 | | Book | | William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature. One...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and Chamberlain, 1982), with ilmenite...during the 1970s (see this entry for Actinolite, Fluorapatite, Prehnite, Pumpellyite). Ilmenite was found...of Amsteg, subordinate drainages running south to Val Caverdiras; ilmenite rose-bearing clefts are found |  | | Journal (article/letter/editorial) | | the Brunswick pegmatite field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine...characteristics (e.g., Topsham area of the Brunswick pegmatite field). Significant chemical-compositional and...Brunswick and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist...The structural state of CGM from the Brunswick pegmatite field ranges from highly cation-disordered to...predominantly highly ordered CGM in the Oxford pegmatite field. Limited concurrent fractionation of Mn |  | | Journal (issue) | | Allen, J. C. Blankenship and W. B. Simmons Fluorapatite from the King Lithia mine, Custer County, South...Paces and A. P. Ruotsala Departments Notes from Italy by G. Porcellini .................................36 Deepwood Crescent Don Mills, Ontario M3C 1N8 Italy: Renato Pagano Via S. Anna 1/B I-34074 Monfalcone...single species: pyromorphite. Only a handful of occurrences worldwide are recognized as classic localities...the upper levels it can cover the entire vein thickness, measuring up to 2 m. Galena occurrences are |  | | Journal (issue) | | the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary, Yugoslavia, Romania, Ceylon...in the 1990s, beautiful blue, purple and pink fluorapatite, the world’s finest bertrandite crystals and...with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known |  | | Journal (article/letter/editorial) | | One of the fl. minerals seen frequently on the pegmatite dumps in Conn, and elsewhere is a variety of apatite...the heading fluorapatite. The term manganapatite is synonymous with mangan-fluorapatite. My own conclusion...apatite, var. mangan-fluorapatite or manganapatite. To call the material fluorapatite is insufficient. The...midway between spessartite and almandite. The pegmatite at Branchville, Conn. gives manganapatite with...minerals. Next time your collecting takes you to a pegmatite watch for the blue-green material assoc. with |  | | Journal (article/letter/editorial) | | MINERALOGY OF AN EVOLVED DICKINSON COUNTY, MICHIGAN, PEGMATITE. T. W. Buchholz1, A. U. Falster 2, W. B. Simmons2...approximately ninety known pegmatite occurrences in central Dickinson County in the Upper Peninsula of Michigan...Michigan. A small beryl-rich pegmatite was investigated to describe its mineralogy and determine its degree...degree of geochemical evolution. The pegmatite is emplaced in Lower Proterozoic metamorphic rocks of the...probable that the pegmatite is late- to post-Penokean in age. Local control for pegmatite emplacement appears |  | D’yachkov, Boris A., Bissatova, Ainel Y., Mizernaya, Marina A., Khromykh, Sergey V., Oitseva, Tatiana A., Kuzmina, Oxana N., Zimanovskaya, Natalya A., Aitbayeva, Saltanat S. (2021) Mineralogical Tracers of Gold and Rare-Metal Mineralization in Eastern Kazakhstan. Minerals, 11 (3) 253 doi:10.3390/min11030253 | Journal (article/letter/editorial) | | gravity and flotation methods. Multistage raremetal pegmatite mineralization can be predicted from the presence...such elements as Ta, Nb, Be, Li, Cs, and Sn. Pegmatite veins bear diverse Ta minerals (columbite, tantalite-columbite...rare metals late during the evolution of the pegmatite magmatic system. The discovered mineralogical...Numbers 1 to 11 are gold (1–9) and pegmatite (10,11) deposits and occurrences (see legend). The Great Altai...Altai metallogenic province comprises four parallel NW ore zones with their main mineralization types that |  | | Journal (article/letter/editorial) | | phoshate mineral associations of the Tsaobismund pegmatite, Namibia Andr6-Mathieu Fransolet l, Paul Keller...phosphate minerals occurring in the Tsaobismund pegmatite. This investigation is complemented by wet chemical...processes have been recognized in the Tsaobismund pegmatite: (i) the Mason-Quensel sequence results from a...barbosalite and tavorite; (iv) the formation of fluorapatite, not particularly widespread, replaces alluaudite-Na[]...geological setting (Gevers 1963; Smith 1965), with occurrences of valuable minerals (Reuning 1923; Gevers and |  | | Journal (article/letter/editorial) | | columbite–tantalite in the beryl–columbite Šejby granitic pegmatite, Czech Republic: role of crystal-structural constraints...cz Corresponding author The simply zoned Šejby pegmatite of beryl–columbite subtype is enclosed in migmatitized...trends, Nb–Ta and Fe–Mn fractionation, granitic pegmatite Received: 22 February, 2018; accepted: 27 August...is long overdue. Simply zoned beryl–columbite pegmatite from Šejby near Nové Hrady, southern Bohemia,...Šejby beryl–columbite-subtype pegmatite. 