Search Results 1-20 of 599

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Initial magnetic susceptibility measurements of the Ryoke granitic rocks around Mikawa Bay, Aichi Prefecture, Japan [in Japanese]

Hoshi Hiroyuki , Morisato Maki , Yuri Nishimura

Nagoya Journal of Space and Earth Sciences 83(0), 1-9, 2021

J-STAGE
2

Magmatic activity in back-arc basin: an example from Mado Megamullion, Shikoku Basin [in Japanese]

Akizawa Norikatsu , Ohara Yasuhiko , Okino Kyoko , Ishizuka Osamu , Yamashita Hiroyuki

背弧海盆で採取される玄武岩(BABB)は，一般的に中央海嶺で採取される玄武岩(MORB)から島弧玄武岩(IAB)の中間的な化学組成を示す．これは，スラブ由来成分のソースマントルへの付け足しの程度に依ると考えられる．一方で，BABBの組成多様性には時間や地域的な多様性が認められるため，背弧海盆拡大の進化を理解するためには，時間変化やテクトニックセッティングを考慮する必要がある．ここ …

Abstracts of Annual Meeting of the Geochemical Society of Japan 67(0), 135, 2020

J-STAGE
3

The Ashizuri granite-alkaline gabbro complex in the forearc of a Paleogene accretionary complex, Shikoku, Japan: Constraints on evolution by zircon U-Pb age and trace element composition

Matsumoto Takumi , Aoki Kazumasa , Windley Brian F. , Aoki Shogo

… In order to better understand the tectono-magmatic history of the Miocene Ashizuri igneous complex in Shikoku, SW Japan, we conducted U-Pb isotopes and trace element analyses of zircons from an alkali gabbro, a dolerite and A-type granites in this complex by laser-ablation inductively-coupled plasma-mass spectrometry (LA-ICP-MS). …

GEOCHEMICAL JOURNAL 54(6), 411-420, 2020

J-STAGE
4

Petrology of spinel-bearing layered gabbro from the Hess Deep rift, East Pacific Rise (IODP Site U1415) [in Japanese]

Kondo Keita , Hoshide Takashi



Annual Meeting of the Geological Society of Japan 2019(0), 89, 2019

J-STAGE
5

Chichibu Composite Terrane of Yokoze town, Saitama Prefecture in the eastern Kanto Mountains, SW Japan [in Japanese]

Katoh Kiyoshi



Annual Meeting of the Geological Society of Japan 2019(0), 411, 2019

J-STAGE
6

Characteristics of Sr-Nd isotopic composition, San-yo and Ryoke Belts, Chugoku-Shikoku region, SW Japan. [in Japanese]

Kodama Shogo , Owada Masaaki , Imaoka Teruyoshi , Kamei Atsushi



Annual Meeting of the Geological Society of Japan 2019(0), 363, 2019

J-STAGE
7

Gabbro cataclasite xenoliths of the Fuji 1707 eruption, Japan [in Japanese]

Ishibashi Hidemi , Harigane Yumiko , Yasuda Atsushi , Hokanishi Natsumi

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2019(0), 21-21, 2019

J-STAGE
8

Hydrogen isotopic composition of pyroxenes in gabbro based on ion microprobe analysis: Implication for hydrogen isotopic evolution of mantle [in Japanese]

Yagi Hiakru , Itoh Shoichi , Ishikawa Akira , Shibuya Takazo , Ueno Yuichiro

本研究では、SIMSによる輝石の水素同位体分析法を開発することを目的とした。標準試料にはソロモン諸島マライタ島産メガクリストの輝石SAX34(Ishikawa et al., 2004)を用いた。SAX34を包有物のない純粋な部分のみ粉末化後、熱分解型元素分析/同位体比質量分析計(TCEA/MAT253 IRMS)を用いて水素同位体比および含水量を測定した。標準試料SAX34の水 …

Abstracts of Annual Meeting of the Geochemical Society of Japan 66(0), 187, 2019

J-STAGE
9

Fracturing and Formation of Ductile Shear Zones in the Continental Lower Crust [in Japanese]

OKUDAIRA Takamoto , TOYOSHIMA Tsuyoshi

… Plagioclase-rich rocks (e.g., gabbro and gabbronorite) are major constituents of the lower crust. …

Journal of Geography (Chigaku Zasshi) 128(5), 747-760, 2019

J-STAGE
10

Petrological features of olivine-norite along the Ougon-douro, southern part of the Hidaka metamorphic belt, Hokkaido [in Japanese]

Shimura Toshiaki , Kojima Moeru , Ohashi Miyuki , Yamane Mikio , Kemp Anthony I. S.

Small olivine-norite bodies crop out along the Ougon-douro, southern part of the Hidaka metamorphic belt. This outcrop has been visited by many geological excursions since the 1970s. However, …

The Journal of the Geological Society of Japan 125(2), 195-200, 2019

J-STAGE
11

Sr–Nd isotopic compositions of the Susuma–Nagaho Plutonic Complex in the San–yo Belt, Southwest Japan: Implications for the Cretaceous enriched mantle

KODAMA Shogo , OWADA Masaaki , IMAOKA Teruyoshi , KAMEI Atsushi

… The central part of Yamaguchi Prefecture, in the Susuma–Nagaho area, displays a dominance of the Susuma–Nagaho Plutonic Complex that consists of granodiorite and gabbro. … The gabbro can be subdivided into fine–grained gabbro and coarse–grained cumulus gabbro. …

Journal of Mineralogical and Petrological Sciences 114(2), 99-104, 2019

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12

High-K tholeiitic volcanic rocks of Yoneyama Formation from the northern Fossa Magna, central Japan: Derivative from high water content magma [in Japanese]

