 | | Journal (volume) | | Survey of Finland Bulletin 314 On the granitic pegmatites of the Eräjärvi area in Orivesi, southern...southern Finland b y Seppo I . Lahti Geologinen tutkimusla itos Espoo 1981 Geological Survey of Finland,...GRANITIC PEGMATITES OF THE ERAJARVI AREA IN ORIVESI, SOUTHERN FINLAND by SE P PO 1. L A H TI with 23 figures...pegmatites of the Eräjärvi area in Orivesi, southern Finland. GeoLogicaL Survey of FinLand, BuLLetin 314...appendices. The pegmatites of the Eräjärvi area (Orivesi, Finland) are middle Proterozoic granitic dyke |  | | Journal (volume) | | Geological Survey of Finland Bulletin 368 Pollucite and its alteration in Finnish pegmatites by David...tutkimuskeskus Espoo 1993 Geological Survey of Finland, Bulletin 368 POLLUCITE AND ITS ALTERATION IN...alteration in Finnish pegmatites. Geological Survey oi Finland, Bulletin 368. 39 pages, 20 figures and 5 tables...mineralogy of pollucite-bearing pegmatites in Finland has been reviewed and combined with recent field...Finnish Precambrian (Luolamäki, Somero; Viitaniemi, Orivesi; Haapaluoma, Peräseinäjoki, and Oriselkä |  | | Journal (volume) | | pegmatites in the Peräseinäjoki-Alavus area, South Pohjanmaa, Finland by Ilmari Haapala Geologinen tutkimuslaitos...PEGMATITES IN THE PERÄSEINÄJOKI-ALAVUS AREA, SOUTH POHJANMAA, FINLAND BY ILMARI HAAPALA WIT I-I 37 FIGURES...joints. A description of the general geology of the area, completed with a petrological and a tectonic map...bodies and fracture fillings. From the Haapaluoma pegmatite the following minerals, inter aha, are described:...and columbite are presented. From the Hunnakko pegmatite mineralogical description of montebrasite, alluaudite |  | | Journal (article/letter/editorial) | | occurred several hundred yards east of the parking area at the western base of the first east-west ridge...relative uniformity of regional metamorphism of the area. Although triplets of mica were previously unknown... The Chickering mine is located in the Keene pegmatite district of southwestern New Hampshire. Recognized...the Chickering is an important locality. The pegmatite was mined for potassic feldspar for an unknown...(1962). These authors noted that the Chickering pegmatite is well zoned and contains two zones typified |  | | Report (issue) | | triphylite, heterosite, rockbridgeite, cacoxenite, vivianite, fairfieldite, dickinsonite, eosphorite, stewartite...near Chanteloube, Haute-Vienne. At the Mangualde pegmatite, near Mesquitela, Portugal. In Germany, fine crystals...Hühnerkobel, near Zwiesel, Bavaria. In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten...Västerbotten, Sweden. From the Viitaniemi pegmatite, near Eräjärvi, Finland. In the USA, from the Strickland quarry...elsewhere in South Dakota. In Brazil, at the Sapucaia pegmatite mine, about 50 km east-southeast of Governador |  | | Journal (article/letter/editorial) | | ’analysis, 1,231 crystals yielded acceptable area calculations. Area calculations of these 1,231 crystals provide...calcite forms. The most important form, based on total area of the 1,231 crystals, is the prism ( lO.O}. The...4 6 I I I I I llll - The Madoc, Ontario, area is well known for its sulfosalts occurrences: Precambrian...interest to collectors is vivianite. First reported in 1915, Florida vivianite was referenced in the 7th...place, ironstone formations with varied habits of vivianite and repeated occurrences of microcrystalline beraunite |  | | Journal (issue) | | Richard A. Bideaux M ineralogist feature articles Pegmatite Phosphates: Descriptive Mineralogy and Crystal...exhibit available to serve such a large geographic area. A good part of the current revival of interest...roundup of the Micro Miner alogists of the Capital Area; the convention at Rochester, New York; the exhibition...much work on the mineralogy of the Oka, Quebec, area, a favorite collecting ground of most M ay—June...Supply Co. $65.00. The Mineralogical Record Pegmatite Phosphates: Descriptive Mineralogy and Crystal |  | | Book (volume) | | sufficiently complete reference books and databases in this area. The book “The Infrared Spectra of Minerals” (Farmer...2009) from the Yoko-Dovyren massif, Northern