 | | Report (edition) | | BULLETIN 41 Third Edition A Collector's Guide to Maine Mineral Localities by Woodrow B. 7KaSVRQ Donald...Vandall T. King Robert G. Marvinney, State Geologist Maine Geological Survey Natural Resources Information...OF CONSERVATION 1998 Copyright © 1998 by the Maine Geological Survey, Department of Conservation. All...5 cm tall; gem weighs 2 carats. From the Havey Quarry, Poland, MaifJ. e. Photo copyright 1995 by Wendell...crystals, 24 x JO mm;Jrom the Bennett Quarry, Buckfield, Maine. Mined in 1996 by Holden !Jrothers Mining |  | | Book (volume) | | Mineralogy by Vandall T. King and Eugene E. Foord Maine Geological Survey DEPARTMENT OF CONSERVATION Walter...Resources Information, Maine Geological Survey Walter A. Anderson, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 1994 Copyright ©1994 by the Maine Geological Survey, Department of Conservation. All...Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...Wendell E. Wilson, ©1985. The laws and policies of Maine and the United States prohibit discrimination in |  | | Journal (article/letter/editorial) | | the Sebago granite–pegmatite system, southern Maine, USA Michael A. Wise*, Cathleen D. Brown Department...two-mica granite situated in the Oxford pegmatite field, southwestern Maine. Surrounding the pluton is an...subordinate intrusions of heterogeneous, two-mica and biotite granites, pegmatitic leucogranites and 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 |  | | Book (edition) | | HANDBOOK for A WEEK WITH MAINE MINERALS by NEIL A. WINTRINGHAM 1_� Cv1,_1'--A� __, SECOND EDITION...a week collecting in the pegme.tite area ot Oxford county, !!Bine, Neil Wintr:lnghal'!l, a pa.st-president...field trial of the hambook during our ''Week with Maine Minerals" furnished additional information end resulted...characterized the evenings spent with members of the Oxford County Mineral & Gem Association. N. A. W. Mountainside...minerals. The geology of pegmatites, in general, and Maine pegmatites, in particular, is summarized briefly |  | | Book (volume) | | 0 n101ercai o of Maine j f·~ ....__ :,,. . - .._"' ..;. .. ~ L-- -~ \. • .J_..::.; I Volume...History, Gems, and Geology edited by Vandall T. King Maine Geological Survey DEPARTMENT OF CONSERVATION Robert...Robert G. Marvinney, State Geologist of Maine Volume 2: Mining History, Gems, and Geology Edited by...Resources Information, Maine Geologi,cal Survey Robert G Marvinney, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 2000 Copyright ©2000 by the Maine Geological Survey, Department of Conservation. All |  | | Journal (article/letter/editorial) | | GRANITIC PEGMATITES OF THE BRUNSWICK AND OXFORD FIELDS, MAINE: DIFFERENTIAL TRENDS IN F-POOR AND F-RICH...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...(Nb,Ta)-bearing phases. Generally, the CGM from Maine are hosted by pegmatites characterized by a LCT...observed between the CGM from the Brunswick and Oxford pegmatite fields. Columbite-group minerals from |  | Karlsson, Teemu, Räisänen, Marja Liisa, Myöhänen, Timo, Alakangas, Lena, Lehtonen, Marja, Kauppila, Päivi (2021) Hydrogen Peroxide Ammonium Citrate Extraction: Mineral Decomposition and Preliminary Waste Rock Characterization. Minerals, 11 (7) 706 doi:10.3390/min11070706 | Journal (article/letter/editorial) | | (Tokyo, Japan) JSM7100F Schottky combined with an Oxford Instruments (Abingdon, UK) energydispersive X-ray...each sample utilizing INCA Feature software by Oxford Instruments. The mineralogical composition results...the total mass of the sample (g). Mineral Quartz Biotite Plagioclase (other than albite) Albite Diopside...increase was also 0.25 detected for 0.04 0.00 biotite (K(Mg,Fe) 