2. Regional geology and pegmatite characterization Leucogranites |  | Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals, 9 (12) 739 doi:10.3390/min9120739 | Journal (article/letter/editorial) | | Abstract: In Central Galicia, there are occurrences of barren and Li–Sn–Ta-bearing pegmatites hosted...(barren) and Li–Sn–Ta mineralized Presqueira pegmatite are established in this study. K-feldspar and...the lowest P contents. The barren bodies show fluorapatite and eosphorite–childrenite replacing early silicates...primary phosphates (fluorapatite and montebrasite), a metasomatic paragenesis (fluorapatite and goyazite) replacing...Li–Sn–Ta mineralized pegmatite. In both barren and mineralized bodies, the pegmatite-derived fluids that |  | | Book (volume) | | permission of the publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen)...California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...towns, counties, and districts in each state and province arranged alphabetically; with an appendix, containing...associated species related to their individual occurrences, and unique scientific information may be derived...most collectors, unaware of this fact, simply put "Mt. Apatite" on the label when it is much more significant |  | | Journal (issue) | | 28 million Troy ounces or about 900 metric tons (mt) of silver (Weed, 1912). The silver panic of 1892–93...same year would see the Anaconda produce about 7,300 mt of oxidized silver ore, grading 930 gm per ton in... 1957) Between 1882 and 1884 Daly shipped 34,000 mt of ore to Wales. It averaged an incredible 45% copper...smelter was completed. This facility, known as the “Upper Works,” was capable of treating 910 mtpd. A brief...fed directly to the roasting furnaces. After the Upper Works were destroyed by fire in 1889 (an all too |  | | Journal (article/letter/editorial) | | CLASSIC PEGMATITE OCCURRENCES IN Delaware County, Pennsylvania JOSEPH J . PETERS Department of Mineral...having produced outstanding specimens: Leiper's Upper and Lower Avondale quarries, Avondale; Leiper's...erected several mills for the manufac ture of snuff. Upper Avondale quarry (Figure 5), one mile south of Swarthmore...1984 109 Figure 2: Location map of selected pegmatite quarries in Delaware County, Pennsylvania, adapted...Ridley and Nether Provi dence townships. Leiper's Upper (2) and Lower (3) Avondale quarries were located |  | | Journal (article/letter/editorial) | | 15:414-15. Short but informative description of Mt. Newry and Black Mt., the specimens found as well as description...description of chrysoberyl crystals from Ragged Jack Mt., Hartford. . 1941. New England Notes. Rocks and Minerals...New England Notes. Rocks and Minerals 17:24, 29. Mt. Apatite, Auburn: report of find of several spe...not list them. Bryant, S. J . 1960. Fluorescing pegmatite in Maine. Rocks and Minerals 35:217-19. Unexplicably...material in mine fluo resces in different colors at the Mt. Rubellite mine near Heb ron, Oxford County. Buckley |  | | Journal (issue) | | Miguel Calvo Zaragoza, Spain Renato Pagano Milan, Italy Joe Polityka Staten Island, NY Jeffrey A. Scovil...strong interests, and he had knowledge he wished to pass on to others. He served as President of the Mineralogical...Wales, Australia.9 None of these subsequent occurrences have yielded specimens that can come close to...Jr. (1879–1951)46 in Los Angeles. He was then to pass it on to their Los Angeles gemstone outlet, jeweler...which had been described from the Narss rssuk pegmatite in Greenland by Gustav Flink.37 Eacret and the |  | Chiarenzelli, Jeffrey, Lupulescu, Marian, Robinson, George, Bailey, David, Singer, Jared (2019) Age and Origin of Silicocarbonate Pegmatites of the Adirondack Region. Minerals, 9 (9) 508 doi:10.3390/min9090508 | Journal (article/letter/editorial) | | Silicocarbonate pegmatites from the southern Grenville Province have provided exceptionally large crystal specimens...collapse, voluminous leucogranite and granitic pegmatite intrusion, iron and garnet ore development, and...represent a continuum between vein-dyke and skarn occurrences involving the anatexis of metasedimentary country...shear zone. Keywords: silicocarbonate; Grenville Province; Adirondack Mountains; Carthage-Colton shear zone;...and Geological Setting The southern Grenville Province (Figure 1) contains important mineral localities |  | | Book | | descriptions of properties or with listings of occurrences has not been included because of the availability.... . . . 