Baikal area 14 1 The Application of IR Spectroscopy to the...Ca2[Si2O5(OH)2]·H2O from the YokoDovyren massif, Northern Baikal area Fig. 1.18 IR spectrum of acid triorthosilicate...yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...Ulexite NaCaB5O6(OH)6·5H2O Locality: Bulganak area of mud volcanos, Kerch peninsula, Crimea, Ukraine |  | | Book | | a fracture, producing such forms as aegirine pegmatite. As well, hot hydrothermal fluids often carry...sediment sometimes form fossils. Orbicular granite, Finland * 99 x 74 x 31 cm. This uncommon type of intrusive...However, from deep inside an asteroid, similar to the area deep inside Earth if they are too big for the atmosphere...LEFT: Gold, Bralorne (Pioneer) Mine, Bridge River area, British Columbia, Canada * 7 x 6 x 1 cm 32. |...near Inverary, Strathclyde, Scotland; Outokumpu, Finland; Espedalen, near Lillehammer, Norway. Africa: |  | | Journal (issue) | | Pakenham on November 18, 1928, Brian lived in the area all his life. He left school at an early age and...literature. 5 Figure 1. Map of the Montréal, Québec area showing the location of the Francon quarry in relation...1968 the second level had been excavated over an area of about 215 400 meters, with the sill exposed...the benches being advanced to the southeast. This area became the focus of mineral collecting The Mineralogical...overtaken by urban development, with a residential area along its southwestern and northwestern perimeter |  | | Book (volume) | | Sweden, are more numerous than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last,...California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...individuals who have no experience outside of their home area. The first specimen that they see is by definition...replaced by a variety of minerals including calcite, vivianite, etc. Stilpnomelane has been found coating molds...for quarry Q, mine M, prospect P, locality L, and area A. Example: Newry - Bell Pit, Crooker Q, Dunton |  | | Book | | triangular agate, polygonal umgrentzte Achate (Ger.), pegmatite agates, quasicrystals, angle-plated quartz, Zwickelfülling...standards, crystal but also in the central left area. The arrows indicate the zones of dissolution and...with a crack running through the crystal with an area of rather uniform calcite orientation in the center...overall rate is controlled by the large surface area of the cuttlebone. As the reaction progresses the...exhibited in the the surface of a metasomatized area in chlorapatite 900 C, 1000 MPa FAP-KCl brine experiment |  | | Book (edition) | | (center) ameihyst, Veracruz, Mexico; (center) vivianite, Bolivia; (center, right) topaz, Thomas Mountains...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...southwestern Transbaikalia, and in the Lake Baikal area, USSR; at Pitigliano, Tuscany, Italy; and at the...pearly on cleavages. MODE OF OCCURRENCE: Found in an area along 8 AGRINIERITE the Kipawa River, Villedieu...ores from Cobalt, Ontario; in ore from the Red Lake area of Ontario; reported in ore from the Consols Mine | | | Book (edition) | | (center) amethyst, Veracruz, Mexico; ( center) vivianite, Bolivia; ( center, right) topaz, Thomas Mountains...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...southwestern Transbaikalia, 1u1.d in the Lake Baikal area, USSR; at Pitigliano, Tuscany, Italy; and at the...pearly on cleavages. MODE OF OCCURRENCE: Found in an area along 8 AGRINIERITE the Kipawa River, Villedieu...from Cobalr. Ontario; in ore fron1 rhe Red Lale area of Ontario; reponed in ore fron1 the Consols ~line |  | | Book (edition) | | feldspar and slightly smoky quartz, (b) Very coarse pegmatite at least 8 m (26 ft) thick at Urubu, near Araçuai...and elsewhere are famous for carrying gold, and pegmatite veins may contain minerals with rare elements...mountains where heat flow may be high over a wide area and the stresses and strains of mountain building...under both igneous rocks (as a stage following pegmatite formation where hydrothermal minerals were formed...precious opal found in volcanic rocks. In the Querétaro area of Mexico, fire opal has formed in cavities in rhyolite |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland