| | Report (issue) | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available | | | Book | Mineralogy of Michigan by E. W. Heinrich updated and revised âą by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation | | | Journal (article/letter/editorial) | h a u r i s Universit~ de Bretagne Occidentale, Brest Cedex, France Cette note est un essai de classification...Briov~rien moyen et sup~ricur du Bocage normand. (3) Aux approches de la bordure m&ridionale du domaine norrnano-breton...d&veloppernent de la granitisation hercynienne. De ce point de rue, le domaine vend~o-breton peut ~tre divis&...varisque du Massif Armoricain 357 virons de Brest ~ ceux de Laval. Elle est fortune par un chapelet...discontinue, nettement oblique (WSW-ENE) par rapport aux pr~c~dentes: la trainee moniliforme "des granites | | | Report (chapter) | Cincinnati, OH, USA 2 Department of Geology, Syracuse University, Syracuse, NY, USA 3 Department of...Paltz, New Paltz, NY, USA 4 Department of Geology, University of Cincinnati, OH, USA 5 Department of Geosciences...Geosciences, SUNY Fredonia, Fredonia, NY, USA *Corresponding author (e-mail: Carlton-Brett@uc.edu) Abstract:...outlier in New York; in addition, a short-lived Stony Hollow fauna is recognized in shallow shelf facies...particular, the lowest Hamilton sample (from the Stony Hollow Member of the Union Springs Formation), previously | | | Journal (article/letter/editorial) | Ettensohn, collections manager for the Los Angeles County Museum. who spoke on the Care and Feeding of Miririal...NY 13 104 Rock and Mineral Club of Lower Bucks County: Richard Tillett. 820 Sycamore Ave., Croydon, PA...Show/Swap/Learn, of the Rock and Mineral Club of Lower Bucks County. This symposium, which does not rely on speakers...Minerals of the Eureka Quarry (located in Bucks County). Late March and early April have marked a resurgence...landscape is either going up or down at any given point. It makes mineral collecting a unique experience | | | Journal (article/letter/editorial) | large elongated granite mass running E.N.E. from Brest towards Morlaix has more or less in line with it...granite east of Cleder. Apart from micas, zircon, apatite, and sphene are the only constant heavy minerals...Cornish granite zircons are to be observed. The apatite grains often contain a pleochroic core, but this...the Group II granites. The types of cores in the apatite of the granites of Groups I and II are the same...distance from Tregastel to 1'Aber-Ildut, N.W. of Brest. They are coarse-grained biotite granites with large | | | Book (edition) | nature, and the true form is often The facts on this point, greatly disguised by this means. and the methods... will diverge equally on opposite sides of the point of intersection (O); that is, in mathematical lanis...with the Feldspar group,, and so on. It is hence a point to be remembered, when the affinities of species...might instead of I-/? The determination on this point is more or less arbitrary. It is usual to assume...crystallographers. ematical calculation is often the principal point referred to in order to reach a conclusion. V. | | | Journal (issue) | pour son numĂ©ro Hors-SĂ©rie de fin d'annĂ©e offert aux abonnĂ©s. C'est ainsi qu 'a Ă©tĂ© approchĂ© le secteur...gisements Ă Sn et W. Le site du filon Sainte-Barbe aux Montmins dans l'Allier (Cf. n°33) en est le meilleur...l'occasion de s'extasier devant leur