 | Roda-Robles, E., Simmons, W., Pesquera, A., Gil-Crespo, P. P., Nizamoff, J., Torres-Ruiz, J. (2015) Tourmaline as a petrogenetic monitor of the origin and evolution of the Berry-Havey pegmatite (Maine, U.S.A.) American Mineralogist, 100 (1) 95-109 doi:10.2138/am-2015-4829 | Journal (article/letter/editorial) | | Mineralogist, Volume 100, pages 95–109, 2015 Tourmaline as a petrogenetic monitor of the origin and evolution...evolution of the Berry-Havey pegmatite (Maine, U.S.A.) Encarnación Roda-Robles1,*, William Simmons2,...pegmatite (Oxford pegmatite field, Androscoggin County, Maine, U.S.A.), enriched in Li, F, B, Be, and P, is intruded...main minerals are quartz, feldspars, Al-micas, tourmaline, with minor Fe-micas, garnet, beryl, amblygonite-montebrasite...amblygonite-montebrasite, Fe-Mn phosphates, and apatite. Tourmaline is present in all zones of the pegmatite, showing |  | | | | from the Dunton Quarry, Newry, Oxford County, Maine, USA F. C. HAWTHORNE1,*, N. A. BALL1, J. W. NIZAMOFF2...University of New Orleans, New Orleans, Louisiana 70148, USA 2 [Received 8 April 2009; Accepted 6 July 2009]...giant 1972 gem tourmaline-bearing pocket at the Dunton Quarry, Newry, Oxford County, Maine, USA. It occurs...exceeding 1 mm in maximum dimension and perched on tourmaline. These grains are complex aggregates of three...Zr(PO3OH)2(H2O)4. Zigrasite is associated with tourmaline, microcline, quartz, albite, beryl, amblygonite-montebrasite |  | | Journal (article/letter/editorial) | | 3749/canmin.1600013 IRON-BEARING POLLUCITE AND TOURMALINE REPLACEMENT OF GARNET IN THE GARNET LINE IN THE...PEGMATITES, WESTERN MAINE MYLES FELCH§, ALEXANDER U. FALSTER, AND WILLIAM B. SIMMONS Maine Mineral and Gem...Museum, PO Box 500, 99 Main Street, Bethel, Maine 04217 USA ABSTRACT The garnet line is a planar fabric...just beneath the core zone in many of the western Maine pegmatites. This study focuses on the mineralogical...line within the Mt. Mica pegmatite, Oxford Co., Maine and a similar, but less pronounced, garnet line |  | | Journal (article/letter/editorial) | | of Pegmatites from the Oxford Pegmatite Field (Maine, USA) Lorena Hernández-Filiberto 1, *, Encarnación...of Pegmatites from the Oxford Pegmatite Field (Maine, USA). Minerals 2021, 11, 802. https:// doi.org/10...roda@ehu.es Maine Mineral & Gem Museum, P.O. Box 500, 99 Main Street, Bethel, ME 04217, USA; wsimmons@uno...petrogenetic indicator; Oxford pegmatite field; Maine Received: 7 June 2021 Accepted: 19 July 2021 Published:...phase in the pegmatites from the Oxford County (Maine, USA). As in other pegmatitic belts, when pegmatites |  | Roda-Robles, Encarnación, Pesquera-Pérez, Alfonso, Simmons, William B., Gil-Crespo, Pedro Pablo, Falster, Alexander U. (2019) Evidence for internal fractionation from Li isotopes in tourmaline and mica in the Berry-Havey rare-element pegmatite (Maine, USA) The Canadian Mineralogist, 57 (5) 779-782 doi:10.3749/canmin.ab00020 | Journal (article/letter/editorial) | | Li ISOTOPES IN TOURMALINE AND MICA IN THE BERRY-HAVEY RARE-ELEMENT PEGMATITE (MAINE, USA) ENCARNACIÓN... Spain WILLIAM B. SIMMONS Maine Mineral & Gem Museum, Bethel, Maine, USA PEDRO PABLO GIL-CRESPO Mineralogy...U. FALSTER Maine Mineral & Gem Museum, Bethel, Maine, USA Keywords: Li isotope, tourmaline, mica, fractionation...Barnes et al. 2012). The BerryHavey pegmatite (Maine, USA) is an excellent example of a zoned, highly evolved...to establish § the Li isotopic variation in tourmaline and mica through different zones of the Havey |  | Simmons, William, Falster, Alexander, Webber, Karen, Roda-Robles, Encarnación, Boudreaux, Andrew P., Grassi, Leah Rae, Freeman, Gary (2016) Bulk Composition of Mt. Mica Pegmatite, Maine, USA: Implications For the Origin of An Lct Type Pegmatite By Anatexis. The Canadian Mineralogist, 54 (4) 1053-1070 doi:10.3749/canmin.1600017 | Journal (article/letter/editorial) | | 1600017 BULK COMPOSITION OF MT. MICA PEGMATITE, MAINE, USA: IMPLICATIONS FOR THE ORIGIN OF AN LCT TYPE PEGMATITE...FALSTER, AND KAREN WEBBER Maine Mineral and Gem Museum, 99 Main St, Bethel, Maine 04217, U.S.A. ENCARNACIÓN...Paris, Maine 04281, U.S.A. ABSTRACT The