 | | Journal (article/letter/editorial) | | phyllites. Muscovite as the fine-grained varieties pinite and liebenerite is found as an alteration product...muscovite with albite, 2.8 cm high, from the Strickland quarry, Portland, Middlesex County, Connecticut. This...8 cm wide, from the Santo Niño mine, Patagonia district, Santa Cruz County, Arizona. Barbara Muntyan specimen...Newry (King and Foord 1994). The Black Mountain quarry, Rumford, Oxford County, was one of the biggest...fine transparent, gold-brown color. The BB No. 7 quarry in Norway, also in Oxford County, has produced |  | | Journal (article/letter/editorial) | | CORDIERITE IN PEGMATITE NEAR MICANITE, COLORADO E. Wtu. Herwucn, UniversityoJ Michigan,Ann Arbor, Mi...Mi.chigan. ABsrRAcr The Climax pegmatite of the Micanite district in Colorado contains unusually large...cordierite, which is altered in varying degree to pinite, consisting chiefly of muscovite, chlorite, and...is discussed. IurnooucttoN The Micanite pegmatite district iies acrossthe Park-Fremont County line in...recognizedcordieritein the Climax deposit. The pegmatite was studied by the writer in 1946 and 1949, at |  | | Journal (article/letter/editorial) | | history, petrology, mineralogy, geochemistry, and pegmatite genesis of probably the best aquamarine locality...single crystals of apatite from the Golconda pegmatite, Minas Gerais, Brazil, and Llallagua, Bolivia...University, Hanisonburg, VA 22807. The Morefield pegmatite is one of two complex, extensively mineralized...MarcWApril1994 133 Courthouse district; the other is the Rutherford pegmatite. In July 1991, the first aluminum...minerals. RECENT MINERAL DISCOVERIES AT THE BENNEll QUARRY, BUCKFIELD, MAINE. W B. Thompson, Maine Geological |  | | Journal (article/letter/editorial) | | originally present in some leucogranites, is altered to pinite (muscovite + chlorite ± biotite aggregate). Several...has been unmixed as a newly formed tiny beryl in pinite. The dataset exhibits geochemical heterogeneity...decades on the Variscan plutons in southern Bohemia, Austria and Bavaria (see Klomínský et al. 2008; Žák et...metamorphic rocks, interpreted as a tectonic melange of lower to middle continental crustal segments of the orogenic...for Nová Ves in southern Bohemia and Ctidružice pegmatite in southern Moravia. With reference to Finger |  | | Journal (article/letter/editorial) | | small furnace in Gadsden. The mineral occurs in Lower Cambrian limestone, referred to as the Conasauga...Colorado—An interesting article, "Cordierite in pegmatite near Micanite, Colorado," by E. William Heinrich...Michigan, Ann Arbor, Mich.) The Micanite pegmatite district lies across the Park-Fremont County line...the former village of Micanite. The pegmatite of the Micanite district contains unusually large 378 ROCKS...(iolite), which is altered in varying degree to pinite, consisting chiefly of muscovite, chlorite, and |  | | Journal (article/letter/editorial) | | show apatite and ilmenite, and very frequently pinite (after cordierite). On the other hand, a suite...hornblende. A pale fibrous amphibole is abundant in a pegmatite occurring on Bittleford Down. Gold and silver...ect ed in several specim ens of the Bittleford pegmatite. Assays made on representative samples of this...Assays of apparently barren sa m ples of these quarry-gran ites show up t o 6 gra ins of gold an d 38...barren samples of t or- and quarry-granite, graphic granite, and pegmatite show gold, up to 10 grains |  | | Journal (article/letter/editorial) | | W. G. Fol'e, Wesleyan Unhersity A few of the pegmatite quarries in the vicinity of Middletown, from which...University (Locality 18, Fig. 1). The Connecticut pegmatite dikes are composed of predominating quartz and...localities are found in orthogneiss, the Pelton quarry (Locality 4), east of Collins HilI and within the...beryl has been taken (Locality 9) near the Gillette quarry, south of Haddam Neck. These facts attain greater...when the map accompanying this paper is studied. Pegmatite dikes occur within the gneisses,as well as within |  | | Journal (article/letter/editorial) | | Shiras, Tom. "Early Days in North Arkansas Zinc District" and "Zinc Ores of the North Arkansas Field."...Engineering and Mining Journal, Vol. 67, 1889. PEGMATITE MINERALS OF MAINE B y D A V I D M. SEAMAN 36 Winter...lithium pegmatite as an alteration of reddingite as octahedral-like crystals at the Berry Quarry in Poland;...found as a rare mineral in lithium pegmatite at the Bennett Quarry at Buckfield, the Dun ton Gem Mine...quarries on Mt. Apatite at Auburn; the Bennett Quarry at Buckfield; Mt. Mica at Paris; at Hebron; etc |  | | Journal (article/letter/editorial) | | Quebec. The sill is well exposed in the Varennes quarry, which has been operated continuously for crushed...hornfels chill-zone is evident at both the upper and lower contact of the sill with the sedimentary rocks....collecting may be possible. INVESTIGATION OF A PEGMATITE LOCALITY IN EAST MORRIS, CONNECTICUT. R. C. Huff...Connecticut, just off Route 109, there is an old pegmatite quarry known locally chiefly for its occasional production...crystals of exceptional quality. This is a simple pegmatite locality similar to a number of small quarries |  | Ertl, Andreas, Kolitsch, Uwe, Meyer, Hans-Peter, Ludwig, Thomas, Lengauer, Christian L., Nasdala, Lutz, Tillmanns, Ekkehart (2009) Substitution mechanism in tourmalines of the "fluor-elbaite"-rossmanite series from Wolkenburg, Saxony, Germany. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (1) 51-61 doi:10.1127/0077-7757/2009/0136 | Journal (article/letter/editorial) | | colourless Al- and Li-rich tourmaline crystals from a pegmatite from Wolkenburg near Limbach-Oberfrohna, Saxony...amount of Si in tourmaline. Once the Li1+ content is lower, Al3+ cations (with a higher oxidation state) must...formula, other cation sites must therefore have lower bulk charges. This can be achieved by increasing...the Amerika quarry near Penig (Vollstädt & Baumgärtel 1977, Wittern 2001) and a pegmatite vein near Wolkenburg...and at the village of Wolkenstein, Marienberg district, Erzgebirge (Vollstädt & Baumgärtel 1977). These |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...near Sobotfn, Moravia, Czech Rep., in skarn at the Sankt Christoph mine, near Breitenbrunn, Saxony, Germany...Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy...Counties, California, etc. At Jordan6w Slcl5ki, Lower Silesia, Poland. The oldest known deposits of white |  | | Journal (article/letter/editorial) | | pale anatase, pale green amphibole, pellets of pinite, etc. Actually, positive identification of such...minute crystal isolated from the Princetown (Prison quarry) type presents the unusual combination of cub e...dispersed from areas seamed with red-rock veins. In the lower reaches of the West Webburn it tends to form sparkling...and in the "Iuxulianite" type in the Reservoir quarry. Holne Moor. It has been noted occasionally in...It is known to occur also in the Blackingstone quarry granite. In the reddened and tourmalinised granites |  | | Journal (article/letter/editorial) | | Roche. The area comprises the second most elevated district in Cornwall, rising to a height of 1,000 ft. above... however, by the granite of Bodmin Moor. This district was visited by the Association during their excursion...however, in the form of the so-called pseudomorphs of pinite, is often readily visible in the hand specimen...occurs in the granite, may be mentioned Dyer's quarry, north-west of Meledor, in the parish of St. Stephen...but, as stated above, its altered representative pinite may often be easily observed by the unaided eye |  | | Journal (article/letter/editorial) | | 34 REPORT OF AN EXCURSION TO THE ST. AUSTELL DISTRICT, CORNWALL. APRIL 16TH TO 18TH, EASTER, 1914. By...features of its occurrence in the St. Austell district which testify to its pneumatolytic origin. A striking...quartz-tourmaline rock or EXCURSION TO THE ST. AUSTELL DISTRICT. 35 "stent," developed in a series of roughly...until recently, the only method adopted in this district, and is, in fact, still practised at nearly all...form one of the most noticeable features of the district. Practically nothing but gorse, and that only |  | Parnell, John, Mark, Darren F., Frei, Robert, Fallick, Anthony E., Ellam, Rob M. (2014) 40Ar/39Ar dating of exceptional concentration of metals by weathering of Precambrian rocks at the Precambrian–Cambrian boundary. Precambrian Research, 246. 54-63 doi:10.1016/j.precamres.2014.02.012 | Journal (article/letter/editorial) | | for the clay is consistent with mobilization on land of redox sensitive metals by oxidative terrestrial...from the accompanying planation, especially by a Lower Cambrian quartzrich sandstone. 1.1. Weathered and...concentrated on the surface, where the Archean gneiss-pegmatite bedrock includes basic layers rich in chromium...alteration phyllosilicates beneath a protective cover of Lower Cambrian quartz sandstone which extends over a 40...show that the cover mineralogy is dominated by pinite, a very fine-grained form of the potassium mica |  | Thöny, W.F., Wyhlidal, S., Tropper, P., Mair, V. (2009) Petrology of a cordierite-andalusite-bearing granite from the Sattelspitze (Monte Sella), Franzensfeste (South Tyrol, Italy) Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 155. | Journal (article/letter/editorial) | | Universität Innsbruck, Innrain 52, 6020 Innsbruck, Austria 2 Amt für Geologie und Baustoffprüfung - Geologischer...two samples were investigated. Sample A (from the quarry Sachsenklemme) represents the central part of the...(Fig. 4). Cordierite shows beginning alteration to pinite (muscovite + chlorite) at the grain boundaries...lowering of aH2O to 0.1 results only in slightly lower temperatures of 500–550°C. The occurrence of andalusite...labeled as miarolitic or eventually rare-element pegmatite (CERNY, 1982). The miarolitic pegmatites of the |  | | Report (volume) | | schist-___--__--_-__--_-_____-____,_--_-__ Sillimanite-pinite schist_____________________________________ Fly...Rodgers and others (1956)-______-_______-_-._ Pegmatite.___________________________________________________...formed. Before the close of metamorphism, gabbro, pegmatite, and quartz monzonite were intruded, and their...A Plagioclase gneiss south A A Sillimanite-pinite schist ________ A Fly Pond Member: A Putnam Gneiss:...Lebanon Gabbro of Rodgers and others (1956), pegmatite, and quartz monzonite gneiss. METASEDIMENTARY |  | | Journal (article/letter/editorial) | | Limeport limestone Middle (?) Leithsville limestone Lower Hardyston quartzite All ages, except the barren...Paleozoic of eastern Pennsylvania thus: Ordovician: Lower, Beekmantown formation1 1 Formation is used here...Limeport formation Middle (?), Leithsville formation Lower, Hardyston formation Precambrian gneissic complex...of the formations is: 821 formerly included in lower part of Allentown. Bedding massive to submassive...from the Lehigh Valley, but Olenettus and other Lower Cambrian fossils are known in New Jersey. In Bucks |  | | Journal (article/letter/editorial) | | INDEX Names of authors are in capitals, subjects in lower case roman, and localities in italics; book reviews...Arsenopalladinite, from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, 455 ARSLAN,M., 750 ATUERTON...kintoreite, a new mineral from Broken Hill, 143 AUSTRIA, deposition and transport of gold in the Veitsch...palladium minerals from the Cau8 iron mine, Itabira District, Minas