 | | Journal (article/letter/editorial) | | attributed to Si-A1 order. They are present in anorthite and become increasingly diffuse with lower An-content...corresponding structure is named body-centered anorthite. Type-c-reflections (h -~k even, I odd) and d-reflections...occur in anorthite only. They are sharp in slowly cooled crystals with An 95% (primitive anorthite) and diffuse...Na-rich anorthite (transitional anorthite). Upon heating the c-reflections of primitive anorthite become...1962). The structure determination of primitive anorthite (Kempster etal., 1962; Wainbright and Starkey |  | | Journal (article/letter/editorial) | | from 0.4 to 15 MPa. We investigated reaction of anorthite and albite, which are expected to precipitate...reaction is assumed, when the Ca-rich end member anorthite is the reactive mineral (Wawersik et al., 2001):...2H2 Oð1Þ X CaCO3ðsÞ + Al2 Si2 O5 ðOHÞ4ðsÞ : ð1Þ anorthite ⁎ Corresponding author. Tel.: +31 30 253 49 76;...Mineral SiO2 Al2O3 Fe2O3 CaO Na2O K2O Total Anorthite Albite 44.15 68.84 34.79 20.17 0.44 0.01 19...composition: anorthite Ca0.92Na0.08(Al1.92Fe3+0.01Si2.07)O8 albite Na0.99K0.01AlSi3O8. Anorthite and albite |  | | Journal (article/letter/editorial) | | 1982 GRR1968 anorthite Ab4.0An93.8 0.37 FeO Kimata et al. 1995 Miyake Island, Japan; tholeiite Kimata...random perpendicular directions from two cubes of anorthite sample GRR1968, as well as measuring spectra along...38 andesine, Halloran Springs, CA anorthite, Miyake Island, Japan OH 3169, 3219, 3350, 3580 4908 ...oligoclase samples (GRR1280 and GRR580), andesine, and anorthite have a prominent broad band near 3200 cm–1 with...the a axis (X in oligoclase and andesine, Y in anorthite). The Y and Z optical spectra reported here for |  | | Journal (article/letter/editorial) | | 1973 The Domain Structure of a Transitional Anorthite ; a Study by Direct Lattice-Resolution Electron...transitional anorthite has shown that the material consists of domains of body-centered anorthite (I-An) and...and primitive anorthite (P-An) in approximately equal proportions. The domains of P-An appear lentieular...a l a n o r t h i t e (An95.4) from M i y a k e Island, T o k y o Bay, J a p a n . This is one of several...~ 1.4 nm (C2/mbody), centered anorthite (Ii) and primitive anorthite (Pi) P1 s t r e n g t h s of |  | Miyoshi, Masaya, Shinmura, Taro, Sumino, Hirochika, Sano, Takashi, Miyabuchi, Yasuo, Mori, Yasushi, Inakura, Hirohito, Furukawa, Kuniyuki, Uno, Koji, Hasenaka, Toshiaki, Nagao, Keisuke, Arakawa, Yoji, Yamamoto, Junji (2013) Lateral magma intrusion from a caldera-forming magma chamber: Constraints from geochronology and geochemistry of volcanic products from lateral cones around the Aso caldera, SW Japan. Chemical Geology, 352. 202-210 doi:10.1016/j.chemgeo.2013.06.003 | Journal (article/letter/editorial) | | products from lateral cones around the Aso caldera, SW Japan Masaya Miyoshi a,⁎, Taro Shinmura b, Hirochika Sumino...University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan Faculty of Economics, Kumamoto Gakuen University...862-8680, Japan c Geochemical Research Center, Graduate School of Science, The University of Tokyo, 7-3-1...7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan d Department of Geology and Paleontology, National Museum of... 4-1-1 Amakubo, Tsukuba-shi, Ibaraki 305-0005, Japan e Faculty of Education, Kumamoto University, Kurokami |  | | Journal (article/letter/editorial) | | 1992) data on strontium chemical dill&ion in anorthite. The remaining papers treat the diffusion process...J. Gletti and J. E. D. <‘asserl\. faces; (3) anorthite contents that avoid the low temperature multiphase...Park. NM, USA (An62.6); and an anorthite from a flow on Miyake Island, Japan, (Anps6). The major element...for diffusion in oligoclase, labradorite, and anorthite are in Table 3 and Fig. 3. These are all for diffusion...labelled CW is for Sr-Ca interdiffusion data on an anorthite (CHERNIAK and WATSON, 1992). 