165 180 182 Chapter 5: RADIOACTIVE PEGMATITE DEPOSITS Geological Characteristics of Pegmatites.... . . . . . . . . . . . . . . Basin and Range Province . . . . . . . . . . . . . . . . . . . . . . ....483 486 Contents xiv Other United States Occurrences . . . . . . . . . . . . . . . . . . . . . . ...thorium, which aTe strongly concentrated in the upper lithosphere, are markedly oxyphile elements occwTing |  | | Book | | Roland Bouhelier in 1973 from the "Bouhelier pegmatite", and shortly thereafter acquired by the Canadian...scale, countless scientifically interesting occurrences. No other locality in the cou;ntry, however,...concerning the origin of the Monteregian Hills alkaline province, and a brief description of each member. The geology...late Henry Budgen (Canada), Gianfranco Ciccolini (Italy), the late Rock Currier (USA), Robert Gault [digital...under the current administrative divisions, the Province of Quebec has been divided into regions and Regional |  | Sejkora, Jiří, Tvrdý, Jaromír, Čejka, Jiří, Vrtiška, Luboš, Dolníček, Zdeněk (2019) Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy. Bulletin Mineralogie Petrologie, 27 (1) 63-71 | Journal (article/letter/editorial) | | Earlshannonite and whitmoreite were also described from pegmatite near Dolní Bory, western Moravia (Staněk 1988...Vernéřov near Aš (Breiter et al. 2009). The occurrences of As-dominant members of arthurite group are...2570-7345 (online) new mineral from the pegmatite occurrences Bendada (central Portugal) and Lavra do...the Fenugi Sibiri mine, Gonnosfanadiga (Sardinia, Italy). Later, bendadaite was reported from the Kiura...1 3 1 2.661 1.5 2.662 2.660 2.0 2.660 (Al), fluorapatite (P); Lα: clinoclase 1 1 -2 2.614 2.5 2.612 2 |  | | Book (volume) | | .......... 315 Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................and New England geological and mineralogical occurrences, as well as on ornithological and botanical topics...first visit to the tourmaline-bearing granite pegmatite at Mount Mica in 1952 and Gene eventually completed...thesis on the famous tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California....where, through a translator, he was advising pegmatite miners about recovering useful minerals and began |  | | Journal (article/letter/editorial) | | category of corundum-bearing anatectic felsic pegmatite formed in mantle peridotite earlier subjected...overprint by a mixed H2O + CO2 fluid. The bulk of the pegmatite bodies encountered are not obviously of anatectic...an LCT pegmatite also being affected by an LCT-type overprint, to form a “super-LCT pegmatite” is explored...economic potential of pegmatite occurrences. Keywords: granitic pegmatite, felsic pegmatite, classification...+ CO2. En revanche, la plupart des venues de pegmatite sont le produit du fractionnement d’un volume |  | | Journal (issue) | | .............191 by R. P. Richards Amethyst occurrences of the eastern United S ta tes.................plants and animals, and A. E. Fersman pioneered in pegmatite geochemistry, subjects which later were to elicit...which more typical quartz may be common, such as pegmatite veins or cavities in sedimentary rock. The localities...localities; there are probably many. Locality Province or state Kozhim-Ner Sura-Is Mountain Chus-Oika...Schons Charstelenbach bei Amsteg Intschialpbachtobel Val d ’llliez Leukerberge Rotenberg bei Goppenstein |  | | Journal (article/letter/editorial) | | system in large apatites from the Tin Mountain pegmatite, Black Hills, South Dakota, USA EIRIKJ. KROGSTADand...apatites from the tily Proterozoic Tin Mountain pegmatite, Black Hills, South Dakota, have concordant U-Pb...Harney Peak Granite complex is surrounded by a pegmatite field that consists of hundreds ofgranitic pegmatites...granite-granitic pegmatite occurrences. The Tin Mountain pegmatite is a complex Li-rich, zoned pegmatite, located...Tin Mountain pegmatite (WALKER 1984; WftLKER et al., 1986a). The petrology of this pegmatite has been discussed |  | | Journal (issue) | | Fiorentini Via Lorenzo il Magnifico 16 50129 Firenze, Italy INTRODUCTION The prospecting area of Arcu Su Linnarbu...Monte Arcosu, near the village Capoterra in the province Cagliari, more precisely south-southeast of the...sugilite (from Wessels mine, northwestern Cape Province), and gemmy green elbaite (from Brazil). In the...manganese oxide matrix (from Hotazel, northwest Cape Province), amethyst crystal geodes (from Namibia), and...(from the Nababeep West mine, north west Cape Province). There is, of course, a collection of Tsumeb |  | Uher, P., Chudík, P., Bačík, P., Vaculovič, T., Galiová, M. (2010) Beryl composition and evolution trends: an example from granitic pegmatites of the beryl-columbite subtype, Western Carpathians, Slovakia. Journal of GEOsciences, 55 (1) 69-80 | Journal (article/letter/editorial) | | with simple morphology commonly occur in blocky pegmatite units, in close association with quartz core,...heliodore and goshenite varieties) occur also in pegmatite cavities or in late saccharoidal albite units...columbite group (e.g., Černý 1989, 2002). Such pegmatite populations are usually closely connected with...with their parental granitic rocks; the pegmatite dikes are usually situated within the granites or in adjacent...Hercynian granitic pegmatites of the West-Carpathian province, Slovakia (Uher 1994), represent a typical example |
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