 | | Journal (article/letter/editorial) | | Jour. Japan. Assoc. Min. Pet. Econ. Geol. 115 ON HORNBLENDE FROM AMMADAKI, IKI ISLANDS, NORTHERN...NORTHERN KYUSHU, JAPAN KEN-ICHIROAOKI I nstitute of Mineralogy,Petrologyand EconomicGeology, Tohoku University...Phenocrystic hornblende in an andesite from the Iki islands was chemicallyanalysed. This hornblendeis very...and kaersutite. Some petrogenetic considerationsare dis cussed. I NTRODUCTION The Iki islands, Northern...On Hornblende from Ammadaki,Ihi Islands, Northern Kyushu, Japan compact, fine grained, and pale | | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 72, 152-161, 1977. KAERSUTITE, Ti-PARGASITE, AND PARGASITE FROM...GABBROIC ROCK OF THE HOROMAN ULTRAMAFIC MASSIF, JAPAN KIYOAKI NIIDA Department of Geology and Mineralogy...Faculty of Science, Hokkaido University, Sapporo Kaersutite, Ti-pargasite, and pargasite were found in gabbroic...content from 41.19 to 44.50%. The TiO2 contents of kaersutite and Ti-pargasite vary continuously from 3.38...in TiO2. Composition ranges are examined for kaersutite, Ti-pargasite, and pargasite from other localities |  | | Journal (article/letter/editorial) | | Kaersutites and Oxykaersutites from Alkalic Rocks of Japan and Surrounding Areas by K. AOKI Institute of... Tohoku University, Sendai, Japan INTRODUCTION T H E term 'kaersutite' was proposed by Lorenzen (1884)...Utsuryo Island, Korea (Harumoto, 1933); Dogo, Oki Islands, Japan (Tomita, 1934); Yohodo, Korea (Kawano, 1934);...1950); Morotu, Sakhalin (Yagi, 1953 <:/, b); Iki Island, Japan (Aoki, 1959; Aoki & Matsumoto, 1959); Glen...cent) as kaersutite, based on chemical analyses and optical properties of kaersutites from Iki Island, |  | | Journal (article/letter/editorial) | | SEPTEMBER OCTOBER, 1964 FROM ,{LKALINE ROCKS OF JAPAN KUN-Icnrno Aorr,1 InsLitute oJ Mineralogy, Petrologyand...rocks, which belong to the alkaline rocks from Japan, have been separated and analyzed chemically. All...studies of clinopyroxenes from the alkaline rocks of Japan, Morotu (Yagi, 1953), and Pantelieria (Carmichael...coexists with calciferous amphiboles (hornblende, kaersutite and hastingsite) and alkali amphiboles (arfvedsonite...clinopyroxenesfrom the alkali basalt-trachyteseriesof Japan. The principal purposeis to establish crystallization |  | | Journal (article/letter/editorial) | | Xenoliths in Lamprophyre from Shingu, Southwestern Japan: Implications for Origin of Fe-rich Mantle Peridotites...of Geoscience, University of Tsukuba, Ibaraki, Japan With 6 Figures Received June 25, 1987; accepted...and/or kaersuite (websterite, clinopyroxenite, kaersutite rock, gabbro and anorthosite) (= Group II rocks)...magmatism had fluorished, such as southwestern Japan. Some of Fe-rich lherzolite and harzburgite xenoliths...Peridotit-Xenolithen in Lamprophyren yon Shingu, Si~dwest-Japan: Hinweise auf die Herkunft Fe-reicher Mantel-Peridotite |  | | Journal (article/letter/editorial) | | OUSTITANOMAGNETITESI'ROM TRACHYANDESITES, IKI ISLAND,JAPAN KnN-rcnrno Aoxt, Institute of M,i,neralogy...and Econom'icGeology,Tohoku Uni.aersity,Sendai,,Japan INrnonucrroN Titanomagnetite is one of the most...titanomagnetite phenocrysts from trachyandesitesof Iki Island, Japan and shows the extent to which a spinel-hercynite...alkaline volcanic rocks of the Iki Island region of southwestern Japan have been described elsewhere (Aoki...some attain 20 mm when associatedwith very large kaersutite phenocrysts.The grain size and modal proportion |  | | Journal (article/letter/editorial) | | (1970) Petrology of Kaersutite-Bearing Uhramafic and Mafic Inclusions in Iki Island, Japan Kv,~r Ao~ Institute...Tohoku