esthĂ©tique. Aux Montmins, nous avions davantage traitĂ© les minĂ©raux...tardivement (en 1761) a connu la cĂ©lĂ©britĂ© grĂące aux avancĂ©es technologiques de "son" Ă©poque et Ă l'essor...sujets opĂ©rĂ©e par le responsable des publications aux Editions du Piat... . Ă vous de juger. fi n'empĂȘche | | | Journal (article/letter/editorial) | less Mg, aragonite, amorphous silica, or fluor-apatite and less frequently vaterite (Lowenstam 1981)....in many silicates. As in carbonates CL of fluor-apatite is mainly controlled by Mn2+ and/or REE at the...bioapatite (two different symmetries are present in the apatite structure) and intrinsic defects (Gaft et al. 1996;...populations has also been demonstrated in the Bay of Brest over a 7-year period (Barats 2006). Barats et al...for studying biological materials composed of apatite (francolite) such as conodonte and biogenic opal | | | Journal (article/letter/editorial) | P6trologie, Universit6 de Bretagne Occidentale, F-29283 Brest C6dex, France Abstract. Curved, layered objects...superimposed on intermittent layering. From a scale point of view, other distinctions can be made (Wager 1959):...correspond to a tentative order of truncation. L = Ile aux Lapins. D = Ile du D& T-Tourony 2) In some cases...occurrences lie on (sub) horizontal exposures. A ile aux Lapins. B Tregastel port. C Ile du D6. D - , F=Tourony...colored or accessory minerals such as zircon, apatite, allanite, hornblende, biotite and sphene (to a | | Partin, C.A., Lalonde, S.V., Planavsky, N.J., Bekker, A., Rouxel, O.J., Lyons, T.W., Konhauser, K.O. (2013) Uranium in iron formations and the rise of atmospheric oxygen. Chemical Geology, 362. 82-90 doi:10.1016/j.chemgeo.2013.09.005 | Journal (article/letter/editorial) | for Marine Studies (IUEM), UMR 6538, TechnopĂŽle Brest-Iroise, 29280 PlouzanĂ©, France c Department of Geology...06520, USA d Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Centre de Brest, 29280... University of California, Riverside, CA 92521, USA f Dept. of Earth and Atmospheric Sciences, University...molybdenum isotope compositions (Duan et al., 2010) that point to at least mild oxidative weathering conditions...Paleoproterozoic redox evolution, several lines of evidence point towards a drop in post-GOE atmospheric oxygen level | | Caroff, Martial, Coint, Nolwenn, Hallot, Erwan, Hamelin, CĂ©dric, Peucat, Jean-Jacques, Charreteur, Gilles (2011) The maficâsilicic layered intrusions of Saint-Jean-du-Doigt (France) and North-Guernsey (Channel Islands), Armorican Massif: Gabbroâdiorite layering and mafic cumulateâpegmatoid association. Lithos, 125 (1) 675-692 doi:10.1016/j.lithos.2011.03.019 | Journal (article/letter/editorial) | OcĂ©aniques, IUEM, UniversitĂ© de Brest, 6 avenue Victor Le Gorgeu, CS 93837, 29238 Brest cedex 3, France GĂ©osciences...sheet-bearing gabbro is homogeneous from a petrologic point of view, whereas the NGIC exhibits gabbroic macrorhythmic...Geosciences, Texas Tech University, Lubbock, TX 79409, USA. 2 Present address: IPGP, Laboratoire de GĂ©osciences...20 13.7 ICP-AES analyses (analyst: Jo Cotten, Brest). Cum.: cumulate; Gr.: granular (broad sense); Peg...automated electron microprobe (Microsonde Ouest, Brest). Analytical conditions were 15 kV, 15 nA, counting | | Pelleter, Anne-Aziliz, Caroff, Martial, Cordier, Carole, Bachelery, Patrick, Nehlig, Pierre, Debeuf, Delphine, Arnaud, Nicolas (2014) Melilite-bearing lavas in Mayotte (France): An insight into the mantle source below the Comores. Lithos, 208. 