 | Alfonso, P., Melgarejo, J. C., Yusta, I., Velasco, F. (2003) GEOCHEMISTRY OF FELDSPARS AND MUSCOVITE IN GRANITIC PEGMATITE FROM THE CAP DE CREUS FIELD, CATALONIA, SPAIN. The Canadian Mineralogist, 41 (1) 103-116 doi:10.2113/gscanmin.41.1.103 | Journal (article/letter/editorial) | | MUSCOVITE IN GRANITIC PEGMATITE FROM THE CAP DE CREUS FIELD, CATALONIA, SPAIN PURA ALFONSO§ and JOAN...Barcelona, C/ Martí Franquès s/n, E–08028 Barcelona, Spain IÑAKI YUSTA AND FRANCISCO VELASCO Departamento...Vasco, Apdo 644, E–48080 Bilbao, Spain ABSTRACT The Cap de Creus pegmatite field exhibits a well-defined...well-defined regional zonation of four types of granitic pegmatite: barren Kfeldspar-rich pegmatites (type I), b...content, relative to K-feldspar, with increasing pegmatite evolution. Type-I microcline-rich pegmatites have |  | | Journal (article/letter/editorial) | | Rare-element Pegmatites and Granites from the Totoral Pegmatite Field, San Luis, Argentina Julio Oyarzábal,1*...the southernmost pegmatitic field of the Pampean pegmatite province in Argentina. The variation of K/Rb-Cs...geochemistry, K-feldspar—muscovite, rare-element pegmatite, S-type granite, Totoral pegmatitic field. 1....albite, quartz and muscovite are the main granitic pegmatite rock-forming minerals and their compositional...muscovite crystallize through extensive periods of pegmatite and granite solidification. K-feldspar provides |  | | Journal (article/letter/editorial) | | ‘POCKET’ BERTHIERINE FROM THE PULSIFER GRANITIC PEGMATITE, POLAND, MAINE, USA M I C H AE L A. W IS E Department...berthierine has been found in the Pulsifer granitic pegmatite, near Auburn, Maine. Berthierine was found in...cordierite-group minerals. Key Words—Berthierine, Granitic Pegmatite, Miarolitic Cavity, Hydrothermal Fluids, Pulsifer...ironstones (Bhattacharyya, 1983). Non-marine occurrences of berthierine include desert and lateritic soils...triphylite-calcian beusite intergrowths. In the Hagendorf-Sud pegmatite, berthierine occurs as thin, dark green idiomorphic |  | | Journal (article/letter/editorial) | | determine chemical variations between different pegmatite types and within individual pegmatitic bodies...pegmatites of Froland is presented basing on the pegmatite structure, bulk composition and mineral chemistry...varies significantly within structurally-zoned pegmatite bodies. Feldspar and biotite chemistry reflects...trace element signature of quartz. Key-words: pegmatite, quartz, LA-ICP-MS, cathodoluminescence, Froland...common pegmatite minerals quartz, feldspar and mica. The chemistry of quartz in the Froland pegmatite field |  | | Journal (article/letter/editorial) | | its broad distribution, only those spessartine occurrences furnishing good specimens or important gem rough...also in Amelia County, and from the Herbb No. 2 pegmatite near Flat Rock, Powhatan County, Virginia (Dietrich...in good specimens from most, if not all, such occurrences. It is, however, locally associated with and...Ytrrian spessartine occurs in the Brown Derby pegmatite in the Ohio Creek district, Gunnison County. Roberts...interesting, primarily pegmatitic spessartine occurrences in the Black Hills of South Dakota. Salmon-colored |  | | Journal (article/letter/editorial) | | are also probably of that age. The Strickland pegmatite at Portland, Connecticut, the near-by Hale deposit...Mountain pegmatite at Woburn, Massachusetts,are Devonian in age.7The famous Bedford pegmatite in WestchesterCounty...occur on Mount Royal, Montreal. Intrusions of pegmatite accompanied Paleozoic ore deposition in widely...accompanying the Paleozoic granites of western Spain.12Tin-bearing pegmatite dikes in eastern Victoria cut the Silurian...were formed through the action of pre-Cretaceous pegmatite dikes on Paleozoic (?) limestone.23The pegmatites |  | | Journal (article/letter/editorial) | | statistical analysis applied to rare-element LCT-type pegmatite fields: an original approach to constrain faults–...emplacement of LCT-type (Lithium–Cesium–Tantalum) pegmatite fields and their relationships with host rocks...both i) the spatial distribution of the pegmatite occurrences, including their grouping/ scattering and...trending faults family; with 50 % of the pegmatite occurrences located less than 500 m away from one of...out a lack of spatial link between each of the pegmatite subtypes and several potential granitic sources |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL Dwight Rodrigues...rare-element-class granitic pegmatites from the Borborema Pegmatite Province (BPP), northeastern Brazil. Tourmaline...high Cu contents, up to 1.07 wt.