 | | Journal (article/letter/editorial) | | REGION AND AN '~Ar/agAr AGE FROM BIOTITE DACITE ON OKINAWA* CARL BOWIN Woods Hole Oceanographic Institution...biotite dacite that intrudes metamorphic rocks on Okinawa in the Ryukyu island arc has been dated at 12 m... In Kyushu and Shikoku, the southern Japanese islands, intrusive and volcanic igneous rocks dated as...association with the Okinawa Trough, northwest of the Ryukyu island arc, may indicate that the trough itself developed...northwestern margin of the Philippine Sea (Fig. 1). These islands lie on a ridge linking the north end of Taiwan |  | | Journal (article/letter/editorial) | | of Science, Kanazawa University, Kanazawa 920, Japan Abstract Chromian spinel in volcanic rocks is a...eo s 9176 Ryozen basalt o Alkali basalts, SW Japan I I Ti02 w,% l 9 Ryozen 9 / 9 \/# ~" d...Ishizaka, 1981). Tekakusayama alkali basalt, central Japan is Miocene in age (Hattori, 1986). the same (e.g...Mg-rieh arc tholeiite of Miocene age in northeast Japan arc (e.g. Shuto etal., 1985). FeJ+#, FeJ+/(Cr +...Intraplate alkali basalts (mostly from the southwest Japan arc) have Cr# < 0.6 (Arai, 1990b) (Fig. 3C). Oceanic |  | | Report (issue) | | 602(1) c = 22.626(5) Z=2 X-ray Powder Pattern: Diaoyudao Island, China. 11.2 (10), 2.680 (7), 5.65 (6)...12 Total 100.04 (2) 94.76 5.24 100.00 (1) Diaoyudao Island, China; by electron microprobe, average...muds at about 1500 m water depth. Association: Chromium inclusions; other heavy minerals include āhornblendeā... In the Okinawa Trough, near Diaoyudao Island, a few km northeast of Taiwan. For Diaoyudao Island, near |  | Li, Xiaohui, Ren, Zhongyuan, Zeng, Zhigang, Yang, Huixin, Zhang, Le, Wang, Xiaoyuan, Fang, Bowen, Guo, Kun (2020) Petrogenesis of middle Okinawa Trough volcanic rocks: Constraints from lead isotopes in olivine-hosted melt inclusions. Chemical Geology, 543. 119600pp. doi:10.1016/j.chemgeo.2020.119600 | Journal (article/letter/editorial) | | Journal Pre-proof Petrogenesis of middle Okinawa Trough volcanic rocks: Constraints from lead isotopes...Ren, Z. Zeng, et al., Petrogenesis of middle Okinawa Trough volcanic rocks: Constraints from lead isotopes... Journal Pre-proof Petrogenesis of middle Okinawa Trough volcanic rocks: constraints from lead isotopes...understood and still-debated magma sources in the Okinawa of Trough, a back-arc basin in the western Pacific...mantle properties and petrogenesis of middle Okinawa Trough volcanic rocks. The melt inclusions have more |  | | Journal (article/letter/editorial) | | voluminous basalt volcanism in northwest Kyushu, Japan Masao Nakada *, Takeru Yanagi, Shunāichi Maeda Department...Kyushu Unir~ersity33. Hakozaki. Fukuoka 812-81. Japan Received 4 September 1996; revised 9 December ...in the back-arc region of northwestern Kyushu, Japan. The basin consists of a succession of marine and...extensional, as inferred from the extension of Okinawa Trough during the middle to late Miocene [l], the...observed in the upper mantle beneath the northeastern Japan arc [14]. In addition to this observation, King |  | Li, Xiaohui, Zeng, Zhigang, Dan, Wei, Yang, Huixin, Wang, Xiaoyuan, Fang, Bowen, Li, Qiuli (2020) Source lithology and crustal assimilation recorded in low Ī“18O olivine from Okinawa Trough, back-arc basin. Lithos, 360. 