281-297 doi:10.1016/j.lithos.2014.09.012 | Journal (article/letter/editorial) | Arnaud g UniversitĂ© de Brest, 6 avenue Victor Le Gorgeu, CS 93837, F-29238 Brest CĂ©dex 3, France UniversitĂ©...presence of carbonate AC CE (probably dolomite) and apatite. Igneous rocks from southern and northwestern shield...intercept age include individual errors on each point and linear regression by Yorkâs method (York, 1969)...Cameca SX-100 electron microprobe (Microsonde Ouest, Brest, France) with an acceleration voltage of 15 kV and...OcĂ©an, Institut Universitaire EuropĂ©en de la Mer, Brest, France). Whole-rock major elements were MA analyzed | | Caroff, Martial, Labry, Cyrill, Le Gall, Bernard, Authemayou, Christine, Grosjean, Denise Bussien, Guillong, Marcel (2015) Petrogenesis of late-Variscan high-K alkali-calcic granitoids and calc-alkalic lamprophyres: The Aber-Ildut/North-Ouessant complex, Armorican Massif, France. Lithos, 238. 140-155 doi:10.1016/j.lithos.2015.09.025 | Journal (article/letter/editorial) | Universitaire EuropĂ©en de la Mer, b ED UniversitĂ© de Brest, Place Nicolas Copernic, 29280 PlouzanĂ©, France...Cameca SX-100 electron microprobe (Microsonde Ouest, Brest, France) with an acceleration voltage of 15kV, a...OcĂ©an, Institut Universitaire EuropĂ©en de la Mer, Brest, France). Major elements were analyzed by inductively...determined using a multicollector ICP-MS (PSO/IFREMER, Brest, France). The protocol for element separation is...impurities (Chauris, 1994). Quartz, andesine, apatite-bearing biotite, ilmenite and rare 1 0 ACCEPTED | | | Journal (article/letter/editorial) | lithosph6rique sous-continental. Cette origine est ~tendue aux sections mantelliques ~ dominante harzburgitique...]es p6ridotites du fond oc6anique correspondent aux premiers magmas extrusifs post-rift. Ils different...rutile and Mg-ilmenite, Al-rich spinel and Cl-apatite (Fig. 5). The kaersutite and phlogopite are unusually...orthopyroxene (Opx), kaersutite (Ks), phlogopite (Ph), and apatite (Ap). B association of rutile (R), spinel (Sp)... ilmenite, altered Ti-magnetite, and abundant apatite. Amphiboles crystallized under high temperature | | Barrat, J.A., Greenwood, R.C., Verchovsky, A.B., Gillet, Ph., Bollinger, C., Langlade, J.A., Liorzou, C., Franchi, I.A. (2015) Crustal differentiation in the early solar system: Clues from the unique achondrite Northwest Africa 7325 (NWA 7325) Geochimica et Cosmochimica Acta, 168. 280-292 doi:10.1016/j.gca.2015.07.020 | Journal (article/letter/editorial) | [wollastonite (Si, Ca), orthoclase (K), albite (Na), apatite (P)], oxide [MnTiO3 (Mn, Ti)], Al2O3 (Al), Fe2O3...coupled plasma-mass spectrometry) at UniversiteÌ de Brest (IUEM, PlouzaneÌ) using the procedures described...Lab. Cutting U. Alberta Dust Brest Chip Brest VM3 Brest VM4 Brest SiO2 TiO2 Al2O3 Cr2O3 FeO MnO...Muerta Cutting U. Alberta Dust Brest Chip Brest VM3 Brest VM4 Brest 0.53 0.93 0.028 0.043 281 19...curve at about 4566 Ma. A lower Al/Mg ratio would point to an older model age, and conversely younger model | | Moynier, Frederic, Beck, Pierre, Yin, Qing-Zhu, Ferroir, Tristan, Barrat, Jean-Alix, Paniello, Randal, Telouk, Philippe, Gillet, Philippe (2010) Volatilization induced by impacts recorded in Zn isotope composition of ureilites. Chemical Geology, 276 (3) 374-379 doi:10.1016/j.chemgeo.2010.07.005 | Journal (article/letter/editorial) | UniversitĂ© EuropĂ©enne de Bretagne, UniversitĂ© de Brest, CNRS UMR 6538 (Domaines OcĂ©aniques), I.U.E.M.,...from Hawaii, USA; USGS AGV-2, an andesite from the Guano Valley, in Lake County, Oregon, USA, and NIST SRM...the same powder by ICP-MS at the University of Brest on a Finnigan Element 2 using the procedure described...Decarli, P.S., 1968. Deformation of olivine in stony meteorites. J. Geophys. Res. 73, 5439. Clayton,...Y., Morishita, Y., 2002. The old PbâPb age of apatite in felsic clast of polymict ureilite DaG 319. Meteorit | | | Journal (article/letter/editorial) | J. DwIr Laboratoire de G6ologie, Universit6 de Brest, France J. LAMEYRE Laboratoire de P6trographie de...correspondent s e n s i b l e m e n t a n x ((granites ~>et aux ((granulites~> des aneiens. Ce sont, d ' u n e part...Chlor. Hornblende Cordi6rite Muscovite Pyrox~ne Apatite Opaques 222 J. Didier et J. Lameyre: E:3,95...Les variations les plus nettes portent sur les min@aux color, s. L ' i m p o r t a n c e des diff@ences...((aplit-granites ~>contenant en m o y e n n e 4 % de min@aux color6s et les granites p r o p r e m e n t dits | | Nauret, François, HĂ©mond, Christophe, Maury, RenĂ© C., Aguillon-Robles, Alfredo, Guillou, HervĂ©, Le Faouder, Antoine (2012) Extreme 230Th excesses in magnesian andesites from Baja California. Lithos, 146. 143-151 doi:10.1016/j.lithos.2012.04.003 | Journal (article/letter/editorial) | Guillou g, Antoine Le Faouder a, e a UniversitĂ© de Brest; UEB, UMR 6538 Domaines OcĂ©aniques; Institut Universitaire...grinder at Brest University. Major element analyses were obtained by ICP-AES Jobin-Yvon in Brest using the...by ICP-MS in Brest (facilities of the PĂŽle de SpectromĂ©trie OcĂ©an, University of Brest), using a Thermo...Finnigan MAT 261 in Brest (facilities of the PĂŽle de SpectromĂ©trie OcĂ©an, Ifremer Brest). Samples were spiked...ICP-AES (Brest); Trace elements by ICP-MS (Grenoble) except (1) by isotope dilution (Brest). Analytical | | Jahn, B.M., Auvray, B., Cornichet, J., Bai, Y.L., Shen, Q.H., Liu, D.Y. (1987) 3.5 Ga old amphibolites from eastern Hebei Province, China: Field occurrence, petrography, Sm-Nd isochron age and REE geochemistry. Precambrian Research, 34 (3) 311-346 doi:10.1016/0301-9268(87)90006-4 | Journal (article/letter/editorial) | complex in the Caozhuang---Bailonggang area, Qianan County, Hebei Province'. R represents water reservoir...in different samples including sphene, biotite, apatite and zircon. Epidote is only exceptionally observed...grey gneisses. The accessory minerals in both are apatite, zircon, opaques and atlanite. The reason why they...with faint foliation. Accessory phases such as apatite, zircon and allardte probably belong to this paragenesis...Geochemistry Laboratory of the IFREMER (then CNEXO-COB) at Brest. All other chemical and isotopic analyses were performed | | | Journal (issue) | des nouvelles". li arrivera donc dans vos boĂźtes aux lettres dĂ©but mars, nous y travaillons d' arrache-pied...possible, Ă courir de droite Ă gauche Ă la chasse aux spĂ©cimens pendant que l'Ă©quipe rĂ©dactionnelle prĂ©part...est certes trĂšs pittoresque, mais il s'assimile aux crĂ©ations de Jules Verne"! Roger DE ASCENCAO GUEDES...En effet, il faut se reporter Ă l'annĂ©e 1803 et aux Ă©crits d' HĂ©ricart de Thury pour s'en rendre compte...l'Afrique (la Rift Valley) est en effet sur le point de dĂ©chirer la