AIZAWA Masataka , OKAMURA Satoshi , SHINJO Ryuichi , TAKAHASHI Toshiro , Yoneyama Research Group

Late Pliocene-Early Pleistocene igneous rocks of Yoneyama Formation from the northern Fossa Magna region, central Japan, consist of basaltic to andesitic rocks and small intrusive rocks; they …

Japanese Magazine of Mineralogical and Petrological Sciences 48(1), 1-24, 2019

J-STAGE
13

Fletcherite group minerals from the Kouyama gabbro, Hagi city, Yamaguchi Prefecture, Japan - Studies on their chemical compositions and Raman spectroscopy - [in Japanese]

北風嵐 , 小澤信 , 麻川明俊 , 小松隆一 , 伊藤嘉紀

東北アジア研究 = Northeast Asian Studies (22), 41-63, 2018-02-28

IR
14

Fletcherite group minerals from the Kouyama gabbro, Hagi city, Yamaguchi Prefecture, Japan : Studies on their chemical compositions and Raman spectroscopy [in Japanese]

北風嵐 , 小澤信 , 麻川明俊 , 小松隆一 , 伊藤嘉紀

東北アジア研究 (22), 41-63, 2018
15

Magma process of the plutonic complex in Sanyo zone, Yamaguchi Prefecture, SW Japan. [in Japanese]

Kodama Shogo , Owada Masaaki , Imaoka Teruyoshi , Kamei Atsushi

山口県中部，須々万地域には山陽帯に属する須々万-長穂花崗閃緑岩が分布し(村上，1986)，東縁に1km×1kmのストック状斑レイ岩を伴う．花崗閃緑岩は中粒・塊状，明灰色で，斜長石, 角閃石, 黒雲母, 石英,およびカリ長石からなる．花崗閃緑岩の黒雲母K-Ar年代は92.1 Maを示す．斑レイ岩は玉石状で暗灰色～青灰色を示す．露頭産状・岩石組織および鉱物・全岩化学組成の特徴から、細粒斑レイ岩と集積岩 …

Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences 2018(0), 148, 2018

J-STAGE
16

Physical property measurement of ICDP Oman Drilling Project (ChikyuOman2017) Phase I - From Oceanic Plate to obduction stage [in Japanese]

Abe Natsue , de Obeso Juan Calros , Teagle Damon , Coggon Jude , Harris Michelle , Oman Drilling Project Phase 1 Science Party , Okazaki Keishi , Hatakeyama Kohei , Ildefonse Benoit , Tateishi Yamato , Leong James Andrew , Michibayashi Katsuyoshi , Takazawa Eiichi , Kelemen Peter

ICDP オマーン陸上掘削第１期において採取されたオフィオライト地殻上部/下部境界（GT3）、地殻下部(GT1 、2)およびマントル基底部(BT1)の４孔の岩石コア試料を、2017年7-9 月の2 ヶ月間、地球深部探査船「ちきゅう」船上ラボにおいて記載･計測を実施した。「ちきゅう」船上ラボのファシリティーを最大限活用し、約1500ｍ分（回収率100％）のコア試料の岩石物性測定では、海底掘削では得ら …

Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences 2018(0), 135, 2018

J-STAGE
17

Occurrences of leucocratic rocks in Oceanic gabbros: an example from IODP Hole1473A on Atlantis Bank of the Southwest Indian Ridge [in Japanese]

Nguyen Du Khac , Morishita Tomoaki , Soda Yusuke , Ghosh Biswajit , Harigane Yumiko , MacLeod Christopher , Blum Peter , Dick Henry J.B. , Tamura Akihiro

【災害のためプログラム中止】平成30年北海道胆振東部地震により学術大会のプログラムが大幅に中止となりました．中止となったプログラムの講演要旨については，著者のプライオリティ保護の見地からJ-STAGEに公開し，引用可能とします．ただし，学術大会においては専門家による議論には供されていませんので「災害のためプログラム中止」との文言を付記します．（日本地質学会行事委員会）

Annual Meeting of the Geological Society of Japan 2018(0), 59, 2018

J-STAGE
18

Review: regional variation of the petrophysics in gabbros and ultramafic rocks from the oceanic lower crust to upper mantle drilling [in Japanese]

Abe Natsue , Ildefonse Benoit , Akamatsu Yuya , Hatakeyama Kohei , Katayama Ikuo , Hirose Takehiro , Tadai Osamu

Annual Meeting of the Geological Society of Japan 2018(0), 58, 2018

J-STAGE
19

Galapagos influence recorded in Hess Deep: Ti enrichment in pyroxenes from gabbro drilled during ODP Leg. 147 and IODP Exp. 345. [in Japanese]

Chatterjee Sayantani , Python Marie , Godard Marguerite , Akizawa Norikatsu

【災害のためプログラム中止】平成30年北海道胆振東部地震により学術大会のプログラムが大幅に中止となりました．中止となったプログラムの講演要旨については，著者のプライオリティ保護の見地からJ-STAGEに公開し，引用可能とします．ただし，学術大会においては専門家による議論には供されていませんので「災害のためプログラム中止」との文言を付記します．（日本地質学会行事委員会）

Annual Meeting of the Geological Society of Japan 2018(0), 43, 2018

J-STAGE
20

Initial Report of the petrophysical analysis ChikyuOman2018, ICDP Oman Drilling Project Phase II [in Japanese]

Abe Natsue , Moe Kyaw , Yamada Yasuhiro , OmanDrillingProject Phase II Science Party , Okazaki Keishi , Hatakeyama Kohei , Akamatsu Yuya , Katayama Ikuo , Takazawa Eiichi , Michibayashi Katsuyoshi , Peter Kelemen , Teagle Damon

Annual Meeting of the Geological Society of Japan 2018(0), 38, 2018

J-STAGE

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