Mt. Mica pegmatite is famous for producing gem tourmaline for nearly...composition, anatexis, Sebago Migmatite Domain, Maine. § Corresponding author e-mail address: wsimmons@uno...occurrence of tourmaline in North America (Hamlin 1873, 1895) and is famous for producing gem tourmaline for nearly |  | | Journal (article/letter/editorial) | | the Sebago granite–pegmatite system, southern Maine, USA Michael A. Wise*, Cathleen D. Brown Department...situated in the Oxford pegmatite field, southwestern Maine. Surrounding the pluton is an area designated as...aplite and potassic pegmatite pods hosting rare tourmaline, beryl and columbite–tantalite. Over 100 granitic...chemistry, petrology, geochemistry, Sebago, southern Maine Received: 1 October 2009; accepted: 30 March 2010;...Introduction The granitic pegmatites of southern Maine represent one of several major pegmatite regions |  | Webber, Karen L., Simmons, William B., Falster, Alexander U., Hanson, Sarah L. (2019) Anatectic pegmatites of the Oxford County pegmatite field, Maine, USA. The Canadian Mineralogist, 57 (5) 811-815 doi:10.3749/canmin.ab00028 | Journal (article/letter/editorial) | | FIELD, MAINE, USA KAREN L. WEBBER§, WILLIAM B. SIMMONS, AND ALEXANDER U. FALSTER 2 Maine Mineral...MP Research Group, 99 Main Street, Bethel, Maine 04217, USA SARAH L. HANSON Adrian College, Geology Department...Michigan 49221, USA Keywords: rare-element-pegmatite, anatexis, Oxford County pegmatite field, Maine. INTRODUCTION...Central Maine Belt (CMB) of western Maine, are renowned for the production of gem tourmaline, beryl,...represent a previously undocumented magmatic episode in Maine. Corresponding author e-mail address: kwebber@uno |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology 9 Springer-Verlag 1992 Tourmaline in a low grade clastic metasedimentary rock:...rock: an example of the petrogenetic potential of tourmaline Darrell J. Henry and Barbara L. Dutrow Department...70803, USA Received September 3, 1991 / AcceptedJune 11, 1992 Abstract. Detrital tourmaline grains and...and their associated tourmaline overgrowths provide a means to unravel the provenance and petrogenetic...metasedimentary rocks. Evidence derives from tourmaline grains found in a lithic wacke metamorphosed |  | | Journal (article/letter/editorial) | | South Dakota, and the Appalachian orogen in Maine, both in the USA, and the ongoing Himalayan orogen. Characteristics...orogens, including the 400–270 Ma leucogranites of Maine, USA, which were generated during the Appalachian...leucogranites of the Black Hills, South Dakota, USA, which are the products of melting in the southern...muscovite is a characteristic mineral, along with tourmaline or biotite. Almandine-spessartine garnet and...and minor sillimanite can also occur. Tourmaline and biotite are often exclusive of each other. Biotite |  | | Journal (article/letter/editorial) | | American Mineralogist, Volume 70, pages 1-15, 1985 Tourmaline as a petrogeneticindicator mineral: an examplefrom...examplefrom the staurolite-grademetapelitesof NW Maine Dnnnnn J. HeNnyr Lunar and Planetary Institute 3303...Geological Sciences University of Maine, Orono, Maine 04473 Abstract Tourmaline, a mineral often overlooked...of possible substitutions in tourmaline, generalizationsrelating tourmaline compositionand rock type are...diagramsfor tourmaline from different rock types. As an example of the utility of tourmaline in petrologic |  | Simmons, William B., Freeman, Gary, Falster, Alexander, Laurs, Brendan, Webber, Karen (2005) New tourmaline production: From Mount Mica, Maine America's First gem pegmatite. Rocks & Minerals, 80 (6) 396-408 doi:10.3200/rmin.80.6.396-408 | Journal (article/letter/editorial) | | N ew Tourmaline Production Downloaded by [The University of Texas at El Paso] at 08:49 30 December...December 2014 from Mount Mica, Maine AmericaÕs First Gem Pegmatite WILLIAM B. “SKIP” SIMMONS Department of...Coromoto Minerals, LLC 48 Lovejoy Road South Paris, Maine 04281 ALEXANDER FALSTER Department of Geology and...Orleans, Louisiana. Gary Freeman, of South Paris, Maine, is the owner of Mount Mica and Coromoto Minerals...Elbaite, 