 | | Journal (issue) | | MEILLEURS PRIX VENTE EN GROS et à la PIÈCE EXPÉDITIONS SOIGNÉES FRANCE et ÉTRANGER . MACHINES LAPIDAIRES...RÉSULTATS RAPIDES même pour DÉBUTANTS. PIÈCE A MAIN DE HAUTE PRÉCISION. ROULEMENTS AUTOLUBRIFIÉS . DISQUE INTERCHANGEABLE...lia ii fil) Il CQlf'll@n cla pièce de musée» 92, rue Saint-Louis-en-l'Isle...h 30 STAND 194 bis allée 2 MARCHÉ BIRON Puces de la Porte de Clignancourt du Samedi au Lundi de 10 h...LIBRE-CHOIX. * Sans engagement de votre part, demandez la documentation gratuite M.F. * grenats Si vous le |  | | Journal (article/letter/editorial) | | other crystalline rocks. In Spain, Sardinia, and France no beds higher than zone E have been observed,...of the phases of the latter part of that period. France, Spain, and Sardinia on the contrary, although...latter portion ; but there are beds, considered in France as representing the Lower Devonian system, which...to take the second place, from the fact that orthoclase has been found in the forms of laumonite and...FAUNA. By MM. F.-L. CORNET and A. BRI~r. [Note sur la d6eouverte clans le Hainaut, en dessous des sables |  | | Journal (article/letter/editorial) | | etc.), and glaucophane-schists, which extend from Brie :Bouchet to the Viso. Along most of these Western... 1887, pp. 531-540. 7 :F. Sacco, ' La G4o-Tectonique de la Haute Italic occidentale,' M4m. Soc. Beige...(1891) pp. 149-167, pl. v. Michel-L~vy, 'Note sur la Formation gneissique du Morvan et Comparaisou avee...autres r~gions de m~me nature,' Bull. Soy. gdol. France, set. 3, vol. vii. (1879) pp. 862~66. Q. J. G.S...ON" THE WALDENSIAN EMIl)" ~894, ~Platc~u of France, Britanny, and the Western Alps (Oisans), in Switzerland |  | | Journal (article/letter/editorial) | | coal escent alluvial fans. These interruptions were brie f a nd genera ted by marginal up faulting of surround...GROUP HASTINGS BEDS - WEALD CLAY TRANSITION WEALD C LA Y GRO UP OUTLINE OF CONCLUSIONS WIDER VIEW OF W EALD... '-' -o tv N :-t' ;l> rr- ._ - - - - - - dl!/la -fap 'sl a" fl! ' aff u vium - - - - - sharl!facl...- - - - forml!r dl!/la-frant pfaffarm si/ls and sands - - - - - - fa rmu dl!/la -slopl! cloys and s i/ls...i/ls -- - - - f ar m l!r pra-dl!/la cloys Fig. I. Deltaic model for Hastings Beds Gr oup: Durlston- |  | | Journal (article/letter/editorial) | | considerably or wholly kaolinized, with some orthoclase and subordinate black biotite and muscovite....black biotite with muscovite, and exhibits large orthoclase and plagioclase elements together with granular... on the eastern side of the Santuario island to Brie dell'Amore, Monte Cucco, and the Albissola and Ellera...C. De Stefani, " L'Apennino fra Colle d'Altare e la Polcevera": Boll. B. Com. geol., 1887, fasc. 3 ;...Savona gneisses as akin to those of Gran Paradiso and La Levanna (Grajan Alps) rather than to those of Mont |  | | Journal (issue) | | and beautiful minerals available to collectors. In brie f, the Ce ntral Kentucky Fluorspar District, which...k Just be fore complete darkness and checked into La Quint a noting th at o ur meeting place for the next...Martin Marietta Jones Mill (formerly Midstate) Quarry, Magnet Cove, Arkansas, photo by Art Smith. brown...had a run of a ll levels o n the ea t e nd of the quarry. It was rather disappo inting. No large cav irie... 0.6 mm fluorite cube on calcite, Midwest Lime Quarry, Batesville, Independence County, Arkansas, photo |  | Richet, Pascal, Whittington, Alan, Holtz, François, Behrens, Harald, Ohlhorst, Susanne, Wilke, Max (2000) Water and the density of silicate