3 (AlSi 3 O 10 )(OH,F) 2 ), diopside...samples. Quantitative increase was also detected for biotite (K(Mg,Fe)3 (AlSi3 O10 )(OH,F)2 ), diopside (CaMgSi2 |  | | Journal (volume) | | manuscript. Mrs. 1. Huhta and Messrs. P. Ojanperä, A. Heikkinen and A. Löfgren performed the chemical analyses.... . .. . . . . . . . . . . . . . . . . . . . BIOTITE-ALBITE DIABASES . . . . . . . . . . . . . . ..... . . . . . .. .. . . . . . . . . . . . . . . BIOTITE . . . . . . . . . . . . . . . . . . . . . . . ...plagioclase (albite or oligoclase), augite, hornblende, biotite or chlorite, and often epidote. Albitites occur...Amphibole-epidote-albite diabases Amphibole-albite diabases Biotite-albite diabases Chlorite-albite diabases ThbY |  | | Report (chapter) | | (Korja et al. 1993; Vhis~inen et al. 1994; Korja & Heikkinen 1995; Stephens & Wahlgren 1995; Bergman & Sj6str6m...shear zones and magma ascent are likely (Korja & Heikkinen 1995; Sj6str6m & Bergman 1998). Consequently,...pyrophyllite-biotite_+ andalusite, to andalusitealmandine-biotite, to andalusite-cordierite, to sillimanite-K-feldspar...Sweden (1973). together with preliminary garnet-biotite geothermometry indicate an isobaric temperature...predominantly of coarse-grained K-feldspar megacrystic biotite granite, which is compositionally similar to the |  | | Journal (volume) | | 18, Md., USA Edeby Gard, Ripsa, Sverige Dept. of Geology, Yale Univ., New Haven., Conn., USA Geo1. inst...Johns Hopkins Univ., Baltimore, Maryland - 21 218, USA Mineralog.Petrograph. Inst. d. Univ. Hei delberg...Alberta, Canada Univ. of Cincinnati, Cincinnati, Ohio, USA Norges geologiske undersök else, Trondheim , Norge...Geological Sciences, Blacskburg, Virginia 24061, USA Suite 2001, 80 Richmond Street West. Toronto 1, Ont...Dept. of Geology, Univ. of Illinois, Urbana, III., USA P. O. Box 709, Kitwe, Zambia Katedra Geologia, Albertov |  | | Journal (volume) | | 18, Md., USA Edeby Gard, Ripsa, Sverige Dept. of Geology, Yale Univ., New Haven., Conn., USA Geo1. inst...Johns Hopkins Univ., Baltimore, Maryland - 21 218, USA Mineralog.Petrograph. Inst. d. Univ. Hei delberg...Alberta, Canada Univ. of Cincinnati, Cincinnati, Ohio, USA Norges geologiske undersök else, Trondheim , Norge...Geological Sciences, Blacskburg, Virginia 24061, USA Suite 2001, 80 Richmond Street West. Toronto 1, Ont...Dept. of Geology, Univ. of Illinois, Urbana, III., USA P. O. Box 709, Kitwe, Zambia Katedra Geologia, Albertov |  | | Journal (article/letter/editorial) | | which the author collected in an old abandoned quarry on June 23, 1995 is exhibited at the New York Museum...2002). The oldest rapakivi are fayalitebearing biotite-hornblende granite. The major parts of the intrusive...viborgite (Rapakivi granite proper sensu strictu), a biotite-hornblende granite with K-feldspar ovoids typically...diameter with an oligoclase rim and pyterlite (biotite granite with a mantled K-spar ovoids) (Ramo et...apatite, anatase, magnetite and ilmenite. In the biotite granites (pyrolite) there is no allanite but monazite |  | | Journal (volume) | | supplement them (e.g. Lawrence & Scheske 1997, Heikkinen & Räisänen 2008, Dold 2017, Karlsson et al. 2018)...(Kemira Oyj), Seppo Tuovinen (Endomines Oy), Mari Heikkinen (Centre for Economic Development, Transport and...Lasse Heikkinen, Markku Kuusisto, Hannu Karhu, Lauri Solismaa, Tuomo Stranius, Tuija Heikkinen, Gui Zhi...Treatise on Geochemistry (Second Edition), Volume 11. Oxford: Elsevier, 131–190. Available at: https://doi.org/10...materials. Nordtest Technical Report 473. 