研究成果報告書

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えいじろうふじがわ
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2 Arm (Fe Mg 0.5)Ti 2 O 5 Fe (Fe 2+ Ti 2 O 5 Fpb) Mg (MgTi 2 O 5 Kar) (Bowles 1988) C (Lindsley 1991) Fe +2 (Anderson et al 1970) Fe 3+ Fe 2+ Ti 2 O 5 Fe 3+ 2 TiO 5 MgTi 2 O 5 Ti 3 O 5 (Contini et al 1993, Hayob Essene 1995) 2 Fig. 1 WM Fe Mg Ti 17 Lindsley et al 1974 Kesson Lindsley 1975 IW 3. Fig. 1 Hokada kbar Miyake Hokada C 1345 C 1345 C. Fig. 1 Hokada C 300 C Fig. 1 Phase diagram of the FeTi 2 O 5 MgTi 2 O 5 system at 1 atm (modified Lindsley et al 1974, Kesson Lindsley 1975) and pressure dependence of the stability filed of armalcolite under MW buffer 17. Circles, thick curves: experimental results of Kawasaki et al Thin curves labelled 1.0 GPa and 0.5 GPa, and dotted curves labelled 0.8 GPa show the calculated phase boundaries between the stability fields of the assemblages armalcolite, armalcolite + ilmenite + rutile and ilmenite + rutile using the volume data. Arm, armalcolite; Fpb, ferropseudobrookite; Geik, geikielite; Ilm, ilmenite; Kar, karrooite; Rt, rutile. Fe 2+ Fe 3+ (Miyake Hokada 2013) Kawasaki et al Fe 2+ Fe 3+ Fig. 2 Magnetite capsule. (IW ) (Lindsley 1991, Lindsley et al 1974, Kesson Lindsley 1975) X Mg 0.5 (Friel et al 1977) Fe Fe 2+ Fe 3+ Fe Mg/(Mg + Fe total ) Fe 2 O 3 MgO TiO 2 H 2 CO 2 CO 2 H 2 = 10l/min 1l/min 1100 C logp O2 12

Mag, magnetite. Pt, platinum. Rt, rutile. Ulv, ulvöspinel. 3.2 16.0 mm 6 12 kbar 900 1300 C (1) Fig. 2 (2) Fig. 3 10 kbar 1000 C (Fig. 3) (3) Fig.

3 Raman Fig. 5 8 kbar 1100 C (Fig. 4) Fig. 3 Armalcolite recrystallised from the crystalline mixture of ilmenite and rutile in the hematite (outer) Pt (inner) double capsule at 10 kbar and 1000 C for 221h15m. Arm, armalcolite. Hem, hematite. Mag, magnetite. Pt, platinum. Rt, rutile. Ulv, ulvöspinel mm 6 12 kbar C (1) Fig. 2 (2) Fig kbar 1000 C (Fig. 3) (3) Fig. 5 Composition of armalcolite, ilmenite and rutile synthesised at 8 kbar and 1100 C for 87h in the platinum capsule. Left: TiO 2 FeO MgO plot. Right: TiO 2 (FeO + MgO) Fe 2 O 3 plot. Arm, armalcolite. Hem, hematite. Ilm, ilmenite. Psb, psuedobrookite. Rt, rutile. Fe 2 O 3 FeTi 2 O 5 MgTi 2 O 5 Fe 3+ 2 TiO 5 FeTiO 3 MgTiO 3 Fe 3+ 2 O 3 TiO 2 Fe 3+ 2 Fe2+ {}O 4 {} 4 Fig. 6 X bulk Mg = 0.2 logp O 2 = Fig. 4 Armalcolite, ilmenite and rutile precipitated at 8 kbar and 1100 C in Pt capsule under the anhydrous condition. Arm, armalcolite. Ilm, ilmenite. Rt, rutile. TC, thermocouple side. 8 kbar 1080 C 4 wt% H 2 O (4) (Fig. 4) 3.3 (Fig. 4) X Fig. 6 Exreimental results on armalcolite stability with bulk of X bulk Mg = 0.2 under oxygen pressures (logp O2 = 10 11). Arm, armalcolite. Ilm, ilmenite. Rt, rutile. : Ilm + Rt. : Arm + Ilm + Rt. XMg bulk = kbar 900 C 0.15 < XMg bulk < kbar 900 C 950 C XMg bulk = kbar C XMg bulk = kbar

4 C X Mg bulk = 0.2 Mg logp O2 = Ti Fe Al kbar C Ti (Kawasaki et al 2011) ( 17) Fe 8 9 Fe Fe Anderson et al 1970 Proc Apollo 11 Lunar Sci Conf Bowles 1988 Am Mineral Contini et al 1993 Mineral Mag Friel et al 1977 Geochim Cosmochim Acta Hayob Essene 1995 Am Mineral Hokada 2001 Am Mineral Kawasaki et al 2011 Gond Res Kesson Lindsley 1975 Proc 6th Lunar Sci Conf Lindsley 1991 Rev Mineral Lindsley et al 1974 Proc Fifth Lunar Sci Conf Miyake Hokada 2013 Eur J Min , 2017 : I.. (in press) 2., 2017 : II.. (in press) 3. Saito S, Tani K, 2017 Transformation of juvenile Izu Bonin Mariana oceanic arc into mature continental crust: an example from the Neogene Izu Collision Zone granitoid plutons, central Japan. Lithos (in press) 4. Nagashima M, Nishio-Hamane D, 2017 TEM study of the epitaxial association of hedenbergite whiskers with babingtonite. Min Mag, doi: Kawasaki T, Motoyoshi Y, 2016 Ti-in-garnet geothermometer for ultrahightemperature granulites. Journal of Mineralogical and Petrological Sciences , doi: / jmps Owada M, Osanai Y, Nakano N, Adachi t, Kitano I, Tri TV, Kagami H, 2016 Late Permian plume related magmatism and tectonothermal events in the Kontum Massif, central Vietnam. J Min Pet Sci , doi: /jmps b 7. Nagashima M, Akasaka M, Morifuku Y, 2016 Ore and skarn mineralogy of the Yamato mine, Yamaguchi Prefecture, Japan with emphasis on silver-, bismuth-, cobalt-, and tinbearing sulfides. Res Geol , doi: /rge Saito S, Ishikawa M, Arima M, Tatsumi Y, 2016 Laboratory measurements of V p and V s in a porosity-developed crustal rock: Experimental investigation into the effects of porosity at deep crustal pressures. Tectonophysics , 9. Kawasaki T, Adachi T, Nakano N, Osanai Y, 2015 Preliminary report of highpressure and high-temperature synthesis of Fe 3+ - and Fe 2+ -rich armalcolite as a key mineral of ultrahigh-temperature metamorphism. Int Assoc Gond Res Conf Ser , doi: /j.gr Akasaki E, Owada M, Kamei A, 2015, Crustal differentiation due to partial melting of granitic rocks in an active continental margin, the Ryoke Belt, Southwest Japan. Lithos, 230, 82 91, doi:org/ /j.lithos Shimura T, Kemp AIS, 2015 Tetrahedral plot diagram: A geometriccal solution for quaternary systems. Am Min , Kawasaki T, Osanai Y, 2015 Experimental evidence of bulk chemistry constraint on SiO 2 solubility in clinopyroxene. Lithos , 13., 2015.

5 , doi:102465/gkk c 14.,,, 2014,, K Ar., 120, , doi: /geosoc Nagashima M, Mitani K, Akasaka M, 2014 Structural variation of babingtonite depending on cation distribution at the octahedral sites. Min Pet , doi: /s z 16. Nagashima M, Armbruster T, Kolitsch U, Pettke T, 2014, The relation between Li Na substitution and hydrogen bonding in five-periodic single-chain silicates nambulite and marsturite: A single crystal X-ray study. American Mineralogist, 99, , doi: /am Kawasaki T, Adachi T, Nakano N, Osanai Y, 2013 Possible armalcolite pseudomorph-bearing garnet sillimanite gneiss from Skallevikshalsen, Lützow-Holm Complex, East Antarctica: Implications for ultrahigh-temperature metamorphism. Geol Soc London Spec Pub , Matsukage K, Nagayo Y, Whitaker ML, Takahashi E, Kawasaki T, 2013 Melting Martian mantle from 1.0 to 4.5 GPa. J Min Pet Sci , doi: /jmps Owada M, Kamei A, Horie K, Shimura T, Yuhara M, Tsukada K, Osanai Y, Baba S, 2013 Magmatic history and evolution of continental lithosphere of the Sør Rondane Mountains, eastern Dronning Maud Land, East Antarctica. Precam Res , Owada M, Osanai Y, Nakano N, Adachi T, Yonemura K, Yoshimoto A, Satish-Kumar M, Sereenen J, Boldbaata C, 2013 An early Paleozoic tectonothermal event in western Mongolia: Implications for regional extension of the Cambrian orogenic belt. J Min Pet Sci , doi:10.245/jmps a 21. Nagashima M, Armbruster T, Izumino Y, Nakashima K, 2013, Crystal chemistry of a Cu isotype of makovickyite from the Obari mine, Yamagata Prefecture, Japan. Neues Jahrbuch für Mineralogie, 191, 75 81, doi: / /2013/ , 2017,. 89, , 2.,,,, 2017,,. 89, , 3. Kawasaki T, 2016, Titanium in garnet: A geothermometer for ultrahigh-temperature granulites. International Symposium Metamorphic rocks and Metamorphism: Future Perspectives, , Okayama University of Science ( ) 4. Yamaguchi Y, Kawasaki T, Kitakaze A, 2016, Two different origins of sulfides in calc-alkaline andesite suites: Sulfide inclusions in phenocrysts of Asama-Maekake Volcano. The 26th Goldschmidt Conference, , Pacifico Yokohama () 5. Shimura T, Kojima M, Harada Y, 2016, Garnet sillimanite spinel plagioclase geobarometer. The 26th Goldschmidt Conference, , Pacifico Yokohama ( ) 6.,,, 2016, I-type. 2016, , 7.,,, 2016,,. 88, , 8., Fe 2016, 88, , 9. Kawasaki T, 2016, Is the solubility of iron oxide in rutile an oxygen-fugacity sensor for ultrahightemperature metamorphisms? The Seventh Symposium on Polar Science, , National Institute of Polar Research ( ) 10. Kawasaki T, 2015, High-pressure synthesis of armalcolite Could armalcolite be a key mineral of ultrahigh-temperature metamorphism? The International Colloquium on Metamorphic Evolution and Asian Continental Growth, 2 14, Ito Guest House, Kyushu University ( ) 11.,, 2015, Ti. 122, , 12.,, 2015, Cu Ni Fe. 122, , 13. Saito S, 2015, Transformation of juvenile oceanic arc into mature continental crust: Neogene granitoid plutons in the Izu Collision Zone, central Japan. 8th Hutton Symposium on Granite and Related Rocks, , Oceania Convention Center (Florianópolis, Brazil)

6 14.,,,, 2015, Fe. 2015, , 15. Kawasaki T, Adachi T, Nakano N, Osanai Y, 2015, Preliminary report of high-pressure and high-temperature synthesis of Fe 3+ - and Fe 2+ - rich armalcolite as a key mineral of ultrahightemperature metamorphism. The 2015 Annual Convention of the International Association for Gondwana Research (IAGR) and 12th International Symposium on Gondwana to Asia, , University of Tsukuba () 16. Kawasaki T, Motoyoshi Y, 2015, TiO 2 solubility in garnet coexisting with orthopyroxene, quartz and rutile: Ti-in-garnet thermometer for ultrahigh-temperature granulites. 6, , 17.,,,, 2014, ternary feldspar. 2014, 5 2, 18. Kawasaki T, Motoyoshi Y, 2014, Titanium substitution model for Ca- and Ti-poor garnet in ultrahigh-temperature granulites. 81, , 19.,, 2014, Ca, Ti Ti. 121, , 20.,,, 2014,, 121, , 21.,,,,, 2014,. 121, , 22., 2014,. 121, , 23.,, 2014, Ti. 2014, , 24., 2014, Fe 3+ Fe 2+. 5, , 25. Kawasaki T, Osanai Y, 2013, Supersilicic clinopyroxene: experimental evidences of bulkchemistry constraints on SiO 2 solubility. 10th International Eclogite Conference, , Centro Congressi (Courmayeur, Italy) 26.,,,,,,, 2013,. 2013, , 27., 2013, Fe 3+. 4, , 28.,,,,,,, 2013,. 4, , 3 1.,, 2016,,, 2.,, 2016,,, 3.,,,,,,, 2014,, 184pp index.html 6 (1) KAWASAKI, Toshisuke (2) OWADA, Masaaki SHIMURA, Toshiaki NAGASHIMA, Mariko SAITO, Satoshi Ti Fe Mg 25

Microsoft Word - 研究者向け案内書.docx

Microsoft Word - 研究者向け案内書.docx E-mail: michio_tagiri220130@nifty.com 1:25,000 505 Ma 3.5 1.5 3.5 1.5 115 117 Ma AKS 510 Ma 119 Ma 1 1970 1924 Minato, 1955; 1972 Kuroda, 1959 119 101 Ma K-Ar 1969 1977 1996 AKS Tagiri et al., 2011 Kuroda