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| 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 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) |
| along a contact between serendibite and layers of phlogopite crystals. Further investigation of collected...uvite) and pink and blue spinel in addition to phlogopite and several unidenti fied euhedral minerals...throughout the Wausau complex. I n the massive pegmatite, it commonly forms brown prismatic crystals surrounded...Texas 77479. Recent quarrying at the Little Patsy pegmatite has led to the discovery of fluocerite-(Ce), (Ce...(Ce,La)F . The Little Patsy quarry pegmatite is a well-zoned, vertical pipelike body with a circular |
 | | Journal (article/letter/editorial) |
| manganite, molybdenite, muscovite, pectolite, phlogopite, prehnite, pyrite, pyroaurite, pyrrhotite, quartz...Hampton submitted several samples from an unnamed pegmatite feldspar mine in Middleton. Two of the specimens...quarry at Glendale has produced a large variety of pegmatite phosphate minerals. Among these is the species |
 | | Journal (article/letter/editorial) |
| The gemmy, intense purple apatites from this pegmatite mine have made Pulsifer the premier locality for...County, Massachusetts. Rather than a granite pegmatite, the geological environment in which this specimen...Central Metasedimentary Belt of the Grenville Province of Canada (Tait and Bainbridge 2013); the apatite-magnetite...(Belakovskiy 2013); and Mt. Xuebaoding, Sichuan Province, China (Rakovan 2013b). Many of these were mentioned...of Scandinavian apatite occurrences is the ore province of northern Norrbotten, Sweden. This is home to |
 | | Report (issue) |
| William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...the world's largest known beryl crystal is a pegmatite at Malakialina, Madagascar, which produced one...the giant-sized crystals found in the massive pegmatite portions. Morphology Beryl crystals are hexagonal |
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| crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...but Espenshade (1954) identifies it as a short unnamed inclined adit accompanied by a small dump about...his thesis on the minerals of the Hesse-Nassau Province in Germany. During the next two years Ahlfeld...the José Lippeheide mining company in the Basque province between 1953 and 1954. He published his monograph...Survey, GEOBOL. In 1963 he mapped the Ayopaya province for the German Mission at the age of 71, quite |
 | | Journal (issue) |
| e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...83 by R. Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas............. Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident;...our file of articles I realized we had enough pegmatite-related papers to fill an issue. One advantage...a certain article. The article on the Harding pegmatite, for instance, may not cause “Vol. 8, no. 2!” |
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| Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In 1978 a historic discovery...of that year all of Burma became officially a province of India. Immediately following the annexation...25-carat round 30 brilliant which then went to an unnamed American buyer; its current whereabouts are unknown...pegmatites, most notably at the rich Sakhan-gyi pegmatite mines. Crossed-hammer symbols indicating important...Thus syenite, granodiorite, leucogranite and pegmatite bodies entered the Mogok Metamorphic Belt system; |
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| Roland Bouhelier in 1973 from the "Bouhelier pegmatite", and shortly thereafter acquired by the Canadian...Organic compounds 491 Partially studied and unnamed MSH minerals 494 Gemstones 514 Pseudomorphs...an accumulated repository of partially studied (unnamed) minerals. This is likely to continue for many...concerning the origin of the Monteregian Hills alkaline province, and a brief description of each member. The geology...and partially studied and unnamed (UK) minerals. For the unresolved unnamed minerals, all available technical |
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| Strontian crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto)...21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 9 AUTHOR/TITLE...23:209-225. 23:228 Al 'JAJ\ABO~OINA The Anjanabonoina pegmatite. Madagascar (by W. E. Wilson) 20:191-200 A.'\...Cassedanne: Strontion crandallite from the Aho Benedito pegmatite, Para!ba, Brazil 22:183-185 BARRINGERHILL Tveitite...Fe•3 analogue of bjarebyite [from the Big Chief pegmatite, South Dakota] (by A. R. Kampf) 8: 112-114 BIG |
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| 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local people on Zagi...attributions-the Xinig mine, Quinghai Province, and the Nan Dang mine, Guangxi Province-and those seen at Tucson were...II mine, Kalahari field, Northern Cape [Cape] Province. Although not quite equaling the inesite specimens |
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| TURNEAURE, F. S. (1971) The Bolivian silver-tin province. Economic Geology, 66, 215-225. JACOBSON, H....deposits of the San Cristobal district, Villa Martin Province, Potosf, Bolivia. U.S. Geological Survey Bulletin...Argentina has come up with a surprise: a granite pegmatite locality. Xavier du Gromont is the geologist working...just three miniatures collected 15 years ago, is phlogopite and fluorrichterite crystals in crisp open groups...Township, W ilberforce, Ontario. The phlogopite is as beautiful as phlogopite can get: rich yellow-brown and |
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| with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known...including the region now known as the Eastern Pegmatite Province. Just below the center can be seen the Rio...of other pegmatite minerals. LOCATION AND ACCESS The Golconda District or Golconda Pegmatite Field, also |
 | | Journal (issue) |
| part of the Monteregian Hills alkaline igneous province. LOCATION The Francon quarry is unusual in being...Proterozoic Grenville Province, and on the southeast by the Humber Zone of the Appalachian Province. The sedimentary...Zone marks the western edge of the Appalachian Province. In the Montreal area, the Taconic Orogeny is...Hills alkaline igneous province its name (Adams, 1903). The Monteregian Province comprises an east-southeast-trending...which intrudes Proterozoic rocks of the Grenville Province; the major plutons Mont Royal, Mont SaintBruno |
 | | Book (volume) |
| California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...towns, counties, and districts in each state and province arranged alphabetically; with an appendix, containing...Mine in Topsham: both are small open pits in pegmatite. Morrill et al. (l 958) relieves the problem by...standard labeling procedures when they collect at unnamed sites. Locality data should be referred to nearby...addition to lacking verifiability. There are few unnamed spots in Maine. When a specific locality within |
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| INSIDE THIS ISSUE: • The geology of Double Rock pegmatite • The Kemble family, long-term Franklin mineral...Photos From the Field 11 Geology of Double Rock Pegmatite From the Buckwheat Open Cut, Richard A.Volkert...finds reported were aegirine, allanite crystals, phlogopite, fuzzy balls and tufts of dark green actinolite...crystals, epidote crystal druses, stromatolites, pegmatite with a pink scapolite/ diopside mix, and sparkly...International License. Geology of Double Rock Pegmatite From the Buckwheat Open Cut Richard A. Volkert |
 | | Report (issue) |
| Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...Phyllosilicates Lepidolite Biotite Zinnwaldite Phlogopite Glauconite Kaolinite Talc Muscovite (Sericite)...north side of the tunnel entrance to the Greene pegmatite three miles east-northeast of Pringle has been...southeast part of the Gayle (Dubuque)-Royal Flush pegmatite 5.9 miles southwest of Custer by Redden (5) p...schist exposed at the Beecher No. 3-Black Diamond pegmatite four and one-half miles south-southeast of Custer |
 | | Report (issue) |
| Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL...pocket] PLATE 1. Index map showing locations of pegmatite mines and prospects. 2. 3. 4. 5. 6. 7. 8. 9....Dakota. Geologic map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and...Geologic map and sections,' Elkhorn and Hot Shot pegmatite mines, Custer County, South Dakota. Geology of...of U. S. Bureau of Mines sample cuts, Elkhorn pegmatite, Custer County, South Dakota. Geologic map and |