51 p. Heikkinen, P. M. & Räisänen, M. L. 2008. Mineralogical and |  | | Journal (volume) | | Geologique de Finlande N:o 238 Amphibole and biotite from rapakivi by Ahti Simonen and Atso Vorma Geologinen...Geologique de Finlande N:o 238 AMPHIBOLE AND BIOTITE FROM RAPAKIVI B Y AHTI SIMONEN AND ATSO VORMA...grunerite and biotite are deseribed. Extremely iron-rieh varieties of ferrohastingsite and biotite, whieh erystallized....... . ...... . .. .... ... .. .............. Biotite . . . . . . . . . . . . . . . . . . . . . . . ...varieties consist of olivine, pyroxene, amphibole and biotite, and that their alteration products are iddingsite |  | Muniruzzaman, Muhammad, Karlsson, Teemu, Ahmadi, Navid, Kauppila, Päivi M., Kauppila, Tommi, Rolle, Massimo (2021) Weathering of unsaturated waste rocks from Kevitsa and Hitura mines: Pilot-scale lysimeter experiments and reactive transport modeling. Applied Geochemistry, 130. 104984pp. doi:10.1016/j.apgeochem.2021.104984 | Journal (article/letter/editorial) | | metals/metalloids and/or other contaminated substances (e.g., Heikkinen et al., 2002; 2009; Eary et al., 2003; Malmström...Singer and Stumm, 1970; Gunsinger et al., 2006; Heikkinen and Räisänen, 2009; Bailey et al., 2013; Neuner...waste pile systems (e.g., Lefebvre et al., 2001; Heikkinen et al., 2009; Price, 2009; Fala et al., 2013;...multi-parameter YSI probe (YSI Profes sional Plus, YSI USA). The alkalinity of the drainage was also determined...Pentlandite Chalcopyrite Calcite Dolomite Magnesite Biotite Tremolite Chlorite Serpentine/Olivine a L1 L2 |  | | Journal (volume) | | . ... . . . ......... KAI HYTÖNEN and AULIS HEIKKINEN, Alkali Amphibole of Otanmäki, Finland . . . ...is sometimes present, but mostly it is absent. Biotite is an occasional and definitely unessential constituent.......... . Hornblende and pyroxene .... . .. . Biotite . ... ......... . ...... .. . . Epidote .........sericitized plagioclase; 3 = ilmenite; 4 = sphene; 5 = biotite; 6 = quartz. N / / . Fig. 3. Hornblende inset...of the quartz monzonite at Laoma. Analyst. A. Heikkinen (Geological Survey of Finland) Si0 2 • • . •• |  | | Journal (volume) | | . ... . . . ......... KAI HYTÖNEN and AULIS HEIKKINEN, Alkali Amphibole of Otanmäki, Finland . . . ...is sometimes present, but mostly it is absent. Biotite is an occasional and definitely unessential constituent.......... . Hornblende and pyroxene .... . .. . Biotite . ... ......... . ...... .. . . Epidote .........sericitized plagioclase; 3 = ilmenite; 4 = sphene; 5 = biotite; 6 = quartz. N / / . Fig. 3. Hornblende inset...of the quartz monzonite at Laoma. Analyst. A. Heikkinen (Geological Survey of Finland) Si0 2 • • . •• |  | | Report (chapter) | | Nironen 1997; Lahtinen et al. 2005, 2008; Korja & Heikkinen 2005, 2008). The synthesis here shows that the...(2004), Wikström & Andersson (2004) and, on a county by county basis, in Wik et al. (2005, 2006, 2009) have...Nömmen Sävsjö Radiometric dating 40 Ar-39Ar (biotite), cooling age Vetlanda 40 Ar-39Ar (hornblende)...using U–Pb (zircon) and 40Ar–39Ar (hornblende, biotite) geochronology, providing constraints on the timing...east of Oskarshamn (Fig. 7.7; see also Korja & Heikkinen 2005). Midgley & Blundell (1997) suggested that |  | Marmo, V., Hoffrén, K., Hytönen, K., Kallio, P., Lindholm, O., Siivola, J. (1966) On the granites of Honkamäki and Otanmäki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Commission Géologique de Finlande Vol. 221. Geological Survey of Finland | Journal (volume) | | they contain dark green hornblende, dark brown biotite and sphene. Accessories are apatite, fluorite and... 7. Granite, Honkamäki. 