 | Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021 | Journal (article/letter/editorial) | | in 1996. THE EMMONS PEGMATITE Greenwood Oxford County, Maine The Emmons pegmatite, noted for its many...WEBBER MP2 Research Group Maine Mineral & Gem Museum 99 Main Street Bethel, Maine 04217 alexander.falster@gmail...Hebron, Maine 04238 phosphate@gmail.com RAYMOND A. SPRAGUE* 33 Roger Street Lewiston, Maine 04240 *...Deceased 16 April 2019. HE MINERALOGY AND ORIGIN OF MAINE PEGMATITES have been a principal focus of our research...in 2014 from New Orleans, Louisiana, to Bethel, Maine, greatly facilitated resumption of our study of |  | | Journal (article/letter/editorial) | | VARIATIONS IN COLUMBITE-GROUP MINERALS FROM GRANITIC PEGMATITES OF THE BRUNSWICK AND OXFORD FIELDS, MAINE: DIFFERENTIAL...FRANCIS Mineralogical Museum, Harvard University, 24 Oxford Street, Cambridge, Massachusetts 02138, U.S.A....field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine, are intruded by numerous...numerous rare-element granitic pegmatites that carry columbite-group minerals (CGM) as the principal (Nb,Ta)-bearing...Ta)-bearing phases. Generally, the CGM from Maine are hosted by pegmatites characterized by a LCT (Li–Cs–Ta) |  | | Journal (article/letter/editorial) | | series, pollucite, tantalite-(Fe) and tantalite-(Mn), i.e., super-LCT deposits. Keywords: granitic pegmatite...inward, and give way in the intermediate zone to Mn-enriched fluorapatite. At the core margin, pods of...generation of pyrochlore, betafite, fersmite and columbite, as well as a very late Ta-dominant mineral, microlite...the left is divided into two parts; in region A, Mn, initially at 0.4 atoms per formula unit (apfu),...B, the zoned crystal remains largely Mn-free. In addition to Mn, Na also shows a dramatic drop, down |  | | Journal (issue) | | Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA, A.,...assemblage in the Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual..., RODA-ROBLES, E., VILLASECA, C., SIMMONS, W. Fe-Mn-(Mg) distribution in primary phosphates and silicates...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P...characterization of an unknown metamict phase from Tuften quarry, Larvik area, S Norway………………………………………………………………………………………………………… |  | 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...Coromoto Minerals, LLC, 48 Lovejoy Road, South Paris, Maine 04281, U.S.A. ABSTRACT The Mt. Mica pegmatite is...composition, anatexis, Sebago Migmatite Domain, Maine. § Corresponding author e-mail address: wsimmons@uno...Most of the exposed bedrock of Maine is Paleozoic in age. Western Maine has been affected by several orogenic |  | | Journal (issue) | | $324/three years, (Canada) $186/one year, (outside USA other than Canada) $265 for one year Subscription...Sally Bergmann Stephen Neely Paul Geffner & Lisa Bennett Stuart Wilensky Stephanie & Robert Snyder Paradise...volume 50, May–June, 2019 Gold | Eagle’s Nest Mine, USA 11.0 x 8.5 x 2.0cm 239 Azurite and Cerussite...drone photo. Figure 5. Aerial view of the Sosedka quarry, showing the size of the pegmatite as well as contacts...freshly-opened pocket in the floor of the Sosedka quarry. Note water pump hose leading into the pocket, |  | | Book | | be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS...Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm Corundum, Mozambique * 17 x 11...typical crystal shape. Goethite, Tintic, Utah, USA * 16.5 x 3.5 x 2.5 om Drusy These minerals have...linarite, Bingham, New Mexico, USA * 9x 75 x 2.cm Arborescent copper, Michigan, USA * 35 x 8 x 1 cm Radiating |  | | Journal (issue) | | $315/three years, (Canada) $180/one year, (outside USA other than Canada) $259 per year Subscription (individuals...Peter Bancroft (deceased) Paul Geffner & Lisa Bennett (2009–2016) Dave and Kathy Waisman (2014–2016)...including pollucite, beryllonite, childrenite, tantalite-(Mn), väyrynenite and viitaniemiite. The pegmatite swarms...viitaniemiite, väyrynenite, microlite and tantalite-(Mn). Sadly, many people involved in the distribution...pollucite, väyrynenite, viitaniemiite, tantalite-(Mn), triplite and several still-unknowns. The pegmatites |  | | Journal (issue) | | Fluorapatite, 3.3-cm crystal, from the Pulsifer quarry, Maine. Collected by Terry Szenics; Jeff Scovil photo...rosette, with prehnite, 14 cm, from the Centreville quarry, Fairfax, Virginia. Smithsonian Institution collection...C6649; Lee Boltin photo. Fairfax Quarry, Virginia, 1967 The Fairfax quarry in Virginia is a classic locality...northeastern corner of the Fairfax quarry in Centreville, Virginia. I visited the quarry the next weekend. Nothing...15 feet to the left, parallel to the wall of the quarry. This tube varied from 6 inches to 2 feet wide |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...................3 by W. E. Wilson The Keweenaw County Fissure Mines......................