croĂ»te, permettant Ă l'ocĂ©an TĂ©thys | | GILLET, P., BARRAT, J. A., BECK, P., MARTY, B., GREENWOOD, R. C., FRANCHI, I. A., BOHN, M., COTTEN, J. (2005) Petrology, geochemistry, and cosmic-ray exposure age of Iherzolitic shergottite Northwest Africa 1950. Meteoritics & Planetary Science, 40 (8) 1175-1184 doi:10.1111/j.1945-5100.2005.tb00182.x | Journal (article/letter/editorial) | 5Ifremer-Centre de Brest, CNRS-UMR 6538, BP70, 29280 PlouzanĂ© Cedex, France 6UniversitĂ© de Brest, C.N.R.S. UMR...UMR 6538, 6 avenue Le Gorgeu, 29100 Brest, France *Corresponding author. E-mail: directeur@ens-lyon.fr...1175 © The Meteoritical Society, 2005. Printed in USA. 1176 P. Gillet et al. Fig 1. Photograph of a...Fectay) located at the research center of IFREMER at Brest. The analyses were performed at an accelerating...coupled plasma-atomic emission spectrometry (ICP-AES, Brest) and inductively coupled plasma-mass spectrometry | | ClĂ©ment, Jean-Philippe, Caroff, Martial, Dudoignon, Patrick, Launeau, Patrick, Bohn, Marcel, Cotten, Joseph, Blais, Sylvain, Guille, GĂ©rard (2007) A possible link between gabbros bearing High Temperature Iddingsite alteration and huge pegmatoid intrusions: The Society Islands, French Polynesia. Lithos, 96 (3) 524-542 doi:10.1016/j.lithos.2006.12.001 | Journal (article/letter/editorial) | Occidentale, 6 avenue Victor Le Gorgeu, CS 93837, 29238 Brest Cedex 3, France b UMR 6532 âHydrASAâ, UniversitĂ©...UMR 6538 âDomaines OcĂ©aniquesâ, Ifremer-Centre de Brest, DĂ©partement GĂ©osciences Marines, BP 70, 29280 Plouzane...intrusive bodies. The first aim of the paper is to point out the specificities of HTI in such rocks. The...Minor phases are interstitial alkali feldspars, apatite, FeâTi oxides (3 vol.%), and phlogopite (TiO2 â...phases are interstitial alkali feldspar (Or10â70), apatite, FeâTi oxides (2 vol.%â4 vol.%), and phlogopite | | | Report (chapter) | facies. These concretions consist entirely of apatite with a nucleus of fish debris. A badly preserved...Fish and gastropod remains are u n c o m m o n . Apatite nodules are frequent. Facies organization in the...fine flakes or confetti. Brown nodules (probably apatite) are frequent. The mineral fraction of the shale...diversified ostracod fauna associated HALITE APATITE NATROJAROSITE BARYTE CyprideisSH1 ~ ONCOLITE ~...1973) and by the presence of such minerals as apatite and baryte which could be taken to indicate local | | LEGENDRE, C., MAURY, R. C., CAROFF, M., GUILLOU, H., COTTEN, J., CHAUVEL, C., BOLLINGER, C., HĂMOND, C., GUILLE, G., BLAIS, S., ROSSI, P., SAVANIER, D. (2005) Origin of Exceptionally Abundant Phonolites on Ua Pou Island (Marquesas, French Polynesia): Partial Melting of Basanites Followed by Crustal Contamination. Journal of Petrology, 46 (9) 1925-1962 doi:10.1093/petrology/egi043 | Journal (article/letter/editorial) | OCCIDENTALE, 6 AVENUE LE GORGEU, CS 93837, 29238 BREST CEDEX 3, FRANCE 2 LSCE/CEAâCNRS UMR 1572, DOMAINE...contents and Ar isotopic compositions were measured at Brest and at the âLaboratoire des Sciences du Climat et...titanomagnetite, very uncommon hemoilmenite and apatite. Some basanites contain resorbed amphibole phenocrysts...399 133 BHVO3 Samples were analysed by ICP-AES (Brest) for major and trace elements. For some samples...d. Gr. anor apatite anor anor, san anor anor, san apatite n.d. anor apatite Gr. Proportion |
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