University, SendM, Japan Received November 10, 1969 Abstract. Kaersutite-bearing peridotite, clinopyroxenite...megacrysts of kaersutite, andesine and titanomagnetite occur in alkali basalt scoria at Takenotsuji, Iki Island...Island, Japan. New analyses are presented for seven kaersutitc-bearing basaltic rocks, three inclusions,...Itinomegata, northeastern Japan, whereas the latter group occurs mainly in southwestern Japan. I t is thought to | | | Journal (article/letter/editorial) | | 輝 岩 包 有 物 に つい て Kaersutite pyroxenite from inclusion Takenotsuji, 青 in Iki 木 trachybasalt ...Island 謙 一 郎(Ken‑ichiro Aoki) * Abstract : Kaersutite pyroxenite inclusion has been found in the Takenotsuji...fall, Iki Island, southwestern Japan. It consists of 65% by volume of augite and 35% of kaersutite (completely...spinel as accessory minerals. Both augite and kaersutite have been separated and analysed chemically....あ り,周 囲は 殆 ん ど完全に 厚 さ0.03〜0.05mmの Fig. 1 Kaersutite pyroxenite consisting of sutite (Ka), and |  | | Journal (article/letter/editorial) | | a d e i n t o pargasite, ferroan pargasite or kaersutite respectively. 137 R. Vinx and D. Jung: Amphibole...1970; Holloway, 1973) whereas the upper limit for kaersutite is approximately 25 kb (Yagi et al., 1975). The...report on kaersutite megacrysts in tholeiitic andesite and Le Maiti;e ~(1969) describes kaersutite from gabbroic...Aoki and Kushiro (1968), also for kaersutite from the Iki Islands, Japan by Aoki (1970). Pargasitic-kaersutitic...Intracrustal crystallization is also suggested for kaersutite from East Fife, Scotland (Chapman, 1976). Evidence |  | | Journal (article/letter/editorial) | | JUNE 297 I977, VOL. 4 I, PP. 2 9 7 - 3 0 0 Kaersutite overgrowths on highly aluminous titanaugite in...THE type locality for the Ti-rich hornblende, kaersutite, is the 50 m thick alkaline picrite sill at Quarsut...(Drescher, 1932). This note reports overgrowths of kaersutite on exceedingly aluminous titanaugite in the marginal...wt. %) containing cryptocrystalline material. Kaersutite forms 5-1o t~m wide, pleochroic fringes completely...radiating ptagioclase, but lacks olivine. Fringes of kaersutite occur on augite in some pegmatite veins in the |  | | Journal (article/letter/editorial) | | ULTRABASIC AND BASIC INCLUSIONS IN ALKALI BASALTS, IKI ISLAND, JAPAN KBN-rcnrnoAoxr, Inslitute oJMineralogy,Petrologyand...Petrologyand. EconomicGeology, TohokuUniaersity,Sendai,Japan. Anstnec:r Ultrabasic and basic inclusions up to...of the alkali basalts and allied rocks of Iki Island, Japan. These inclusions are divided into two groups:...rocks of the Quaternary alkali basalt province of Japan contain ultrabasic and basic inclusions.These inclusions... Although more than 30 localities are known in Japan, systematic studies of these inclusions have not |  | | Journal (article/letter/editorial) | | aegirine in a teschenitic sill, with coexisting kaersutite plotting between them. A second series of titansahlite...(now largely analcitised). Ti-rich amphibole, kaersutite, may rim titansahlite grains, or occur as stubby...(Table I, anal. 4). Long prismatic grains of kaersutite are the principal mafic phase, with minor biotite...coexisting kaersutite has been normalized to the same Fe 3 +/Fe 2+ ratio as a kaersutite from the Iki...Iki Islands, Japan (Aoki, 1959). The pyroxenes from 19 m above the base of the intrusion have an mg number |  | | Journal (article/letter/editorial) | | Contr. Mineral. and Petrol. 