glasses. Contributions to Mineralogy and Petrology, 138 (4) 337-347 doi:10.1007/s004100050567 | Journal (article/letter/editorial) | | CNRS 7046, 4 place Jussieu, 75252 Paris ceÂdex 05, France e-mail: richet@ipgp.jussieu.fr; Fax: +33-1-44272487...instance, the results of Silver et al. (1990) for orthoclase. These data are reproduced to an average 0.6%...of 12 cm3/mol for water (and 28.33 cm3/mol for orthoclase glass), the average deviation of the ®tted from...1996) and basalt (this work) compositions; b orthoclase (Silver et al. 1990; Behrens et al. 1996), Zn-glass...compaction eects as a background, we can now comment brie¯y on the special case of hydrous Fig. 5 Volume |  | | Journal (article/letter/editorial) | | chert is unknown in place in England, but occurs in France and elsewhere on the Continent (see Appendix)....out. The syenite-porphyry has phenocrysts of orthoclase and pseudomorphs with outlines of hornblende...Britain, but it is well known on the Continent. In France (1) such rocks are called gaize, characteristically...the Inoceramus labiatus zone, and in the Pays de Brie, in the Schloenbachia inflata zone. The same facies...(The gaizes are also known in the Oxfordian of France and Poland but they are quite different petrographically |  | | Catalog/List | | oo. 1 B'. 1-tx1t-", .f.2.00. 9. ANALCL'lE.Dean Quarry,St.Keverne,Lizard,Cornwall. Three l&rge,Yery fine...APATITE/ORTHOCLASE/GILBERTITE. Megilliggar Rocks,Tremearne Cove,Cornvall. A tabular Orthoclase xtl encrusted...11 , .t:25.00. -656. BARYTES.Cannington Park Quarry,Bridgewater,Somerset •. Lustrous, . aalaon-pink...Taumcarp !1ine ,Otavi ,Namibia. Attractive, but hard to brie!ly descri be. Lustraus valleyed matrix fragment...bundles. 1p::1z-x1", .i:18.50. CHABAZITE.nasalt Quarry,Tygden,Victoria,Australia. 2¾,c1" biscuitecaloured |  | | | | oo. 1 B'. 1-tx1t-", .f.2.00. 9. ANALCL'lE.Dean Quarry,St.Keverne,Lizard,Cornwall. Three l&rge,Yery fine...APATITE/ORTHOCLASE/GILBERTITE. Megilliggar Rocks,Tremearne Cove,Cornvall. A tabular Orthoclase xtl encrusted...11 , .t:25.00. -656. BARYTES.Cannington Park Quarry,Bridgewater,Somerset •. Lustrous, . aalaon-pink...Taumcarp !1ine ,Otavi ,Namibia. Attractive, but hard to brie!ly descri be. Lustraus valleyed matrix fragment...bundles. 1p::1z-x1", .i:18.50. CHABAZITE.nasalt Quarry,Tygden,Victoria,Australia. 2¾,c1" biscuitecaloured |  | | Journal (article/letter/editorial) | | adhere to the sample surfaces. They were rinsed brie¯y (5±10 min) in dilute HCl ( 4N) and ultrasonically...contribute to this stronger dependence. The REEs from La to Gd all have ionic radii (8-fold coordination,...other mineral systems. For example, K diusion in orthoclase (Foland 1974) is more than three orders of magnitude...174±182 Foland KA (1974) Alkali diusion in orthoclase. In: Hofmann AW, Giletti BJ, Yoder HSJr, Yund |  | | Journal (article/letter/editorial) | | grains of biotite, plagioclase, Chlorite and orthoclase and sericite occurs quartz and microcline. Inclusions...(microcline with rare phenocrysts of microcline and orthoclase), sphene and quartz. Muscovite is present as...Zn Sn Cs W Hf Ta Th U Pb Co Ga Au Ni La Ce Nd Sm Eu Tb Yb Lu 375 180 1050...molecular normative plot (cf. Barker, 1979) albite ± orthoclase ± anorthite, the rocks plot in the granite ®eld...sources of uncertainty in the results are discussed brie¯y below: 1) The parent liquid had a composition |  | | Journal (article/letter/editorial) | | pseudotachylytes are described by O'Hara [12] and are only brie£y summarized here. The pseudotachylytes are zoned...P. Moecher, personal communication) and are only brie£y described here. The host gneisses consist of alkali...melting of alkali feldspar over plagioclase. orthoclase (20%), plagioclase (26%), biotite and sericite |  | | Catalog/List | | diameter, priced at $5.00 each. CA VANSITE: Wagholi Quarry, Poona, India: Beautiful bright blue radiating...priced at $5.00 each, (in plastic boxes) AUTUNITE: Brie Colme Claim, Roburent, Cuneo, Western Alps: Not...