3790 R .I. Gilotti |  | | Journal (article/letter/editorial) | | Abstract-Self-diffusion of oxygen in adularia, anorthite, albite, oligoclase and labradorite has been measured...temperatures. The diffusion kinetics of a synthetic anorthite and an intermediate plagioclase of unreported...two albite specimens, oligoclase, labradorite, anorthite and an adularia. The two specimens of albite employed...orthoclase, and itshigh purity. The anorthite is from Miyake Island, Japan, and is from the same locality...50r97.6 0.0007 0.0053 0.0 0.0005 0.0005 Anorthite Ab4.3An95.30r0.4 0.0073 0.0 0.0 0.0 0.0 |  | | Journal (issue) | | Michigan June 1997 Mineral News Osaka show, Japan, April •6-29, 1997, and Masutomi Geology Museum...pleasant time 10 visit Japan than the steamy heat or cold winds of the belier-known Tokyo shows in June and...make no sense for the American collector to buy in Japan. The only non-Japanese mineral I had not seen previously...collectors at the show, as they arc liulc known outside Japan, except for the classic stibnites from Shikoku....Japanese minerals. Mining is almost extinct in Japan, and field collecting is restricted by environmental |  | | Journal (article/letter/editorial) | | albite, andesine, labradorite, bytownite, and anorthite. The effectiveness of the newly proposed formalism...dissolution rate is reported to correlate closely with anorthite content of a feldspar (Casey et al., 1991; Blum...Palandri and Kharaka, 2004). Anorthite content—mole percentage of anorthite in a feldspar specimen; for...for example, An95 means 95 mol% anorthite in a feldspar specimen—is the “master variable” of Ca-containing...degree of Al/Si ordering, change simultaneously as anorthite content varies (Angel et al., 1990; Carpenter |  | | Journal (article/letter/editorial) | | tetrahedral sites) nAn anorthite content (mole fraction of anorthite in feldspar) AnXX anorthite content (XX mole...mole percentage of anorthite in feldspar) QOD degree of Al/Si substitutional ordering within T1-type of...conditions is reported to depend strongly on the anorthite content of the mineral (Casey et al., 1991; Oxburgh...varies between 0.25 (alkali feldspars) and 0.50 (anorthite). Eq. (2) is obtained by plugging s1o = s2o =...Section 3.2). Anorthite originated from Miyake Island, Izu Archipelago, Tokyo Prefecture, Japan (Hangx and |  | | Journal (article/letter/editorial) | | (for Sr) and natural albite (for Na and Si), anorthite (for Ca and Si), microcline (for K), and hornblende...6.0(20) 73(6) 60.2 4.8(6) 2.5(3) GRR1968 Miyake Island, Japan 4.1 95.9 0.0 43.23 1004(30) 611(24) 511(31)...(r2 = 0.969). One plagioclase sample (GRR1968 anorthite) constitutes an obvious outlier; if this sample...effect for feldspars. The data for microclines and anorthite, with similar mean atomic mass, vary by a factor...E., and Fujii, T. (2011) Polybaric degassing of island arc low-K tholeiitic basalt magma recorded by OH |  | | Journal (article/letter/editorial) | | Yanai, National Institute of Polar Research, Tokyo, Japan The carbonaceous chondrite Yamato 82042 is...Meteorites, pp. 134-136. Nat. Inst. of Polar Research, Tokyo. Mackinnon, I.D.R. and M.E. Zolensky, 1984. Nature... Nagata, National Institute Polar Research, Tokyo, Japan I. Souza Azevedo, Centro Brasileiro de Pesquisas...Ti-fassaite; 2-4 urn of gehlenite partially replaced by anorthite; 2-5 um of clinopyroxene, grading outwards from...the portion of the peritectic point in olivine-anorthite-silica (Longhi and Pan, 1986). The basaltic achondrite |  | | Journal (issue) | | (Paris), E. Stern (London), Prof. I. Sunagawa (Tokyo), Dr M. Superchi (Milan), CM. Woodward (London)...HyS EM Flanigen/Quintessa/Linde/USA Adachi Shin/Japan Regency/Vacuum Ventures/USA HyS 1988 Aquamarine...Sapphire, colourless tubes, etc. Bijoreve/Seiko/Japan 1983 Ruby, etc. (NC) Union Carbide/USA and others...nodules the size of oranges and lemons from the island of Staritzo. These spectacular forms are illustrated...crystals also occur in Peru, Bolivia, Chile, Brazil, Japan and Mexico. 