% CuO. In other occurrences of the “Paraíba tourmaline” in the BPP, up to...geochemical evolution trend of tourmalines among the pegmatite bodies investigated (vacancy at the X site, Fe...indicator of the degree of evolution of the hosting pegmatite. According to these data,”Paraíba tourmaline”-producing |  | | Journal (article/letter/editorial) | | Article Petrophysical Database for European Pegmatite Exploration—EuroPeg Claudia Haase 1, * and Claudia...addressing the exploration of buried, small-scale pegmatite deposits in Europe through the development of...component of these toolsets is petrophysical data of pegmatite ores and their wall rock. These data are essential...are compiled in the first database for European Pegmatite deposits: EuroPeg_PetroDB. Samples are supplemented...Database for European Pegmatite Exploration—EuroPeg. Keywords: petrophysics; pegmatite; geophysical logging; |  | | Journal (article/letter/editorial) | | Tools and Workflows for Grassroots Li–Cs–Ta (LCT) Pegmatite Exploration Benedikt M. Steiner Camborne School... This paper reviews the main controls of LCT pegmatite genesis relevant to mineral exploration programs...as industrial mineral deposits. Keywords: LCT; pegmatite; lithium; exploration; targeting 1. Introduction...decades research into rare metal Li–Cs–Ta (LCT) pegmatite mineralisation has predominantly focused on the...mineral exploration techniques applied to LCT pegmatite mineralisation have been published, covering (i) |  | | Journal (volume) | | . . . . . . . . . . . . . . . . . 14 PEGMATITE OCCURRENCES . .. .. . ...............................18 THE PEGMATITE OCCURRENCE OF LUOLAMÄKI . . . . . . . . . . . . . . . . . . . 19 PEGMATITE OCCURENCES...to occur in connection with synorogenie rocks. Pegmatite dikes and lumps containing beryl are found mostly...coarse-grained varieties of granite, i.e., pegmatite occurrences. It was in 1956 that the Geological Survey...Finland undertook to investigate and map out pegmatite occurrences as part of its systematic work program. |  | | Report (issue) | | --------------------------------------------------- 107 Rio Puerco field -----------------------------------...-------------------------------------------------- 113 Sierra Blanca field ---------------------------------...--------------------------------- 114 Other occurrences ------------------------------------------------------------...---------------------------------------- 277 Pegmatite minerals_ -----------------------------------...---------------------------------------- 283 Pegmatite deposits in New Mexico ------------------------------------- |  | Beurlen, H., Barreto, S. B., Silva, D., Wirth, R., Olivier, P. (2007) TITANIAN IXIOLITE - NIOBIAN RUTILE INTERGROWTHS FROM THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 45 (6) 1367-1387 doi:10.3749/canmin.45.6.1367 | Journal (article/letter/editorial) | | and electron-microprobe analyses in six pegmatite occurrences of the Borborema Pegmatitic Province in...vermicular intergrowths observed in three of the occurrences studied. Compositional growth-zoning observed...microsonde électronique dans six exemples de pegmatite granitiques de la province pegmatitique de Borborema...confirmed occurrence of niobian rutile from the Lira pegmatite, Santa Luzia, State of Paraíba, in the BPP, and...another one of Ta-bearing rutile from the Icozinho pegmatite, Icó, State of Ceará, beyond the area of the BPP |  | | Report (issue) | | genesis and general economic potential of pegmatite occurrences in Greenland. Field observations, archive...presentation. The prospective areas for pegmatite-hosted mineral occurrences in Greenland are outlined, and examples...examples of prominent pegmatite minerals are demonstrated. Pink pegmatite related to the Qôrqut granite...unknown at present. In a broader sense, the term pegmatite is used for any coarse-grained vein of granitic...mica are used as industrial minerals. Several pegmatite mineral species may also be used as gemstones |  | Čopjaková, R., Škoda, R., Vašinová Galiová, M., Novák, M. (2013) Distributions of Y + REE and Sc in tourmaline and their implications for the melt evolution; examples from NYF pegmatites of the Třebíč Pluton, Moldanubian Zone, Czech Republic. Journal of GEOsciences, 58 (2) 113-131 | Journal (article/letter/editorial) | | contents of Sc compared to the analyzed host pegmatite units (less than 1 ppm Sc). The contents of Sc...P2O5) and Ca contents (< 0.8 wt. % CaO) in host pegmatite unit preventing precipitation of Y + REE phosphates...