27, 25--44 (1970) Kaersutite-Peridotite Inclusions and Kindred Megacrysts...of inclusions generally containing poikilitic kaersutite have more variable modal compositions, more variable...clinopyroxene-bearinginclusions, together with megacrysts of kaersutite and black clinopyroxene, are discussed in this...pressures. Numerous occurrences, worldwide, of kaersutite-bearing inclusions, always in undersaturated...These occurrences imply the precipitation of kaersutite amphibole over a broad range of pressures, and |  | | Journal (article/letter/editorial) | | carbonate-rich tufts and lavas of Mount Elgon; kaersutite-rich pyroxenites and a suite of fenitized basement...evolution. The amphibole (Table VI, r and 2) is kaersutite approximately Ca~(Na, K) (Mg, Mn,Fe)4.4Ti0.6Si6AlzO~2(OH)2...track 119208/9 ME8 Kitoto track I I92O6 ME6 Kaersutite pyroxenite Quartz fenite (leucocratic) 1I92IO...phenocrysts with broken-off kaersutites in black glass. Kaersutite, titanangite, apatite, magnetite, mesostasis...-99"93 99"93 I. Kaersutite-rich pyroxenite xenolith ME8, Kitoto track, Mt. Meru. 2. Kaersutite-poor pyroxenite |  | | Journal (article/letter/editorial) | | on ancient, faulted cratons. The occurrences in Japan, Kamchatka and Alaska are at plate-collision margins;...- Wilshire et al. (1980)* Kaersutite, riehterite, pargasite Kaersutite Titanian pargasite, kaersotite...kaersotite, chromium pargasite 'Hornblende', kaersutite Basanite + Best (1974, 1975) Basanite Basanite-alkali...Pargasite, pargasitic hornblende Ti-pargasite, kaersutite Magnesio-hornblende, ferroan pargasite Ti-pargasite...clinopyroxenite ('eelogite') Kaersutite Alkali ol. basalt + Fife, Scotland Kaersutite, ferroan pargasite Pargasite |  | | Journal (article/letter/editorial) | | OF THE CALCIFEROUS AMPHIBOLES, OXYHORNBLENDE, KAERSUTITE AND BARKEVIKITE r F G *)i;;;:;' f#';:i; ;l...The brown calci{erous amphiboles oxyhornblende, kaersutite and barkevikite have been examined briefly in...mode of occurrence. The titaniferous amphibole kaersutite, generally considered to be a variety of oxyhornblende...is therefore distinct from the latter mineral. Kaersutite and barkevikite compositions are dominated respectively...than 0.04O chatacterize true oxyhornblendes. Kaersutite and barkevikite are the brown calciferous amphiboles | | | Journal (article/letter/editorial) | | INCLUSIONS IN ALKALI BASALT FROM NAKAMURA, DOGO, OKI ISLANDS 青 木 謙 一 郎(Ken‑ichiro Aoki)* Ultramafic and...Mg-rich alkali basalt from Nakamura, Dogo, Oki Islands. These inclusions are divided into two suites:...方輝 石 と クロ ムス ピ ネル を欠 い て い る こ とが 大 きな相違 とな Islands って い る。 か ん らん 石 と単 斜 輝 石 は共 に3mm以 きさで あ り,単 斜輝...pressure megacrysts and wehrlite-gabbro suite from Iki Island and Taka-sima, North Kyushu (Kuno, 1964; Aoki...ranges of plagioclases of various from Dogo and Iki Islands occurrences in 1. This paper 2. Uchimizu (1966) | | | Journal (article/letter/editorial) | | and plagioclase phenocrysts. Alkali feldspar, kaersutite and biotite phenocrysts appear in the trachyandesite;...Island is the most undersaturated in Korea and Japan. 史(金, 1. ま え が き 鬱 陵 島(Ulreung kmに Island)は...(Macdonald and Katsura, 1964),Tristan(Bakeret al.,1964),Iki (Aoki,1959), Jeju(Lee,1983)andGough (Le Maitre,1962)alkalirock...alkali volcanic rocks from the islands near Korean peninsula and Japanese islands Fig.8. Map showing localities...circum Japan Sea Alkali Rock Province. 