'Sand dollars' are particularly known |  | | Journal (issue) | | Woodward London Lucerne Glasgow Cambridge Paris Tokyo London Leiden Dr C.E.S. Arps London Dr A.T. Collins...environment, physico-chemical properties Introduction The island of Madagascar has long been known in the gemstone...rivers that drain the Westland district of the South Island of New Zealand. It is a greyish-green mottled ornamental...Hokitika, Kaniere and Whitcombe Rivers of the South Island of New Zealand. Goodletite is a coarsely granular...occur in many other countries includR.J.P. ing Japan, China and Australia. Siberian jade. R. BECK AND |  | | Book | | San Diego - San Francisco - Singapore- Sydney- Tokyo ELSEVIER SCIENCE B.V. Sara Burgerhartstraat 25...silicate melts from the granite xenoliths of Ascension Island. More recent work on xenoliths and granitic rocks...alkaline magma chamber margins: evidence from Ponza Island, Pontine Archipelago, Italy, Eur. J. Mineral. 8...inclusions in ejected granitic blocks from Ascension Island, J. Petrol. 8, 417-451. Roedder, E. and Weiblen...acidic igneous rocks from some mining areas in Japan, Econ. Geol. 70, 750-769. Thomas, R., 2002, Determination |  | | Book | | San Diego - San Francisco - Singapore- Sydney- Tokyo ELSEVIER SCIENCE B.V. Sara Burgerhartstraat 25...silicate melts from the granite xenoliths of Ascension Island. More recent work on xenoliths and granitic rocks...alkaline magma chamber margins: evidence from Ponza Island, Pontine Archipelago, Italy, Eur. J. Mineral. 8...inclusions in ejected granitic blocks from Ascension Island, J. Petrol. 8, 417-451. Roedder, E. and Weiblen...acidic igneous rocks from some mining areas in Japan, Econ. Geol. 70, 750-769. Thomas, R., 2002, Determination |  | | Book (edition) | | perfectly well established :—lime-garnet, albite, and anorthite. Lime garnet. Albite. Anorthit<\ CaO . . 37-3...CagAl2Si3012. Albite Na.,0 . AU03 . 6Si02 or NaAlSigOg. Anorthite CaO . A1203 . 2SiO, or CaALSisOs. According to...ratio 1 : 1. Albite „ trisilicate ; ratio 3 : 1. Anorthite „ unisilicate ; ratio 1:1. In reality, however...nothing can be more certain than that albite and anorthite are very closely related by all their properties...replaced by the tetravalent metallic group NaAl. " Anorthite as a normal orthosilicate, CaAl2(Si04)2. chap |  | | Book (edition) | | perfectly well established : lime-garnet, albite, and anorthite. Lime-garnet. Ca0- ALOn SiO, = %. se Ote4...Albite. %. Olas. acbles LALO. oa Sig. a. Anorthite. CaO oe Ged te eA eOeee SiO; One . %. 2...empirical formule are— Lime-garnet. Albite*->.-. Anorthite . . . « « .°*. . 3CaQ.AI,0;. 3810, or CasAI...ratio 1: 1, Albite ,, trisilicate ; ratio 3: 1, Anorthite ,, unisilicate; ratio 1:1. In reality, however... can be more certain than that albite and anorthite are very closely related by all their properties |  | | Report (volume) | | Haplogranite—water (quartz+albite+K-feldspar+H,O+anorthite) . Pegmatites. Peridotite—watei Mg0- ‘SiO,-H...carbonatization reaction of grossular to calcite, anorthite, wollastonite/quartz in the presence of aqueous...“submerged” critical phenomena (Fig. 5). Addition of anorthite (Andersen 1915; 2200 —— Mgcr204 r T q Picrochromite...addition to the join Mg,SiO,-MgSiO,-SiO, of anorthite (Andersen 1915; Irvine 1975a, see Liquid Immiscibility...8:1426-1430 (in ‘ussian) Andersen O (1915) The system anorthite-forsterite-silica, Am J Sci 39:407-454 Aramaki | | | Report (volume) | | Haplogranite-water (quartz+albite+K-feldspar+H2O±anorthite) ............................. 155 Pegrnatites...carbonatization reaction of grossular to calcite, anorthite, wollastonite/quartz in the presence of aqueous..."submerged" critical phenomena (Fig. 5). Addition of anorthite (Andersen 1915; 2200 Mg Cr20• 2200 P1crochrom1te...how addition to the join Mg2SiO4-MgSiO3-SiO2 of anorthite (Andersen 1915; Irvine 1975a, see Liquid Immiscibility...8:1426-1430 (in Russian) Andersen O (1915) The system anorthite-forsterite-silica. Ain J Sci 39:407-454 Aramaki |
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Miyake Island, Miyake Subprefecture, Tokyo Metropolis, Japan