 | McANULTY, W. N., SEWELL, C. R., ATKINSON, D. R., RASBERRY, J. M. (1963) Aguachile Beryllium-Bearing Fluorspar District, Coahuila, Mexico. Geological Society of America Bulletin, 74 (6) 735 doi:10.1130/0016-7606(1963)74[735:abfdcm]2.0.co;2 | Journal (article/letter/editorial) | | formations in brecciated zones near dikes of rhyolite porphyry, under conditions of low temperature and low pressure...in the Aguachile district, Coahuila, Mexico. Bertrandite(Be4OH2Sii2O 7) is intermingled with fluorite...microsyenite and the bertrandite probably came from the same parent magma. Bertrandite mineralization followed...the Serranias del Burro (Burro Mountains). The region shows marked effects of diastrophism and volcanism...within or near the Aguachile district. Rhyolite porphyry is the dominant igneous rock type, but quartz |  | Li, Xiaofeng, Wang, Guo, Mao, Wei, Wang, Chunzeng, Xiao, Rong, Wang, Mou (2015) Fluid inclusions, muscovite Ar–Ar age, and fluorite trace elements at the Baiyanghe volcanic Be–U–Mo deposit, Xinjiang, northwest China: Implication for its genesis. Ore Geology Reviews, 64. 387-399 doi:10.1016/j.oregeorev.2014.07.017 | Journal (article/letter/editorial) | | Yangzhuang granite porphyry intrusion and Devonian pyroclastic country rocks and within the porphyry itself. Muscovite–fluorite...were most likely leached out from the granite porphyry by the fluids. The fluid mixing led to the reduction...contact zones between the Yangzhuang granitic porphyry intrusion and Devonian pyroclastic country rocks...after the emplacement of the Yangzhuang granite porphyry. Multistage fluorite observed in the deposit was...deposit and its relation to the Yangzhuang granite porphyry remain unclear. To address these issues, the present |  | Zhang, Long, Li, Xiaofeng, Wang, Guo, Wang, Mou, Yang, Wenlong, Zhang, Lei, Zhu, Yiting (2019) Hydrothermal alteration and mineral chemistry of the giant Baiyanghe Be-U deposit in Xinjiang, northwest China: Implications for its mineralization. Ore Geology Reviews, 111. 102972 doi:10.1016/j.oregeorev.2019.102972 | Journal (article/letter/editorial) | | U. Both primary mica in the Yangzhuang granite porphyry and hydrothermal muscovite in the ore are enriched...Our study indicates that the Yangzhuang granite porphyry may represent the primary sources of Be and U...of Be, U, and other elements from the granite porphyry. Both Be and U were mainly transported as fluoride...minerals. The contact zones between the granite porphyry and Devonian volcanic rocks provide favorable...Yangzhuang granite porphyry and the Devonian volcanic rocks and also within the granite porphyry. Multistage |  | | Journal (article/letter/editorial) | | Dou ChemicalCompany,Freeport,Teras.l ABSTRAcT Bertrandite is found at the Aguachile Mountain fluorite deposit...crystals have not been previously reported for bertrandite. From a study of the mineralogy, paragenesis...1955. Beryllium mineralization in the form oI bertrandite was recognized in late 1956. This deposit is...type of beryllium occurrence.The presenceof bertrandite as a primary mineral was unique at the time of...basin; 3. Emplacement of a ring dike of rhyolite porphyry, about one mile in diameter,in a circular fault |  | | Journal (article/letter/editorial) | | Deposits of the Vitim Highland, Western Transbaikal Region: Mineral Types, Localization Conditions, Magmatism...two mineral types: feldspar–fluorite–phenakite–bertrandite and thorite–fluorite–phenakite. Their localization...Mesozoic subalkali quartz syenite and syenite porphyry. The ore is represented by mineralized crush zones...since the 1960s. The deposits of the fluorite–bertrandite–phenakite type (Ginzburg et al., 1975, 1977)...to minor stocklike quartz syenite and syenite porphyry intrusions and dikes. These statements were largely |  | Gordienko, I. V., Badmatsyrenova, R. A., Lantseva, V. S., Elbaev, A. L. (2019) Selenga Ore District in Western Transbaikalia: Structural–Minerogenic Zoning, Genetic Types of Ore Deposits, and Geodynamic Settings of Ore Localization. Geology of Ore Deposits, 61 (5) 391-421 