105444 doi:10.1016/j.lithos.2020.105444 | Journal (article/letter/editorial) | | assimilation recorded in low Ī“18O olivine from Okinawa Trough, back-arc basin Xiaohui Li, Zhigang Zeng,...assimilation recorded in low Ī“18O olivine from Okinawa Trough, back-arc basin, LITHOS(2020), https://doi...assimilation recorded in low Ī“18 O olivine from Okinawa Trough, back-arc basin Xiaohui Lia,b,c* , Zhigang...first time, low Ī“ 18 O olivines within the Okinawa Trough, a nascent f epicontinental back-arc basin...magmatic evolution of pr volcanic rocks in the Okinawa Trough. In general, olivines show lower Ni contents |  | Li, Xiaohui, Zeng, Zhigang, Yang, Huixin, Zhao, Yuting, Yin, Xuebo, Wang, Xiaoyuan, Chen, Shuai, Qi, Haiyan, Guo, Kun (2020) Integrated major and trace element study of clinopyroxene in basic, intermediate and acidic volcanic rocks from the middle Okinawa Trough: Insights into petrogenesis and the influence of subduction component. Lithos, 352. 105320 doi:10.1016/j.lithos.2019.105320 | Journal (article/letter/editorial) | | intermediate and acidic volcanic rocks from the middle Okinawa Trough: Insights into petrogenesis and the influence...intermediate and acidic volcanic rocks from the middle Okinawa Trough: Insights into petrogenesis and the influence...intermediate and acidic volcanic rocks from the middle Okinawa Trough: Insights into petrogenesis and the influence... Abstract Magmatism is very common in the Okinawa Trough. However, the influence of magmatic processes...rhyolites from the Iheya Ridge in the middle Okinawa Trough are pr examined to determine their petrogenesis |  | | Report (issue) | | Basin 24, and in nascent backarc rifts such as the Okinawa Trough25. In 1991, extensive sulphide deposits...sediment-hosted massive sulphides (e.g., Escanaba Trough, Guaymas Basin), while being somewhat larger than...intraoceanic back-arc spreading centres (e.g., Mariana Trough, Manus Basin, North Fiji Basin, Lau Basin) are...n=573, Table 2). Polymetallic sulphides in the Okinawa Trough, where rhyolites and dacites are a product...mid-ocean ridge fluids. Massive sulphides from the Okinawa Trough25 are even more enriched in Pb than massive |  | | Journal (article/letter/editorial) | | Technology, Meguro, Tokyo 152-8551, Japan Precambrian Ecosystem Laboratory, Japan Agency for MarineāEarth Science...Yokosuka 237-0061, Japan c Subsurface Geobiology Advanced Research (SUGAR) Program, Japan Agency for MarineāEarth...Technology (JAMSTEC), Natsushima-cho, Yokosuka 237-0061, Japan d Earth-Life Science Institute, Tokyo Institute...Institute of Technology, Meguro, Tokyo 152-8551, Japan b a r t i c l e i n f o Article history: Received 7...at the Iheya North hydrothermal ļ¬eld in the Okinawa Trough recovered in Integrated Ocean Drilling Program |  | Tokunaga, Kohei, Uruga, Tomoya, Nitta, Kiyofumi, Terada, Yasuko, Sekizawa, Oki, Kawagucci, Shinsuke, Takahashi, Yoshio (2016) Application of arsenic in barite as a redox indicator for suboxic/anoxic redox condition. Chemical Geology, 447. 59-69 doi:10.1016/j.chemgeo.2016.10.016 | Journal (article/letter/editorial) | | University, Higashi-Hiroshima, Hiroshima 739-8526, Japan Department of Earth and Planetary Science, The University... Tokyo 113-0033, Japan SPring-8/JASRI, Mikazuki 1-1-1, Sayo, Hyogo 679-5189, Japan d Innovation Research...Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan e Marine-Earth Science and Technology (JAMSTEC)...2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan b c a r t i c l e i n f o Article history: Received...collected in (i) Tamagawa Hot Spring and (ii) Okinawa hydrothermal vent were determined by micro-X-ray |  | | Book | | 2001 29 March 2001 27 April 2001 22 May 2001 Japan CCFZ, Pacific Ocean 20 June 2001 France CCFZ...ā II UK and Northern Ireland Cook Islands Investment Cook Islands Corporation China Minmetals Corporation...exploration of ferromanganese crusts Contractor Japan oil, Gas and Metals National Corporation China Ocean...Recursos Minerais Republic of Korea Sponsoring State Japan General location of the exploration area under...Paper No. 6328. Fukushima, T. (1995). Overview Japan deep-sea impact experiment = JET. Proceedings of |  | | Journal (article/letter/editorial) | | vein Chemical composition Chimney Chromian spinel Chromium Cleavable olivine Cooling process Corundum + quartz...orogeny 13 Ise 255 Itacolumites 299 Izumi Group 79 Japan 255 Jiamusi Massif 326 Kerala Khondalite Belt 195...97 Oeyama ophiolite 36 Oki-Dogo Island 246 Okinawa Trough 26 Olivine 91, 246 Oman ophiolite 235, 261...Southern Granulite Terrane in India Southern Mariana Trough Spinel-free dunite 299 91 103 130 85 91 1 204 |  | | Book (edition) | | hydrothermal equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic overprinting...grey); Serpentinite at Oko, NE of Koti, Shikoku, Japan (sample: Hanel/Altherr); PPL If marked in description...Yanshan meteorite, Yan Mts (Yanshan), Chengde Prefecture, Hebei Province, China Fersilicite, Kamacite...Yanshan meteorite, Yan Mts (Yanshan), Chengde Prefecture, Hebei Province, China Fersilicite, Gupeiite...Uryugawa, Uryu-gun, Kamikawa Province, Hokkaido, Japan Isoferroplatinum, Nickelferroplatinum, native Platinum |  | | Journal (article/letter/editorial) | | contents of strontium, titanium, zirconium, nickel, chromium, fluorine and especially phosphorus are higher...with discontinuous zoning in the basalt from Okinawa Trough and their tectonic significance X.M. CHEN,...coexisting in the basalt from the middle of Okinawa Trough. One (Pl-I) shows a homogeneous An-high core...are crystal from the same magma chamber under Okinawa Trough. The edge of the two kinds of plagioclases...obvious that the floor under the middle of Okinawa Trough exists the lower crust, and doesnāt form new |  | | Journal (article/letter/editorial) | | Iran and its proforeland evolutionāMehdi Alavi Chromium geochemistry in serpentinized ultramafic rocks...magnetite- and ilmenite-series granitic rocks in the Japan ArcāTetsuichi Takagi 569 APPLIED CLAY SCIENCE...volcanic-hosted massive sulfide deposits of the Hill End trough, eastern Lachlan fold belt, New South WalesāP.M...hydrothermal field in the Mid-Atlantic Ridge (Lost City Field, 30Ā° N)āA.Yu. Lein, Yu.A. Bogdanov, A.M. Sagalevich...volcaniclastic rocks from drill cores, Kakkonda, JapanāAtsuyuki Inoue, Alain meunier, and Daniel Beaufort |  | Yuan, Long, Yan, Quanshu, Shi, Xuefa, Zhang, Haitao, Liu, Xijun (2019) In Situ LA-ICP-MS Analysis of Minerals Hosted by Late Cenozoic Basaltic Rocks from Thailand. Minerals, 9 (7) 446 doi:10.3390/min9070446 | Journal (article/letter/editorial) | | 30 mm2 , and most were for Fe; garnet for Al; chromium oxide for Cr; rutile for Ti; rhodonite for Mn;...olivine for Mg; haematite for Fe; garnet for Al; chromium oxide for Cr; rutile for Ti; rhodonite for Mn;...Thailand Hainan Island South China Sea basin Okinawa trough Clinopyroxene T (ā¦ C) 1145ā1214 1100ā1250...for the SCS regions (927ā1179 ā¦ C), and the Okinawa trough (1012ā1280 ā¦ C) (Table 2) [10,66]. 