3.1 cm high, Mount Mica, Oxford County, Maine. Jeff Scovil photo. Figure 2. Elbaite, 6.5 cm |  | | Journal (article/letter/editorial) | | South Dakota, and the Appalachian orogen in Maine, both in the USA, and the ongoing Himalayan orogen. Characteristics...orogens, including the 400–270 Ma leucogranites of Maine, USA, which were generated during the Appalachian...leucogranites of the Black Hills, South Dakota, USA, which are the products of melting in the southern...muscovite is a characteristic mineral, along with tourmaline or biotite. Almandine-spessartine garnet and...and minor sillimanite can also occur. Tourmaline and biotite are often exclusive of each other. Biotite |  | Marchal, Karen L., Simmons, William B., Falster, Alexander U., Webber, Karen L., Roda-Robles, Encarnación (2014) GEOCHEMISTRY, MINERALOGY, AND EVOLUTION OF Li-Al MICAS AND FELDSPARS FROM THE MOUNT MICA PEGMATITE, MAINE, USA. The Canadian Mineralogist, 52 (2) 221-233 doi:10.3749/canmin.52.2.221 | Journal (article/letter/editorial) | | AND FELDSPARS FROM THE MOUNT MICA PEGMATITE, MAINE, USA Karen L. MARCHAL§, William B. SIMMONS, Alexander...as F-rich lepidolite, pollucite pods, elbaite tourmaline, Cs-rich beryl, and spodumene in miarolitic cavities...as the first reported discovery of gem-quality tourmaline in North America (Simmons et al. 2005a, 2013)...for gem tourmaline. The Mount Mica pegmatite, located near the town of Paris, Oxford Co., Maine, is situated...situated within the Central Maine belt (CMB) that formed during the Acadian orogeny (Solar & Brown 2001) |  | | Report (issue) | | Pattern: Dunton Quarry, Newry, Oxford County, Maine, USA. 9.550 (100), 4.108 (70), 4.411 (50), 4.008 (50)...13 18.60 0.05 99.62 (1) Dunton Quarry, Newry, Maine, USA; average of 6 electron microprobe analyses; corresponds...Occurrence: One of the last minerals formed in a tourmaline-bearing pocket in a complex rare-element granitic...granitic pegmatite. Association: Tourmaline, microcline, quartz, albite, beryl, amblygonite-montebrasite...“giant 1972” tourmaline-bearing pocket, Dunton Quarry, Newry, Oxford county, Maine, USA. Name: Honors |  | | Journal (issue) | | Robert B. Cook Auburn University, Al Carl A. Francis Maine Mineral & Gem Museum, ME John Rakovan New Mexico...across a local area net\,vork. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk)...Southwood Melbourne, Australia Woodrow B. Thompson, Maine Geological Survey, Augusta, ME John S. White, Stewartstown...Recipient of the Maine Mineral & Gem Museum's 2023 Heritage Award Donald A. Dallaire 56 Maine Pegmatite Workshop: |  | | Journal (article/letter/editorial) | | Zapot pegmatite, Gillis Range, Mineral Co., Nevada, USA. Named in honor of W.B. Simmons. The sample is 1...are sources of gem-quality crystals of beryl, tourmaline, topaz, spodumene, and spessartine. Historic...colored gemstones, including varieties of beryl, tourmaline (see Pezzotta and Laurs 2011), topaz, spodumene...Aquamarine (green-blue to blue beryl variety) and tourmaline commonly occur in massive quartz or feldspar...Orleans, 2000 Lakeshore Drive New Orleans, LA 70148, USA E-mail: wsimmons@uno.edu 2 Museo di Storia Naturale |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 84, pages 794–805, 1999 Tourmaline-rich pseudomorphs in sillimanite zone metapelites:...as open vs. closed system processes. Prograde tourmaline-rich muscovite pseudomorphs after staurolite...adjacent to peraluminous granitoid intrusives in NW Maine. Tourmalines occur in discrete domains restricted...pseudomorphs with biotite-rich margins. These tourmaline grains are relatively large (≤1.0 mm), lack detrital...compositional zoning, in sharp contrast to matrix tourmaline from other samples. These features suggest fluid-infiltration |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 84, pages 794–805, 1999 Tourmaline-rich pseudomorphs in sillimanite zone metapelites:...as open vs. closed system processes. Prograde tourmaline-rich muscovite pseudomorphs after staurolite...adjacent to peraluminous granitoid intrusives in NW Maine. Tourmalines occur in discrete domains restricted...pseudomorphs with biotite-rich margins. These