBRARY STATE OF CALIFORNIA...Symons and 59 Mines and Mineral Resources of Amador County, California, by 149 Denton W. Carlson and William...William B. Clark Plate Plate 1. Map of Amador County showing mines and mineral (7) resources In pocket...whatever kind or character, whether underground, quarry, pit, well, spring, or other source from which...for the State as a whole and separately for each county, the total of each mineral produced therein, provided |  | | Book (edition) | | K Na 1.8 1.3 Fe 5.00 Ca 1.0 Ca Na 3.63 Si 0.9 2.83 Al 0.5 K 2.59 Fe 0.4 Mg 2.09 Mg...MnO MgO 60.09 79.90 101.96 71.85 159.70 AIA FeO Fe 2 3 CaO O 70.94 40.31 61.99 94.20 18.02 38.00...00 in A 1.40 K >J 1.33 Ca Na 2 Mn Fe Fe 2+ 2 4 0.99 Mg + Na + 0.80 0.74 3 Al 3 ^...ball-and-stick representations. Approximately 25 black-and-white mineral photographs have been added to...Ca-Mg-carbonate. It may contain considerable amounts of Fe and Mn in place of Mg. Because these amounts vary |  | | Book (edition) | | Ca-/v\g-carbonate. It may contain considerable arnounts of Fe and ,~v1n in place of !v'\g. Because these amounts...more general expression for dolomite as: Ca(IV\g, Fe, Mn) (CO3) 2 • .An ordered atomic arrangement indicates...civilization . Natural pig~ ments made of red hematite and black rnanganese oxide were used in cave paintings by...cornpatible \-vith these syrnrnetries w ill have very fe\,v, if any, constraints. The unit cell shape cornpatible...aragonite (group) barite (group) brookite chrysoberyl columbite cordierite danburite enstatite (and other orthopyroxenes) |
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