1 = fluorite; dark 1S biotite; matrix: plagioclase, microc!ine and quartz. N...the granite at the Vanadium plant (Hytönen and Heikkinen, 1966). The blue, however, is not that deep and...Wiik (Pääkkönen 1956, p. 22) F. analyzed by A. Heikkinen Nb 2 O S ' Zr0 2 , Th0 2 , SrO, Rb 2 0 determined...... Anorhite .......... Microcline .. ..... . Biotite ..... . .. .... Muscovite ......... Riebeckite |  | | Journal (volume) | | manuscript. Mr. P. Ojanperä, Mag. Phil., and Mr. A. Heikkinen, Mag. Phil., performed the chemical analyses....porphyroblasts. Among the other minerals, quartz and biotite are most prominently present. In some instances...including only a few grains of feldspar in addition to biotite, quartz and porphyroblasts. Its chemical composition...graywacke-like schist are mainly quartz, oligoclase, biotite, hornblende and, in rare cases, chlorite. Further...matrix proper, with its 0 ~ 0.3 mm grain size. Biotite and hornblende occur recrystallized as somewhat |  | | Journal (article/letter/editorial) | | large porphyroblasts of cordierite containing biotite and locally euhedral garnet crystals (Fig. 11a)...growth of cordierite porphyroblast with garnet and biotite inclusions within low-grade metasediments from...799 E); (b) garnet porphyroblast with prograde biotite and sillimanite inclusions within flat-lying foliations...(2007) 125–141 of staurolite- andalusite- and biotite-rimmed cordierite. In the Turku area, there is...of cordierite at the expense of garnet, and of biotite and sillimanite rims around garnet and cordierite |  | | Report (chapter) | | Orogen ANNAKAISA KORJA*, PAULA KOSUNEN & PEKKA HEIKKINEN Institute of Seismology, POB 68, FI-00014 University...Working Group 2002; Culshaw et al. 2006; Korja & Heikkinen 2008) have shown that the crustal structure is...Nironen et al. 2006; Sorjonen-Ward 2006; Korja & Heikkinen 2008). The focus of this paper is to describe...1a) and crustal-scale reflective zones (Korja & Heikkinen 2008). A recent evolutionary model (Lahtinen et...subvertical shear zone of Group 2 is found in a quarry in alkaline granite close to Karstula (Fig. 4b |  | | Journal (article/letter/editorial) | | 1992), and subsurface listric faults (Korja and Heikkinen, 1995; Rämö and Korja, 2000; Korja et al., 2001)...feldspar xenocrysts in a diabase dike cutting the biotite–hornblende granite of the Shachang pluton, China...phases are commonly hornblende–biotite (Ffayalite) granites, followed by biotite granites and less common topazbearing...1977b; Rämö, 1991). The Fe/(Fe+Mg) number in biotite varies from 0.80 to 1.00 (Rieder et al., 1996)...Haapala et al. / Lithos 80 (2005) 1–32 hornblende–biotite granite with rounded alkali feldspar megacrysts |  | | Report (chapter) | | rapakivi granites. The mafic minerals are hornblende, biotite, magnetite, clinopyroxene and fayalite. The matrices...syenite, hornblende granite, porphyritic granite, biotite granite and dykes. The igneous crystallization...brownish red, medium-grained, isotropic, and lack biotite and muscovite. The mafic minerals are pyroxene,...suggest that these magmas fractionated plagioclase, biotite, a Ti-bearing oxide and apatite, or melted from...Cross-bedding in red sandstone (Dala sandstone), quarry at Mångsbodarna, Dalarna, west-central Sweden (after |  | | Report (issue) | | Helsinki 2006 i ii Editor-in-Chief: Pekka Heikkinen Guest Editors: Ilmo T. Kukkonen, Olav Eklund,...Hæggström, L.J. Pesonen, I.T. Kukkonen and P. Heikkinen. Ultrasonic seismic P- and S- velocities – the...petrography, structure and ore potential 29 P. Heikkinen, I.T. Kukkonen and FIRE Working Group. FIRE transects:...Hæggström, L.J. Pesonen, I.T. Kukkonen and P. Heikkinen. Ultrasonic seismic P- and S- velocities – the...and Upper Mantle (part II) (Chair A. Korja) P. Heikkinen, I.T. Kukkonen and FIRE Working Group. FIRE transects: |
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