tourmaline grains are relatively large (≤1.0 mm), lack detrital...compositional zoning, in sharp contrast to matrix tourmaline from other samples. These features suggest fluid-infiltration |  | | Journal (article/letter/editorial) | | Geological Sciences, University of Maine, Orono, Maine 04469, USA Edward S. Grew Martin G. Yates Institute...University of New Mexico, Albuquerque, New Mexico 87131, USA Charles K. Shearer Michael Wiedenbeck Introduction...type locality. Grandidierite, kornerupine and tourmaline were originally described from this zone by Anderson...University of New Mexico, Albuquerque, New Mexico 87106, USA present paper we report the details on the werdingite...grandidierite (55-75%) and subordinate koruerupine and tourmaline constitute a 'boron zone' in a sequence of enderbite |  | | Report (chapter) | | Sciences, University of Missouri, Columbia, MO 65211, USA * Corresponding author (e-mail nabelekp@missouri...are peraluminous with muscovite, biotite and tourmaline as characteristic minerals. Isotopic ratios uniquely...minerals, principally biotite and tourmaline (Fig. 1). Muscovite and tourmaline reflect the peraluminous compositions... South Dakota (USA), Paleozoic Central Maine Belt A in the Appalachian Orogen (USA), Hercynian terrains...injected sills, particularly those that contain tourmaline, are frequently SC differentiated, displaying |  | | Journal (issue) | | bird's nest" from Bisbee (Cochise Co., Arizona, USA) (Conti nues on page 2) lJll1l!D1erstaJ111dnilllg...Edition C D! Just $49.95 + $5 Priority s/1, in USA www .excaliburn1ineral.com The MA TJRli:X JIIIBdlex...crossed over a rounded hill and suddenl y the tourmaline mine was visible ahead. about 30 yards fro m...tarpaulin and located on the right side of the T he tourmaline that I held in my hand looked quite interesting...ggings. That day the miners had been working a tourmaline from northern V ietn nm. 1 th ought that it w |  | Roda-Robles, Encarnación, Pesquera, Alfonso, Simmons, William B., Gil-Crespo, Pedro Pablo, Nizamoff, James W., Falster, Alexander U. (2019) Geochemistry of primary Fe-Mn phosphates from CaÑada (Spain) and Palermo (USA) pegmatites and petrogenetic implications. The Canadian Mineralogist, 57 (5) 783-785 doi:10.3749/canmin.ab00021 | Journal (article/letter/editorial) | | Fe-Mn PHOSPHATES FROM CAÑADA (SPAIN) AND PALERMO (USA) PEGMATITES AND PETROGENETIC IMPLICATIONS ENCARNACIÓN...PESQUERA AND WILLIAM B. SIMMONS Maine Mineral & Gem Museum, Bethel, Maine, USA PEDRO PABLO GIL-CRESPO Mineralogy...Drive, Hebron, Maine, USA ALEXANDER U. FALSTER Maine Mineral & Gem Museum, Bethel, Maine, USA Keywords:...composition of silicates, such as micas, K-feldspar and tourmaline, have been often used as petrogenetic indicators...Spain; and Palermo #1, Palermo #2 and Small Palermo, USA) of the rare-element type, beryl-phosphate subtype |  | | Journal (article/letter/editorial) | | reconnaissance of the boron isotopic composition of tourmaline GEORGE H. SWIHART* and PAUL B. MOORE Department...composition of tourmaline from some boron-rich associations has been made. The results for tourmaline from metasedimentary...per mil and seawater with b”B = +39.5 per mil. Tourmaline samples from granitic pegmatites (n = 6), on...indication of the range of boron isotopic variation in tourmaline, some of the processes leading to this range...predominant boron host mineral in pegmatite, tourmaline, may be indicative of the range of boron isotopic |  | | Journal (article/letter/editorial) | | FROM THE PULSIFER GRANITIC PEGMATITE, POLAND, MAINE, USA M I C H AE L A. W IS E Department of Mineral...Smithsonian Institution, Washington D.C., 20560, USA Abstract—A new occurrence of berthierine has been...in the Pulsifer granitic pegmatite, near Auburn, Maine. Berthierine was found in miarolitic cavities (‘pockets’)...Miarolitic Cavity, Hydrothermal Fluids, Pulsifer, Maine. INTRODUCTION Berthierine is an Fe2+-rich trioctahedral...field examination of granitic pegmatites in western Maine, crystal aggregates of an unknown sheet silicate |
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Dunton Gem Quarry, Newry, Oxford County, Maine, USA