 | | Journal (article/letter/editorial) | | âPOCKETâ 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 WordsâBerthierine, 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) | | MINERALOGY OF AN EVOLVED DICKINSON COUNTY, MICHIGAN, PEGMATITE. T. W. Buchholz1, A. U. Falster 2, W. B. Simmons2...(1961) documented approximately ninety known pegmatite occurrences in central Dickinson County in the Upper...Upper Peninsula of Michigan. A small beryl-rich pegmatite was investigated to describe its mineralogy and...determine its degree of geochemical evolution. The pegmatite is emplaced in Lower Proterozoic metamorphic rocks...probable that the pegmatite is late- to post-Penokean in age. Local control for pegmatite emplacement appears |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES David M. Seaman American Museum of Natural History, New York...whereas the almandite-spessartites found in granite pegmatite are predominently trapezohedral crystals or else...The crystals occur most frequently in common pegmatite with microcline and orthoclase as the chief feldspars...and chalcocite was encountered in the Mica Lode pegmatite near the Royal Gorge in Fremont County, Colorado...calcium, and iron silicate. It is less common in pegmatite than almandite or spessartite. It is usually a |  | | Journal (article/letter/editorial) | | o f his 80 th birthday Summary Vermiculite occurrences in the Bohemian Massif occur in peridoties--serpentinites...of the Gf6hl unit. Three types of vermiculite occurrences are discernible on the basis of rock assemblages...the second and third group is poor in Ca. The occurrences of vermiculite are of potential industrial interest...1) Vermiculit gebunden an leukokrate G~inge (Pegmatite, Plagioklasite) und ihre Reaktionss~iume, mit...Lower Austria almost monomineralic vermiculite occurrences have been discovered in reaction zones between |  | | Journal (article/letter/editorial) | | which the prograde facies sequence is zeolite ÂŽ prehnite â pumpellyite ÂŽ pumpellyiDOI: 10.1127/0077-7757/2003/0178-0153...titanite and graphite. Carbonate, ilmenite and prehnite were identified in one place only. The 158 ...titanite, ilmenite with TiO2 intergrowths secondary prehnite, calcite, goethite and muscovite Detrital plagioclase...diameter in most of the studied samples. Well formed prehnite crystals (Si = 6.04, Al = 4.03, Ca = 3.85 a pfu...distinguish zeolite, prehnite â pumpellyite, prehnite â actinolite (termed prehnite-epidote by Powell et |  | | Journal (article/letter/editorial) | | pegmatitic rock. Fortunately for the collectors, the pegmatite veins occurred in schist and gneiss, both of which...mineral-rich area yielded amethyst, "butterfly" calcite, prehnite, and other interesting and colorful minerals during...collectors had purposely saved the excellent Paterson occurrences to round out their trip. Their return to PhiladelÂ...6:7-12, 57-61. Peters, J . J . 1984. Classic pegmatite occurrences in Delaware Coun ty, Pennsylvania. Rocks |  | | Report (issue) | | garnet, spinel and topaz are known from scattered occurrences, but their potential has never been tested. The...Greenland geological environment, not least the pegmatite occurrence, is definite justification for more...pinkish diamonds from Garnet Lake. 2 Diamond occurrences in southern West Greenland . 53°W 52°W 51°W...Mineral chemistry data for these occurrences, along with several occurrences in the Sarfartoq area, became...B. Weston Qororssuaq Nugussup Qavat RUBY OCCURRENCES Office: Vancouver Drawing: Scale: 1:200000 |  | | Journal (issue) | | concrete and used for road surfacing. Brazil, Bulgaria, China, and Cyprus also have asbestos quarries...the offices of Rocks and Minerals a specimen of pegmatite, about 2 x 2 x 3 inches in size, from the Barrus...brown and all three gemmy. Present also in the pegmatite was a tiny lustrous black platy ilmenite. - ...volcaruc grass areas where the horses can enjoy occurrences. The rocks are light-colored a few "fresh vegetables"...a magnificent specimen of white prehnite, if there is such a prehnite. JUNE 15, 1939. Spent the day at |  | | Book | | William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature. One...(see this entry for Actinolite, Fluorapatite, Prehnite, Pumpellyite). Ilmenite was found in numerous...of iron-rich inesite, manganese-rich (orange) prehnite, hydroxyapophyllite, pectolite and calcite. The...Swanson quarry, East Haddam, Middlesex County. The pegmatite of the Swanson quarry is locally famous for its...2002). AFRICA MOZAMBIQUE Nanro [Naquissupa] pegmatite, Alto Ligonha district, Zambezia Province. In |  | | Journal (issue) | | Zlobin, V. E. Sonyushkin,and Yu. S. Tislov OCCURRENCES OF IRIDESCENT PLAGIOCLASE AT THE ANABAR SHIELD...SWEDEN 5 Cover 1. Hambeigite. Ranglad 'skoye pegmatite field, E. Pamirs. 