(evolved euxenite-type and mixed (NYF + LCT) pegmatite) show a depletion in REE and Sc with progressive...concentrations of Y + REE and REE patterns in relation to pegmatite family (LCT or NYF), degree of fractionation,...Pozďátky – Kracovice NYF pegmatites NYF + LCT mixed pegmatite Fig. 1 Schematic map of the Třebíč Pluton. Open |  | | Journal (article/letter/editorial) | | rare-metal potential is linkcd to Proterozoic pegmatite fields exccpt for the Jurassic tin-bearing ring...terms of economic rare-metal mineralization, occurrences of mineralized pegmatitic phases of the Nigerian...according to the lithology of their host-rock. Pegmatite occurrences from southwest Nigeria. which are emplaced...rare-mctal hearing pegmatites and proximal granite occurrences was never obscrved. I t is suggested that reactivation...primary deposits. The typical pegmatoid rare-metal occurrences of the shield areas in western, central and southern |  | | 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...483 486 Contents xiv Other United States Occurrences . . . . . . . . . . . . . . . . . . . . . . ...Aln1ost in all cases metamict; two non-metamict occurrences of fergusonite are documented Samarskite-yttrotantalite...(var. cyrtolite). In the Baringer Hill, Texas, pegmatite, Landes ( 1932) noted fissures radiating out 4 |  | | Journal (article/letter/editorial) | | ................. Capacityof somegeographic occurrences ............................... GEOLOGICALASSOCIATIONSOF........................................ Other occurrences ...............................................economicallode depositsare unknown in a uraniferous pegmatite province. Thorium in significantamountscomesalmost...treatedin detail. The capacityof somegeographic occurrences to yielduraniumandthoriumsupplies is outlined...attentionandgreatestvarietyin knowntypesof occurrences; heretofore pegmatites, mineralveinsandcamorite-bearing |  | | Journal (article/letter/editorial) | | from different localities, different types of occurrences and different ages. The 198 molybdenite samples...perigranitic veins and IOCG, than for that in granite, pegmatite, porphyry deposits and skarns. The crystallization...than granite, pegmatite and porphyry deposits. For some 1 ACCEPTED MANUSCRIPT occurrences the δ98MoNIST...collected from ore deposits or came from various occurrences where the molybdenite content is not of economic...economic interest. The types of molybdenite occurrences/deposits as well as studied sites and samples are |  | | Journal (article/letter/editorial) | | RELATIONSHIPS AND PATTERN OF ALTERATION IN Li-RICH APLITE–PEGMATITE DYKES FROM NORTHERN PORTUGAL BERNARD CHAROY§ Ecole...feature. Such an association occurs in some aplite–pegmatite dykes of the Covas de Barroso district, northern...intrusion of biotite granites to the east of the pegmatite belt would seem to be responsible of the drop...western part of the belt. Keywords: granitic pegmatite, spodumene, petalite, eucryptite, replacement...assemblage s’observe dans quelques associations aplite–pegmatite de la région de Covas de Barroso, dans le nord |  | | Journal (article/letter/editorial) | | from the normal igneous rock stage through the pegmatite and hydrothermal phasescontinuous or discontinuous...true that many regionsof great development of pegmatite-veins are devoid of ore-bearing veins, as, for...the transition from a granite dike through a pegmatite to a qtartz vein in southern California. "In a...yards, a complete transition from a fine-grained pegmatite to a typical quattzvein." Similar observations...boron, and chlorine, whose presencein granite and pegmatite magmas is shown by such granitic and pegmatitic |  | | Book | | synthe- including gems, the and on natural occurrences, collector’s specimens, John scholarly monograph...Beryl, of Emerald and Germany, Eyes, 76 77 Spain, Childbirth, and Fertil78 ity, Fevers and 131... 456 Italy, 456 Kenya, (Namibia), 501 507 Spain, 445 Greenland, India, 500 Republic, South...Marie and Germany; NY; Prof. Sklar, Oceanside, Rio Santa Monica, Liddicoat, Dr. Dr. Josephine A...was for Alfonso X, 26 preparing his King of Spain, manuscript, ca. 1278 a.d. another In this |  | 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...reserves of the region [6]. The gold deposits and occurrences in the Char and West Kalba zones (Figure 1) count |  | | 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 |  | | Book (edition) | | additional observations on tests and mineral occurrences that can be included in later editions of this...have formed in this manner. In places, as in the Sierra Nevada of California and in the Rocky Mountains...that cut through the strata, giving isolated occurrences of igneous rocks in a great sedimentary terrain...its associate, the very coarse variety known as pegmatite (see Pi. 6, entry 5). The rock collector's variety...which each came. In a tremendous trip behind the Sierra Nevadas and down the Owens Valley, from Mono Lake |
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