4.4. Tectonic...Clinopyroxenes in Basaltic Pyroclastic Rocks from the Xisha Islands, Northwestern South China Sea. Minerals 2018, 8 |  | Eickmann, Benjamin, Baumberger, Tamara, Thorseth, Ingunn H., Strauss, Harald, FrĆ¼h-Green, Gretchen L., Pedersen, Rolf B., Jaeschke, Andrea (2020) Sub-seafloor sulfur cycling in a low-temperature barite field: A multi-proxy study from the Arctic Lokiās Castle vent field. Chemical Geology, 539. 119495 doi:10.1016/j.chemgeo.2020.119495 | Journal (article/letter/editorial) | | active hydrothermal systems (Tyrrhenian Sea, Okinawa Trough), corroborate this ļ¬nding and identify the...acid-volatile sulļ¬de (AVS, i.e. mono-sulļ¬des) and the chromium-reducible sulfur (CRS, i.e. di-sulļ¬des like pyrite)...positive excursion at 92 cm. Ī“34S values for CRS (chromium-reducible sulfur) for the same gravity core ranges...GS09-GC07 (c). AVS: acid-volatile sulfur; CRS: chromium-reducible sulfur. Errors for Ī“34S ( Ā± 0.3ā°) are...sediments of the Iheya North hydrothermal system (Okinawa Trough) and in sediments of the Guaymas Basin (Aoyama |  | | Journal (article/letter/editorial) | | is also peculiar in the presence of dispersed chromiumāvanadium mineralization. Basic crystalline schists...the influx of phosphorus, sil ica, vanadium, chromium in the basin, which is marked by the formation...also some differences, in particular, weak Zrā Hf trough and, correspondingly, somewhat lowered Zr/Nb ratio...subduction settings, as well as basalts of oce anic islands and withinplate continental settings. The comparison...basalts of subduction settings, some times, oceanic islands, but are dissimilar to those of pas sive margins |  | | Journal (article/letter/editorial) | | 63(23/24):4111 carbonaceous chondrites 63(7/8):1233 chromium 63(23/24):4111 fractional crystallization 63(7/8):1233...63(6):925 chondrules 63(6):945 chromium isotopes 63(9):1443 chromium isotopes 63(9):1443 chronometry...molybdenum 63(19/20):3457 oceanic crust 63(3/4):351 Okinawa trough 63(19/20):3457 tungsten 63(19/20):3457 Yellow...NaAlO2-SiO2-CO2 63(21):3549 Nd isotopes 63(23/24):4119 ocean islands 63(23/24):4081 partial melting 63(23/24):4081 partition...of geothermal emanations in the Lesser Antilles Islands Arc . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | com; Tel: +65 6511 8000. Japan: For Japanese speaking support, Email: cs-japan@wiley.com;. Visit our Online...Zhang, H. Li, K. Ning, Y. Liu and C. Zhu ........ Chromium speciation in the sediments across the oxygen...silicate melt inclusions in middle and southern Okinawa Trough rocks: Implications for petrogenesis and variable |  | TAMAYO, Rodolfo A., YUMUL, Graciano P., MAURY, RenĆ© C., POLVĆ, Mireille, COTTEN, Joseph, BOHN, Marcel (2001) Petrochemical Investigation of the Antique Ophiolite (Philippines): Implications on Volcanogenic Massive Sulfide and Podiform Chromitite Deposits. Resource Geology, 51 (2) 145-164 doi:10.1111/j.1751-3928.2001.tb00088.x | Journal (article/letter/editorial) | | University of the Philippines, Diliman, Quezon City 1101, Philippines [e-mail: tamayo@sdt.univ-brest...Antique Ophiolite, Philippines Panay from