1,Ulreung Island; 2, OkiDogo Island; 3, Oki Dozen Islands; 4,Iki |  | | Journal (article/letter/editorial) | | vine. The lava contains Iarg3 phenocrysts of kaersutite, titanbiotite, and anorthoclase. Evidence is...to 6 cm in length) of idiomorphic amphibole (kaersutite), mica (titanbiotite), and alkali feldspar (anorthoclase)...included in the anorthoclase. Kaersutite Chemical and optical data on the kaersutite are listed in Table 2,...Fe2O3/FeO ratios. The formula of the Spring Mount kaersutite, based on 24 (O, OH, F) can be written: (Ca,...co-ordination. In terms of amphibole end-members, the kaersutite composition is dominated by the pargasite end-member |  | | Book | | Oxykaersu1i1e, Oxy•koersulile Takenoisuji. lki Islands, Jopan and Kangcrdluarsuq (Kungcrdlu=uk 'I) area...gneiss complex, Quebec, Canada, and from Suishoyama, Japan, respectively, have proven to be monoclinic (Noe...FIRS T DESCRIB E D FIIOM GR E ENL A !'.D 57 Kaersutite Monoclinic, C2/m NAME: Deri, ed from the former... The Geological Museum, Co penha ge n, holds kaersutite spec imen no . 1883: two crystals measured and...Comments). OCCURRENCE: At the type locality, kaersutite is found as thin prisms, in pegmatite layers |  | | Book (volume) | | 326-0538) Japan Kanda Book Trading Co. Tanikawa Building 3-2 Kanda Surugadai Chiyoda-Ku Tokyo 101 Japan (Orders:...e Magnesio-sadanagaite—Sadanagaite Kaersutite—Ferro-kaersutite Joesmithite Sodic-calcic Amphiboles ...University for diagrams from Mineralogical Journal of Japan; The University of Chicago Press for diagrams from...and Cl, and in the case of oxyhornblende and kaersutite, by oxygen. Although the above formula and the...Joesmithite PbCa,(Mg,Fe*+,Fe**);SisBe,02.(OH), Kaersutite NaCa,(Mg,Fe?*)4Ti[Sig Al,0>7](O,OH,F)2 (c) Sodic-calcic |  | | Book (volume) | | Basaltic Hornblende . . . . . . .315 Kaersutite ......... 321 Barkevikite ......... 328...structure of a bronzite (Fsi6, from the Bonin Islands; a 18-20, h 8-86, c 5-20 A) was investigated by...phenocrysts, bronzite andesite, Kokubudai, Kagawa Prefecture, Japan (Ivuno, 1947b). Anal. K. Tada and M. Huzimoto...Tengu-zawa, Hatazyuku, Hakone Volcano, Kanagawa Prefecture, Japan (Kuno and Nagashima, 1962). Anal. K. Nagashima...augite-hypersthene andesite, Akagi Volcano, Gumma Prefecture Japan (Ota, 1952). Anal. T. Ivusida. 12. Hypersthene |  | | Book (volume) | | segregation in analcite dolerite, Eilean Mhuire, Shiant Islands, Scotland. Ordinary light x60. F. Titanaugite...The Chemical Society of Japan for diagram from Bulletin Chemical Society of Japan: Chapman & Hall Ltd for...K-1., J964. Clinopyroxenes from alkaline rocks of Japan. Amer. Min., 49, 1199-1223. Berman, H., 1937. Constitution...solid solutions. Part I. The CaAl 2 SiO6 component. Japan. J. Geol. Geogr., 33, 213-220. Makanjuola, A. A...aluminian bronzite from Takasima, North Kyushu, Japan, Takeda (1972) showed that the tetrahedral site |  | | Journal (article/letter/editorial) | | gave rise to the tholeiitic lavas of the Hawaiian Islands were not related by simple fractionation; however...which crystallizes kaersutite.' On a later page (p. 304) he points out that kaersutite results from the...lava fountains during the 1959 eruption of Kilauea Iki, Hawaii, was 1,190° C. Pumice produced in the fountains...a drill hole in the crusted lava lake of Kilauea Iki (Ault, Eaton, & Richter, 1961). The temperature recorded...contain pigeonitic pyroxene, one from the Marquesas Islands and another from Mauna Kea, Hawaii. Because of |  | | Book | | and Colville 1968) for an anorthite from Miyake, Japan showed diffuse c diffractions elongated near the...(irregular gray) in a phenocryst An 95 .4 from Miyake, Japan (McLaren and Marshall 1974). Adjacent domains are...Central Alps, An 65 . b Specimen JN03 from a gabbro, Japan, 1II,I1II1lIllIIlIlJIlIlIllIIIIJWIUl b An 70_80...Italy; Foit and Peacor (1973) anorthite from Miyake, Japan; Grundy and Brown (1967,1974) 13 various plagioclases;...by Y osimura (1936) at the Kaso manganese mine, Japan. Spencer (1942) listed the occurrences of hyalophane |
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