$20.00 PP-05: Apophyllite & Luamontite, Chantilly Quarry, Chantilly, VA; nice 6x3" plate: $10.00 PP-06:...galena & pyrite, 1.5x1.5 inch: $12.00 Atacamite, La Farola Mine, Copiapo, Chile, 1x2 inch loaded with...side, rare: $25.00 White chabazite, Craighullian Quarry, Portrush, Co. Antrim, N. Ireland, 2x2” white crystals |  | | Journal (article/letter/editorial) | | Inorganica, Universitat Jaume I, Borriol, Castellon de la Plana, E-12080 Spain J.M. Rojo Instituto Ciencia...analysis of thermoluminescence (TL). Kirsh (1993) brie¯y explains that TL can also stem from the motion...coherent exsolved feldspars (natural microclines, orthoclase, albite, perthites, etc.). Similar reasoning |  | | Report (issue) | | chlorite, chl; mostly goethite, feox; jarosite, jar; orthoclase, kspr; plagioclase, plag, quartz, qrtz; sericite...KFe3(OH)6(S04)2 Biotite K(Mg,Fe)3AlSi3010(OH)2 Orthoclase KAlSi3O8 Quartz SiO2 Chemical Data Chemical...shown as volume percent. Note that quartz and orthoclase each typically comprise about 40% of whole rock...the modes, the waveform is filtered and windowed (Brie et al., 1988). Relative energies are computed by...sonic data, First Break vol. 4, no. 4, p. 7-16. Brie, A., K. Hsu, and C. Eckersley, 1988, Using the Stoneley |  | | Journal (article/letter/editorial) | | Naturelle, Bâtiment Minéralogie, F-75005 Paris, France 2 ABSTR ACT Fluoronyböite, ideally NaNa2(Al2Mg3)(Si7Al)O22F2... similar to those found at Nybö and Liset, was brie y discussed in Smith et al. (1990). Hirajima et...Mg: tremolite, TAP; Na and Al: albite, TAP; K: orthoclase, PET; F: uororiebeckite, TAP; Zn: willemite...(1982) Nyböitekataphorite et taramite-pargasite dans la lentille 780 FLUORONYBO«ITE AND NYBO«ITE d’éclogite...Annuelle Sciences Terre, Paris, Societé Géologique, France, abstracts vol., p. 333. Kechid, S.-A. and Smith |  | | Book | | variety. : Felsvar ( a transparent variety. Orthoclase) white cleavable variety. : — INTEODUCTIOK...(Hornblende), fusible only in smaller portions. " 5. Orthoclase (Felspar) offers some difficulty ; and " 6. Bronzite...right angles to it, is somewhat less perfect. Orthoclase may be recognised from the other varieties of...Silicates. n. 0. J Aluminates") Felspar {Adularia, Orthoclase, Labradorite), Lapis Lazuli, Mica, Lepidolite...(Kalium) K ' . . . . Potash La . . . . Lanthanium La . . . . Protoxide of Lan- Lime |  | | Journal (article/letter/editorial) | | most of the hypabyssal alkaline rocks have been brie¯y characterized by DudaÂs and Eggler (1989), and...jadeite (Na), loparite (Nb, La, Ce, Pr, Nd, Na in loparite), orthoclase (Al), periclase (Mg), perovskite...164 0.084 Mn 0.274 0.383 0.208 0.231 ± ± ± ± Fe2+ La ± ± 0.043 ± Ce ± ± 0.009 ± Al 0.052 0.028 ± 0.010...