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan........................................Stefano & P. Persson The Central Mine, Keweenaw County, Michigan........................................& C. J. Stefano The Copper Falls Mine, Keweenaw County, Michigan............................85 by C. J |  | | Book | | Saint-Hilaire pluton 36 Geology of the Poudrette quarry Miarolitic cavities in nepheline syenite Sodalite...progressed well through repeated visits to the operating quarry and collaborations with visiting professionals...chiseling away at the quarry walls. Intrigued, they later ventured into the quarry and discovered what...the search continues; their latest visit to the quarry took place in July 2018. Additions were made to... This small unassuming hill with a dusty stone quarry on its north flank, which some enthusiastic collectors |  | | Journal (article/letter/editorial) | | F-poor montebrasite, and carbonate- and boron-enriched Mn-fluorapatite in the core zone (Cst2), and 3) the...montebrasite, and carbonate- and boron-enriched 37 Mn-fluorapatite in the core zone (Cst2), and 3) the...amounted 20,000 t of cassiterite and 4000 t of columbite-tantalite. 207 Currently, the GDS is artisanally...using 232 synthetic fluid inclusions (Syn Flinc, USA) of the systems H2O–CO2, H2O–NaCl, H2O–KCl and 233...Rb, Sr, Cs, and Ba 319 and 10 ms for Na, Mg, K, Mn and Fe were selected to enhance the number of counts |  | | Journal (issue) | | $324/three years, (Canada) $186/one year, (outside USA other than Canada) $265 for one year Subscription...Sally Bergmann Stephen Neely Paul Geffner & Lisa Bennett Stuart Wilensky Stephanie & Robert Snyder Paradise...northern shore, Sebastião Fernandes Tourinho found a quarry of emeralds and another Figure 2. Location map...pegmatite dikes in which beryl, mica, tourmaline and columbite-(Fe) are found. The rocks are usually decomposed...tourmaline, morganite, aquamarine, cassiterite, tantalite-(Mn), microlite, spodumene, cookeite and spessartine |  | | Book | | (Royal Museum and Museum of Scotland), Edinburgh; Oxford University Museum of Natural History; Royal Cornwall...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto ...with older fluorite specimens from Weardale in County Durham being a case in point. Many of these specimens..."Cumberland", "Alston" or "Alston Moor" (Cumberland as a county no longer exists, as it was merged with Westmorland...Westmorland in the mid- I 970s to form the new county of Cumbria). The confusion appears to have occurred during |  | | Book | | 130–140 In (Hg2)3(AsO4)2 (Baran et al. 1999b) VI Mn –O *310 Octahedra with 8 edges shared per MnO6...water preferably occupies unit cells in which Fe or Mn are substituted with calcium that is present in these...(MgR2+R2+)– OH–□ and (MgMgR3+)–OH–□ where R = Fe or Mn (Ishida and Hawthorne 2001). Consequently, taking...2001; see Table 1.6). As a result of annealing of Mn-bearing arfvedsonite in air, the OH stretching band...OH-stretching bands for richteritic amphiboles (R = Fe or Mn) according to Ishida and Hawthorne (2001) Band Configuration |  | | Book (chapter) | | synthetic Ca2Mn14O27, AM 87, 582 (2002). Ca-bustamite = Mn-rich wollastonite, AM 65, 982 (1980). Ca-Ce fluorocarbonate...48, 1184 (1963); 50, 1141 (1965). calaimangite = Mn-rich calcite, Clark 652 (1993). calaïte = turquoise...calcite-rhodochrosite = Mn-rich calcite, Clark 105 (1993). calcite-rhodocrosite = Mn-rich calcite, de Fourestier...Calciumrhodochrosit = kutnohorite ± Ca-rich rhodochrosite ± Mn-rich calcite, Chudoba EII, 66 (1954). calciumrhodocrosite...calciumrhodocrosite = kutnohorite ± Ca-rich rhodochrosite ± Mn-rich calcite, de Fourestier 59 (1999). calcium-rinkite |  | | Journal (volume) | | (Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania) (Hungary)...(Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania) (Slovakia) (China) (Germany)...(Germany) (Poland) (Italy) (Czech Republic) (Romania/USA) (Germany) (Hungary) (Russia) (Czech Republic) (Japan)...Laboratory, Carnegie Institution, Washington DC, USA (rhazen@ciw.edu) The mineralogy of terrestrial planets...Chemistry/Biochemistry, Arizona State University, Tempe, AZ, USA (pbuseck@asu.edu) The warm feelings conveyed by Figure |  | | Journal (article/letter/editorial) | | M. MOREL* Princeton University, Princeton, NJ, USA (*correspondence: morel@princeton.edu) Azotobacter...is associated with a poorly-crystalline Mn oxide phase. The Mn oxide phase contains up to 40 wt. % Pb...µ-EXAFS spectroscopy, and µ-XRD, we identified the Mn oxide as birnessite, similar to the poorly crystalline...soil birnessite must be reduced to release dissolved Mn(II) which is then oxidized in the dark cave system...Paris 4 Lawrence Livermore National Laboratory, USA 1 2 The details of Earth’s accretion, and the nature |
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Bennett Quarry, Buckfield, Oxford County, Maine, USA