8x 4 cm. Specimen:A.M. Skrigitil'... P. Maksimov 191revealed rare-metal mineral occurrences in alkaline pegmatites of the massif and stated...and most interesting pegmatites of the Rangkul' pegmatite field are distributed over the area of the Muzkol-Rangkul'...with gemstones are distinguished in the Rangkul' pegmatite field. The first type comprises miarolitic pegmatites |  | | Book (edition) | | additional observations on tests and mineral occurrences that can be included in later editions of this...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...range from a millimeter to a centimeter and more. Pegmatite is the name for a very coarse granite in which...dioritic rock composed almost entirely of feldspar; occurrences in the Adirondacks, in Finland, and in Labrador |  | Sideridis, Alkiviadis, Zaccarini, Federica, Koutsovitis, Petros, Grammatikopoulos, Tassos, Tsikouras, Basilios, Garuti, Giorgio, Hatzipanagiotou, Konstantinos (2021) Chromitites from the Vavdos ophiolite (Chalkidiki, Greece): Petrogenesis and geotectonic settings; constrains from spinel, olivine composition, PGE mineralogy and geochemistry. Ore Geology Reviews, 137. 104289pp. doi:10.1016/j.oregeorev.2021.104289 | Journal (article/letter/editorial) | | degrees (Agiorgitis and Wolf, 1978). Chromitite occurrences in W. Chalkidiki appear to repre sent supra-subduction...samples from chromitite, harzburgite and dunite occurrences were collected throughout the Vavdos ophiolite...~ 3 km-thick oc currences (distance between occurrences ~ 5 km) extend along a ~ 50 km NE-SW line. Harzburgite... 2010). Geophysical studies show that these occurrences represent a continuous ophiolitic belt (Kiriakidis...Savvaidis et al, 2000). The ages reported for these occurrences are near synchronous with a short time span ranging |  | | Book (edition) | | additional observations on tests and mineral occurrences that can be included in later editions of this...which 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 P1. 6, 2). The rock collectorâs variety will...may range from Me to %in. (1 mm-1 cm) or more. Pegmatite is the name for a very coarse granite (see Pls...CLASSIFICATIONS is composed almost entirely of feldspar; occurrences in the Adirondacks and in Labrador of labradorite |  | | Book (volume) | | California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...associated species related to their individual occurrences, and unique scientific information may be derived...anastomosing beds, debouching streams, etc. Occurrences which are located have been mapped in the cited...will be described according to their specific occurrences, frequently with sufficient detail to note the...usually demonstrate the morphologies discussed. Occurrences which have not been personally viewed will rely |  | | Book | | MB/ are a series of maps to give the mineral occurrences both a spatial and geological context, and some..."British" species. A further 11 British first occurrences have since been recorded from specimens held...species to his increasing list of British first occurrences. What went unnoticed at the time was that the...several of these, including brcithauptite and prehnite). It is the number of Kingsbury's publications...magnesite after Magnesia. in Thessaly, Greece). Prehnite was the first species named after a person (Colonel |  | | Book (edition) | | additiona l observations on tests and on mineral occurrences which can be included in later editions. There... Fluorite (octahedron), Sylvite, Atacamite 5 Pegmatite Quarry and a Traprock Quarry : 6 Iron, Arsenic...Labradorite, Sodalite 19 Lazurite, Chabazite, Prehnite, Diopside, Rhodonite, Benitoite 20 Eudialyte,...Schist 317 44 Sedimentary Rock Outcrops and a Pegmatite Quarry 45 Gummite, Uraninite, Autunite, Uranium...which cut through the strata, giving isolated occurrences of igneous rocks in a great sedimentary terrain |  | | Journal (issue) | | Fault (Ratcliff, 1973). These are very minor occurrences. On the north side of the district the major...Copper Area,â but no mine names were given or any occurrences described. Weed (1912) mentioned pale cream-yellow...