 | | Report (issue) | | Topaz from Utah's Maynard Mine RYAN BOWLING 26. Volodarsk-Volynski PETER LYCKBERG 30. Japanese Topaz ALFREDO...that about 80 percent are pegmatites. A summary of topaz occurrences in pegmatites is given by Simmons (2007)...wetter. However, a study of topaz from rhyolites, pegmatites, greisens, and hydrothermal veins by Foord et...systems are highly variable, particularly in pegmatites, which in some cases have very low water contents...peraluminous granites, greisens, tin veins, and pegmatites. It is also found in hydrothermal veins and (rarely) |  | | Book | | Precambrian deposits continued to be discovered in the Ukraine into the 1950s and 60s, when new types of radioactive...form, utilized by numerous bodies of granitic pegmatites. Young faults include flat-lying thrusts, extended...constituent in the ferruginous quartzites, tremolite, actinolite, cummingtonite, pyroxenes, alkaline amphiboles...vertical post-ore muscovite-tourmaline granitic pegmatites 50-60 m thick and gabbro-dolerite dykes containing...the Kola province are associated with granite pegmatites in the Kolmozero-Voronya greenstone belt (Rundqvist |  | | Book | | Lanka; Jos plateau, Nigeria; Volyn district, Ukraine, and numerous pegmatites throughout the world. Brown...topaz rhyolites in western USA, and Mexico. Many pegmatites throughout the world. Chapter 1 Topaz - Historical...cut gems) derive from what are called mesozonal pegmatites (see Chapter 9). These formed where conditions...A 117 kg crystal was obtained from the Volyn district, Ukraine in 1966 (Milovsky and Kononov, 1985). Orcioli...1974 (pp 137-174) JAHNS, R.H., 'The genesis of pegmatites I. Occurrence and origin of giant crystals', |  | | Journal (issue) | | Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California...Montreal, Quebec, Canada H3A 2A7 he Little Three pegmatites have yielded superb orange large blue topaz c...Mursinka-Alabashka District, Urals, and the Volyn pegmatites in the Ukraine, U .S.S.R . Little Three topaz also...also rivals much of the topaz produced from pegmatites in the state o f Minas Gerais, Brazil, and St. A...- A p r il, 1 9 8 9 HISTORY The Little Three pegmatites were discovered in May of 1903 by H. W. Robb |  | | Report (issue) | | Pegmatity Ukr. 1-138 (1979). Analyses (4; from Ukraine pegmatites. AMESlTh. Giese, (Clays Clay Miner. 2«, tfl-bb...Probe analyses (5) from Osaka Pref., of manganoan actinolite (MnO 6.05, 6.66%) and cummingtonite (MnO 11.14-13... no. 8, 60378 (1979). Occurrence of crossite-actinolite, Krkonose-Jizera complex. AMPHlbULE. Chandra...89, no. 16, 132528 (1978). Mossbauer study of actinolite. AMPHIBOLE. Charles, (Report LA-7936-MS, 1-17... 109-118 (1979). Probe analyses (5 tremolite-actinolite, 1 pargasite). Mossbauer spectroscopy. AMPHIBOLE |  | | Journal (issue) | | Lees (USA) Yuriy B. Marin Vladimir I. Pavlishin (Ukraine) Igor V. Pekov Pavel Yu. Plechov Dmitriy Yu. Pushcharovsky...us to take samples. Then regular searches for pegmatites began in Yitosha, which could be reached from...Borutsky. I was in Dagestan during the quality actinolite in talc. from a bentonite quarry with "stron-...by geologists who conducted a geological map- Ukraine. to Karadag and Kerch iron ore deposits in Crimea...in Bulgaria These were rock crystal, stilbite, actinolite in talc, tourmaline in rock, and Uruguayan agate |  | | Report (issue) | | (1982). Analysis (not in abstr.) from Herzegovina (actinolite asbestos). AMPHIBOLE. Droop, J. Petrol. 23, 163-185...analyses (4) of zoned crystals, E. Greenland (actinolite). AMPHIBOLE. Embey-Isztin and Noske-Fazekas,...complexes, kaersutite-hornblende-hastingsite or actinolite-barroisite-winchite to katophorite, richterite...from skarn, Black Perry Mt., NS Wales, of ferro-actinolite. AMPHIBOLE. Gorbunova, ed., Mineralogiia Medno-nikelevykh...magnetic resonance and infra-red data on hornblende, actinolite, edenite, and pargasite. AMPHIBOLE. Kalinicheva |
|