± ± ± Mn ± ± ± Fe2+ ± ± ± Fe3+ 0.003 0.008 0.019 La 0.068 0.107 0.079 Ce 0.161 0.176 0.143 Pr 0.017 0...Ca 4.286 4.245 4.432 Sr 0.530 0.369 0.219 Ba ± ± ± La 0.029 0.030 0.021 Ce 0.039 0.092 0.071 Pr 0.003 0 |  | | Journal (issue) | | Washington, USA Emmanuel Fritsch University of Nantes, France Rui Galopim de Carvalho PortugalGemas Academy,... Surrey Benjamin Rondeau University of Nantes, France Jeff W. Harris University of Glasgow George R...Cathelineau (thierry.cathelineau@spec4gem.info) Paris, France THE JOURNAL OF GEMMOLOGY, 37(4), 2020 345 GEM...Connecticut, USA, 88–89. Pezzotta, F. & Pezzotta, S. 2020. La celestina, un classico della mineralogia del Madagascar...Delaunay Laboratoire Français de Gemmologie Paris, France 50 µm Dr Emmanuel Fritsch FGA (emmanuel.fritsch@cnrs-imn |  | | Book | | Centre de Geochimie de la Su rface (CNRS) I rue Blessig 67084 Strasbourg France ISBN 3-540-61599-7 Springer-Verlag...Head of the"Centre de Sedimentologie et Geochimie de la Surface" (1963-1981) and Dean (1962-1965). He retired...1nany honorific distinctions, such as Officier de la Legion d'Honneur and Officier de l'Ordre du Merite...Monuments 178 The First Studies on Sandstones in France .......................... 180 Alteration Morphologies...Sequences:The Paleogene Continental Deposits in France . ..... . 223 1 2 3 3.1 3.1.1 3.1.2 3.1.3 3.2 |  | | Journal (article/letter/editorial) | | phlogopite, hornblende, apatite, quartz and orthoclase. 23 chromitite, which is apparently a general...elsewhere (Mathez and Marcantonio, work in preparation). Brie¯y, plagioclase exhibits the same stratigraphic compositional...disturbance of the isotope pro®le. apatite, orthoclase, and zircon, all of which are extremely rare...Proc Ocean Drill Prog Sci Res 135: 557± 563 Haskin LA, Salpas PA (1992) Genesis of compositional characteristics |  | | Book (edition) | | edition; Duval, Duval and Dolique, Dictionnaire de la Chimie et rie ses Applications (ail French) ; Ho...nglisch-Spanisch; Thompson-Haim, Dictionnaire de la Soudure; Veillon, Dictionnaire Médical; Ziloff, Dictionnaire... demolition; throwing down; lowering. — à la mine, — à la poudre, blasting. — hy¬ draulique, hydraulic...a. & m. acid. — acétoximique, methylglyoxime. — à la craie, (Old Chem.) carbon dioxide. — aminé, amidé...tive) be going, be about (to), m. going, journey. — à la lessive (of fabrics) stand lye, wash. — au-devant |  | Sak, Peter B., Fisher, Donald M., Gardner, Thomas W., Murphy, Katherine, Brantley, Susan L. (2004) Rates of weathering rind formation on Costa Rican basalt 1 1Associate editor: E. H. Oelkers. Geochimica et Cosmochimica Acta, 68 (7) 1453-1472 doi:10.1016/j.gca.2003.09.007 | Journal (article/letter/editorial) | | weathering (anorthite ⬎ albite ⬇ hypersthene ⬎ orthoclase Ⰷ apatite). Alteration profiles across the cm-thick...hypersthene, 10% diopside, ⬍ 3% ilmenite, quartz, orthoclase, magnetite, and apatite (Table 6), are similar...decrease in the weight percent of normative albite, orthoclase, and hypersthene (Table 6, Fig. 8d). Kaolinite/allophane...unweathered core, is anorthite ⬎ albite ⬇ hypersthene ⬎ orthoclase Ⰷ apatite (Fig. 8d). As noted previously, differential...rind– core boundary, followed by hypersthene and orthoclase (Fig. 8). The lack of alteration of pyroxene |  | | Book (edition) | | However, it will be quite different from, say, an orthoclase crystal, whatever the latter's size. The second...monoclinic prisms + pinacoids dome DOMATIC orthoclase hilgardite pinacoid pedion m P dome SPHENOIDAL...twins: (1 , 2) Interpenetrating twins of and orthoclase; (3, 4) contact twins of fluorite gypsum (...are the perthites, intergrowths of albite and orthoclase or microline due to exsolution. Twinned crystals... The polarity CALCITE FLUORITE APATITE 8. ORTHOCLASE QUARTZ TOPAZ 9. CORUNDUM 10. DIAMOND istic |
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