the other islands of central Philippines. The southeast Sulu Sea...correlation with similar deposits exposed in the islands north of Panay (i.e., Mindoro) suggest that they...Existing back-arc basins, among them the Mariana Trough (e.g., Hawkins and Melchior, 1985), Lau Basin (Hawkins...Fiji Basin (e.g., Eissen et al., 1994) and Havre Trough (Gamble and Wright, 1995) yielded basaltic samples |  | Altunkaynak, Åafak, Ćnal, Alp, Howarth, Geoffrey H., Aldanmaz, Ercan, NĆ½vlt, Daniel (2019) The origin of low-Ca olivine from ultramafic xenoliths and host basaltic lavas in a back-arc setting, James Ross Island, Antarctic Peninsula. Lithos, 342. 276-287 doi:10.1016/j.lithos.2019.05.039 | Journal (article/letter/editorial) | | are not strongly correlated with Ni (Figure 4). Chromium and Al concentrations are relatively low; <130...distinct trends relative to Ni ED (Figure 4). Chromium and Al concentrations are higher relative to the...olivine chemistry (Fo87 ) reported from the Okinawa ED trough BABB have higher Ca contents (~2000 ppm;...interact to generate basalts in the southern Mariana Trough back-arc basin, Geochimica et Cosmochimica Acta...geochemistry of volcanic rocks dredged from the Okinawa Trough, an active back-arc basin. Geochemical Journal |  | Zhao, Zhenyu, Zhang, Zhaochong, Santosh, M., Huang, He, Cheng, Zhiguo, Ye, Jinchao (2015) Early Paleozoic magmatic record from the northern margin of the Tarim Craton: Further insights on the evolution of the Central Asian Orogenic Belt. Gondwana Research, 28 (1) 328-347 doi:10.1016/j.gr.2014.04.007 | Journal (article/letter/editorial) | | Normalization values are from Sun and McDonough (1989). Okinawa BABB and Mariana BABB are after Shinjo et al. (1999)...as displayed by those in the Mariana, Lau and Okinawa basins (Hawkins and Melchior, 1985; Gill, 1987)...such as the Mariana Trough (MTB) or on a continental basement such as the Okinawa Trough (OTB). On the Th/Yb...the BABB with a continental basement from the Okinawa Trough display E-MORB or oceanic island basalt (OIB)...Th/Yb vs. Nb/Yb (after Pearce and Peate, 1995). Okinawa back-arc basin is from Shinjo et al. (1999). Normal |  | | Journal (article/letter/editorial) | | University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan (tachi@eps.a.u-tokyo.ac.jp) The estimated initial...Inst. Radiol. Sci., 4-9-1 Anagawa, Chiba 263-8555, Japan (*correspondence: k_tagami@nirs.go.jp) Simple Application...Science, Hiroshima University, Hiroshima 739-8526, Japan (*correspondence: ytakaha@hiroshima-u.ac.jp) 2 Advanced...Advanced Science Research Center, JAERI, Tokai, Japan 3 Department of Earth Sciences, University of Ottawa...Program, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Japan (kent@jamstec |  | | Book | | Postgraduate Student, Universidad Autonoma Nacional, Mexico City, Mexico, Email: Physiter@starmedia.com Ms. Frida...Decretario de Comercio Fomento Industrial, Mexico City, Mexico, Email: Physiter@starmedia.com Mr. Arne...Management Department, Metal Mining Agency of Japan, Tokyo, Japan, Email: kajitani@mmaj.go.jp Mr. Jung-Keuk...operations to recover metals in deposits of gold, tin, chromium, titanium, monazite, zircon and barium from marine...offshore South Africa, Madagascar, and India. Chromium (to be found in the mineral chromite) is recovered |
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