doi:10.1134/s1075701519050027 | Journal (article/letter/editorial) | | formation of the Early Mesozoic West Transbaikalian region of intraplate magmatism. Late Paleozoic–Mesozoic...Late Kunalei complexes of leucocratic granites, porphyry granites and syenites, and explosive breccias...these igneous processes within a relatively small region (Litvinovskii et al., 2001; Yarmolyuk et al., 2001;...ore formation types have been recognized: (1) porphyry molybdenum: Zharchikhinskoe, Kharitonovskoe, Kolobkovskoe...Gudzhertuiskoe, and other smaller occurrences; (3) porphyry copper–molybdenum: Malo-Kudarinskoe and Kudarinskoe |  | | Journal (article/letter/editorial) | | of Carnmenellis 273 The Pegmatites of Trolvis Quarry, Carnmenellis, Cornwall. By K. F. G. HOSKING (PLATE...(PLATE VI) ABSTRACT The pegmatites of Trolvis Quarry, Carnmenellis, are small lenticular masses which...pegmatites discussed in this paper occur in Trolvis Quarry, situated in the east central portion of the Carnmenellis...emplacement of three dominant types of granite, and the quarry in question occurs in the earliest granite, termed...termed Type 1 by him. The granite within the quarry displays well-developed cleavingway, toughway, and |  | Ripp, G. S., Izbrodin, I. A., Lastochkin, E. I., Doroshkevich, A. G., Rampilov, M. O., Posokhov, V. F. (2016) Isotopic characteristics of the ermakovskoe fluorite–bertrandite–phenakite deposit (Western Transbaikalia) Geochemistry International, 54 (9) 748-764 doi:10.1134/s0016702916090056 | Journal (article/letter/editorial) | | Characteristics of the Ermakovskoe Fluorite–Bertrandite– Phenakite Deposit (Western Transbaikalia) G...marbles, vesuvian from skarns, eudidymite and bertrandite from ore parageneses, and bavenite of the post-ore...Ermakovskoe deposit is ascribed to the fluorite–bertrandite–phenakite formation. In spite of the detailed...on a Finnigan MAT 253 (ThermoFinnigan, Bremen, Germany) mass spectrometer with respect to the laboratory...limestone and schist, 3—dolomite; 4—felsic porphyry and syenite porphyry dikes; 5—syenite diorite and dioritic |  | | Journal (article/letter/editorial) | | guests present' Mr. Northup proposed the Easton quarry as the site for the Spring Excursion. Following...development of the mine during the last 16 years. Some porphyry mines may produce more tons of ore per day, but...mountains to the rvest of the main Andean chain. The region has a complex geological history of intrusions...deposited. The oxidized ore is not disseminated as in porphyry copper, but concentrated in innumerable fissures...Dn Ja.lms Pnlvrston. in A nerv locality for bertrandite and beryl in Cornrvall is recorded. The minerals |  | | Journal (article/letter/editorial) | | and Formation Conditions of the Urma Helvite– Bertrandite Deposit, West Transbaikal Berillium Province...province are exemplified in the Urma helvite–bertrandite deposit. The deposit is drawn toward granitoids...silicification related to fracture zones. Helvite and bertrandite are the major Be minerals at the deposit. The...Mesozoic alkali granites in the western Transbaikal region. Taking into account that these granitoids are... deposits), the bertrandite type (Orot, Butui deposits), and the helvite–bertrandite type (Urma deposit |  | | Catalog/List | | 424 ■■ CRISTOBALITE Vechec, Slanske Mtns, Presov Region, Slovakia I to 2mm white crystals scattered on...Zeolite lxl £5 166 II: ■ GISMONDINE Green road Quarry, Ballyclare, County Antrim Chalk')' white areas...mass Ix½ £5 Ix! £8 Fe Sb S 370 ■■ HAINITE Bortolan Quarry, Pocos de Caldas Minas Gerais, Small fawn fibres...HYDROWOODWARDITE Wolkenstein, Erzgebirge, Saxony, Germany Blue flakes in gelatin capsule .J £5 207 ■■...·-· 420 ■■ TRIDYMITE Vechec, Slanske Mtns, Presov Region, Slovkia 2mm hexagonal colourless crystals scattered |  | | Journal (article/letter/editorial) | | sequence in deposition of fluorite-phenacite-bertrandite ores a a a Ya.A. Kosals , A.N. Dmitriyeva...sequence in deposition of fluoritephenacite-bertrandite ores, International Geology Review, 16:9, 1027-1036...sequence in deposition of fluorite-phenacite-bertrandite ores YaA. Kosals, Downloaded by [] at 11:54...beryllium deposits of the fluorite-phenacite-bertrandite type. BRIEF GEOLOGIC CHARACTERISTICS OF DEPOSIT...titanomagnetite. The leucocratic microsyenite-porphyry dikes belong to Phase II. From the dip and strike |  | | Journal (article/letter/editorial) | | granite Leucocratic granite Skarn Mica-fluorite-bertrandite aggregate Biotite Microcline Phlogopite Muscovite...berylliferous skarnal, and fluorite-phenacite-bertrandite (Ginzburg et al., 1965). The berylliferous pegmatites...its parent massif, the morion granites. Its bertrandite-phenacites have a characteristically tight spacial...divisible into the beryllium (fluorite-phenacite-bertrandite) and polvmetallic substages. Mineral associations...ore-controlling zone, northwestward, the fluorite-bertrandite-phenacite ores with their sulfidic phenocrysts |  | | Book (volume) | | colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N of Calloway airport at rd...1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple cubes), Galena...US 27: (a) along both sides of Hwy.agate; (b) quarry on W side of rd.agate, chalcedony, chert, opal;...W 3 mi. and 2 mi. N: (a) at the Marble Springs Quarrygemmy marble (red and green); (b) E, in Taylor...CHEROKKE-PICKENS COUNTIES NELSON (Pickens Co.), a 300 sq. mi. region surrounding this town contains many pegmatite dike |  | | Journal (article/letter/editorial) | | per unit cell]. From Dzhuzumli, Mt. Zirabulaksk region, Bukhara. Named after the alchemist Avieenna (Abu...The correct form has been fairly widely used in Germany (Hintze, Handb. Min., Erg.-Bd., p. 86; H. Strunz...phlogopite deposit of the Medviezhy river, Aldan region, Yakutia. Named from the composition. [M.A. 14-280...zeunerite from Biihlskopf, Ellweiler, Birkenfeld, Germany, contain Na, U, and As, and appear to be identical...crystals in the syenite of Katzenbuckel, Odenwald, Germany. Named after Prof. Wilhelm Freudenberg, author |  | Lykhin, D. A., Kovalenko, V. I., Yarmolyuk, V. V., Sal’nikova, E. B., Kotov, A. B., Anisimova, I. V., Plotkina, Yu. V. (2010) The Yermakovsky beryllium deposit, Western Transbaikal region, Russia: Geochronology of igneous rocks. Geology of Ore Deposits, 52 (2) 114-137 doi:10.1134/s1075701510020029 | Journal (article/letter/editorial) | | Yermakovsky Beryllium Deposit, Western Transbaikal Region, Russia: Geochronology of Igneous Rocks D. A. Lykhina...The average grade of ore at the Yermak ovsky bertrandite–phenakite–fluorite deposit is as high as 1.2%...STUDY HISTORY OF THE YERMAKOVSKY DEPOSIT The bertrandite–phenakite deposit is unique in grade, resources...deposit is situated in the Western Transbaikal region at a distance of 5 km from the settlement of Corresponding...diorite, monzodiorite porphyry, amphib ole and leucocratic syenite and felsite porphyry have a K–Ar age of |  | | Report (issue) | | drilled 71 holes in 1977-1983 and delineated a porphyry Mo and W-Mo-Be skarn deposits northwest of Mine...Wind Mountain, Otero County and in the molybdenum porphyry deposit at Questa, Taos County, although not in...New Mexico ............................... 63 Porphyry molybdenum (±tungsten) deposits in New Mexico...sequence is for all three types of deposits. 1 = porphyry Mo , 2 = skarn, 3 = carbonate-hosted replacement.............. 62 FIGURE 31. Schematic sketch of porphyry molybdenum deposits that are dependent upon the |  | | Journal (article/letter/editorial) | | 243–263. Alkaline Granites and Be (Phenakite–Bertrandite) Mineralization: An Example of the Orot and Ermakovka...predetermine the predominance of phenakite or bertrandite in the Be mineralization related to these granitoids... 