â but no mine names were given, nor were the occurrences described. Weed (1912) described chalcopy46 ...of Thompson (1916), who described two major occurrences: (1) in the Anaconda-age veins and horsetail...have been named in the Geology section. Minor occurrences of covellite mentioned by Thompson (1916) include |  | | Book | | Geological Outlook Genetic Types of Mineral Occurrences References 15 20 28 Mineralogical Regions Czech...mineral species, and their prime or significant occurrences, are given for each of the 1.000 mineral species...Budapest), for critical comments about mineral occurrences. TĂmea SzabĂł (Herman OttĂł Mu seum), for compilation...epigenetic overprints. The most significant mineral occurrences in the West Carpathians include: iron sul phides...rise to both magmatic and sedimentary mineral occurrences. The West Carpathi ans exhibit the most interesting |  | | Journal (issue) | | single species: pyromorphite. Only a handful of occurrences worldwide are recognized as classic localities...vein thickness, measuring up to 2 m. Galena occurrences are mostly very fine-grained and commonly contain...the copper rests. Of lesser importance are the occurrences in the other mines, crystals up to 1 cm in size...Friedrichssegen mine (Sadebeck, 1876). Sphalerite (Zn,Fe)S Occurrences of sphalerite at Bad Ems were minor. Specimens...Fluorescent Datolite â
Datolite â
Mohawkite â
Prehnite with Copper and Silver Wires â
New find: Cuprite |  | | Book (volume) | | Ostrosi Romania by V. Ianovici and M. Borcos Bulgaria by B. Bogdanov Greece by G. Marinos Cyprus by..._ Belgium; Southeast Europe includes Albania, Bulgaria, Cyprus, Greece, Hungary, Romania and Yugoslavia;...Molybdenum mineralization Uranium mineralization Pegmatite deposits The Dinarides region sensu stricto Hercynian...183 185 185 186 Tungsten ore deposits . Tin occurrences . Mercury mineralization Uranium ore deposits...Mineral deposits Internal zones External zones Bulgaria by B. Bogdanov Introduction : Structural netallogenic |  | | Book | | H H O H Ctf c/3 O H DEEP LEVEL aplite, pegmatite foliated, gneissic, migmatitic granite Ď pc...leucocratic equivalents, polymineralic (e.g. aplite, pegmatite) or monomineralic (vein quartz); and (3) lamprophyres...notable for the presence of a relatively widespread pegmatite, an unusual member of epizonal plutons. Boulder...stage quartz-feldspar rocks (aplite, alaskite, pegmatite) apparently transitional into hydrothermal metasomatites...W, Sn and 17 Au medium-to-small deposits and occurrences. Unfortunately, no size or tonnage figures are |  | | Journal (article/letter/editorial) | | Pilbara pegmatite province in the Archean North Pilbara Craton contains at least 120 pegmatite deposits...deposits in over 27 pegmatite groups and fields, including the giant Mount Cassiterite tantalum orebody in...in the Wodgina pegmatite district. Generally, rare metal pegmatites in the province are hosted by mafic-ultramafic...that have given rise to different petrogenetic pegmatite suites can be identified in processed radiometric...character that permitted formation of significant pegmatite mineralization. They represent the culmination |  | | Book | | monzonlte, d i o r i t e O 3 DEEP LEVEL aplite, pegmatite foliated, gneissic, migmatitic granite Pi Q...leucocratic equivalents, polymineralic (e.g. aplite, pegmatite) or monomineralic (vein quartz); and (3) lamprophyres...notable for the presence of a relatively widespread pegmatite, an unusual member of epizonal plutons. Boulder...stage quartz-feldspar rocks (aplite, alaskite, pegmatite) apparently transitional into hydrothermal metasomatites...W, Sn and 17 Au medium-to-small deposits and occurrences. Unfortunately, no size or tonnage figures are | | | Book | | mineral species. and their prime or significant occurrences. are given for each of 1he 1.000 mineral species...Budapest). for critical comments about mineral occurrences. Timea Szab6 (Herman Ott6 Mueum). for compilation...host different types of mineral deposits, or occurrences, as a function of their relationship to the primary...epigenetic overprints. The most significant mineral occurrences in the West Carpathians include: iron sulphides...ngly dis me mbe red me tagabbroic body. Large pegmatite bodies, gene tically re lated to the M2 me tamorphic |  | | Book (volume) | | various places, especially in regard to diamond occurrences which promise to make the North American continent...Ul co.cc cket ec ek Figure 15. Elizabeth R.âpegmatite mine, Pala, San Diego County, CA <2.-.cct sees:...Figure 28. De KalbyiN 135 Figure 29. Morefield pegmatite mine Ameliaâ CountysVAce...kee en eee co ee 146...146 Figure 30. Map of Morefield pegmatite body, Amelia County, VA ............ecsssecseeeenee eal ...tromelndonesian 186 Figure 34. Map of nephrite jade occurrences from Alaska to California... cesses 189 Figure |
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