Gerais, 455 BRIGATrl, M.F., 149 BROWNE...transport of gold by thiosulphates in Veitsch, Austria, 253 Diaspore, local density approximation and |  | | Journal (article/letter/editorial) | | metamorphism and assimilation in the Wellington district, N.S.W. I. Hybridizat,ion in the Wuuluman Creek...dolerites, spilites and keratophyres of the Nundle district: Linnean Sot. New South Wales Proc. 40, NO. 157...Proc. Wales. Part 5. The geology of the Tamworth district: 40, Xo. 159, 640-624. Wew South W&es: 3; labradorite...South Wales. Part. 7. The geology of the Loomberah district’ and a portion of the Goonoo Goonoo estate: Linnean...The geology and petrology of the Mt. Leinster district, R’. E. Victoria: Roy. Sot. Victoria Proc. 45 |  | Allen Howe, J., Teall, J.J.H., Ussher, W.A.E., Allen, H.A., Cantrill, T.C., Dixon, E.E.L., MacAlister, D.A., Hall, T.C. (1908) Visit to the museum of practical geology, Jermyn Street. Proceedings of the Geologists' Association, 20 (6) 467-472 doi:10.1016/s0016-7878(08)80299-4 | Journal (article/letter/editorial) | | THE party, numbering about 50, assembled in the lower Hall at 2.3°; here Mr. Howe explained the general...area portrayed in the large model of the Assynt district of the N.-W. Highlands. This model is illustrated...Ammanford Map and Section, pointed out that the district lies on the north-western margin of the South...Carboniferous Limestone, and Millstone Grit to the Lower Coal Series, in a distance of only three miles....faulting, in consequence of which the Bala and Lower Llandovery rocks of the north bank of the Towy are |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...diameter have been noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS...Rumford, Newry, Buckfield, and Topsham. The Gillette quarry at Haddam Neck, Connecticut, was famous when in...length was found in a pocket at the Strickland Quarry, at Portland, Connecticut. California has a large |  | | Journal (article/letter/editorial) | | Figure 1: View of the Crystal Mountain district, looking west. Crystal Mountain is in the center background...Minerals from the Pegmatites of the Crystal Mountain District LARIMER COUNTY, COLORADO MARK I. JACOBSON 1350...collected in the Crystal Mountain district. This is one of the few pegmatite districts in Colorado where nei...wishing to make significant con tributions to pegmatite mineralogy and geology. One pur pose of this...investigation of the district. Figure 2: Index map of the Crystal Mountain district, Larimer County, Colorado |  | | Journal (article/letter/editorial) | | subhedral to euhedral grains, associated with aplite-pegmatite contacts or pegmatitic portion alone); and Type...fluid-saturated systems. KEYWORDS:cordierite, pinite, granite, aplite, pegmatite, rhyolite, migmatite, restite, xenocryst...of sekaninaite (Fe > Mg) as large crystals in pegmatite (Stan~k, 1954, 1991) represents an exception to...anhedral to euhedral grains associated with aplite-pegmatite contacts, miarolitic cavities, and/or pegmatitic...along the contact between semi-pelitic xenolith (lower part of photograph) and host granite, South Mountain |  | | Journal (issue) | | Conklin Famous mineral localities: the Gillette quarry, Had dam Neck, Connecticut . . . . . . . . . ....San Mateo, CA 94403 (415-345-6228). HARDING PEGMATITE CATALOG The University of New Mexico Geo1ogy Museum...and archival material related to the Harding pegmatite in north-central New Mexico. This well-known collecting...suites of samples from specific zones within the pegmatite; a variety of analytical data have been obtained...included over a hundred specimens from the Batopilas district, Chihuahua, Mexico, 73 of which were specifically |
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Pegmatite quarry, Ambach, Wölbling, Sankt Pölten-Land District, Lower Austria, Austria