2008 ALKALINE GRANITES AND BE (PHENAKITE–BERTRANDITE) MINERALIZATION GEOLOGY 100 km N The area...depression; (2) stratified (PZ ?) rocks; (3) felsite porphyry dike; (4) alkaline granite; (5) dikes of (1) basic...leaching (argillization) of the granites, in which bertrandite Be4[Si2O7](OH)2 is restricted to dickite Al2[Si2O5](OH)4 |  | | Journal (article/letter/editorial) | | the great quantities of bertrandite specimens found at the Strickland Quarry, at Portland, Conn., last...square. "But another locality in Connecticut for bertrandite turned up, heretofore unreported. On October...October 15th last I visited the Toll Gate Quarry, just iy2 miles south of Middletown, on Rout 9"Dave Seaman...however, come up with a large group of superb bertrandite crystals, in a cavity about 4 " x 4", also badly... Lakeland, Fla. "These are found in a dolomite quarry. They are generally black at this locality. In |  | | Journal (article/letter/editorial) | | OTTENS Klingenbrunn-Bahnhof 24 94518 Spiegelau Germany ottens-mineralien@t-online.de ROBERT B. COOK Department...fine-grained biotite-muscovite granite; Qπ is quartz porphyry; F is fault; “arrows in” is syncline; “arrows...deposits in the area. Iron and copper sulfides of this region are predominately pyrite, pyrrhotite, chalcopyrite...fine-grained granite with a few phenocrysts; (5) granitic porphyry; and (6) diabase-minette. There are two kinds...ROCKS & MINERALS Figure 11. A typical 7.5-cm bertrandite and rhodochrosite specimen. Bert Ottens specimen |  | | Catalog/List | | this location closed many years ago. Boyleston quarry Barrhead Scotland £6 54. ANALCIME good coverage... AfghaniSlan £12 tskaya Mt, Kama River, Urals Region Russia 18_ VOLKONSKOITE pure dark green mass large...covered all over but clearly visible, Union carbide Quarry, San Benito Co california £5 11 2. TYROLITE blue-green...green micros, good coverage on 1 .5cm Hingston Down Quarry £4 · ROCKS I 17. GARNET GNEISS quite rich pinkish...£1 2 GABBRO a cut and polished piece from Dean Quarry Lizard Cornwall small 2x3 £6 1 22. 123. ANDESITE |  | | Book | | Norsk Hydro (now the geology of the whole Oslo Region, 2007),and was recently honoured by the new species...in New Jersey,Tsumebin Namibia,the ClaraMine in Germany,Laurion in Greece,Broken Hill in NewSouthWalesand...natrolite with pale green diaspore from the Saga I quarry, M0rje, Porsgrunn. Field height 7 mm. Collection...coast, but a similar one has also been found In Germany, and at Halle it will be found In granite. The...His next trip to the in 1847,and returned to Germany. He was Langesundfjord district took place in |  | | Journal (article/letter/editorial) | | late-stage stocks or small intrusions in a wider region shows that they represent yet another group of...o JP013A Hrad o JP013B Hrad o Outcrop type: q = quarry, o = outcrop, b = blocks MCa = medium-Ca granite...beryl studied by Novák et al. (2011). 4.2.10. Bertrandite Compared to secondary beryl, somewhat different...accompanied formation of bertrandite in the sample SP177, Květušín (Fig. 11b). Bertrandite, Be4Si2O7(OH)2, X-site...(Bt). BSE, sample 188, Horní Planá. b – Minute bertrandite (Btr) crystals in pinite pseudomorph. BSE, sample |  | | Journal (article/letter/editorial) | | Examplefromthe Variscan TribergGraniteComplex,Germany GREGORMARKLANDJOHNC. SCHUMACHER Institutfiir Mineralogie...iit, Albertstrasse 23b,D-79104Freiburgi. Br,, Germany Abstract Tin granites thathostgreisens havebeenextensively...formation. In theTribergGraniteComplex, southwestern Germany,it hasbeenpossible to reconstruct part of the chemicalandphysical...whichareor wereof economicinterest(e.g.,theErzgebirge region,southeastern Germanyandthe CzechRepublic, andCornwall....00 576 GREISENSFROMVARISCANTRIBERGGRANITE,GERMANY 577 rn•inly mesozoic .andstone• granodlorite |  | | Journal (article/letter/editorial) | | base metal deposits, as well as occurrences of bertrandite, gold–silver mineralization, and other metals...at Spring 27, Dal’negorsk ore group), granite porphyry of the Bogopol Complex (Mt. Mir, Kavalerovo ore...to the age of the diorite-penetrating granite porphyry. The age of extrusive rocks from the Bogopol Complex...zircons from trachydacite (sample 07) and granite porphyry (sample 06) in the Mt. Mir extrusion. The studied...26 (Fig. 2b). The studied zircons from granite porphyry (sample 06) are represented by euhedral crystals |
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