 | | Journal (article/letter/editorial) | | 1. metamorphic Geol., 1994, 12, 841-852 Prograde amphiboles in hematite-bearing basic and quartz schists...schists in the Sanbagawa belt, central Shikoku: relationship between metamorphic field gradient and P-T...epidote, muscovite, albite, quartz and hematite in Sanbagawa schists was examined to investigate the relationship...individual rocks and the metamorphic field gradient in the Sanbagawa metamorphic belt, central Shikoku. The...amphibole changes from actinolite, through ferri-winchite and crossite, to barroisite and hornblende with |  | | Journal (article/letter/editorial) | | northern segment of the Sanbagawa belt, Saruta-gawa area, central Shikoku, Japan Yasuyuki Banno ) Geological... Geological SurĆey of Japan, 1-1-3 Higashi, Tsukuba, Ibaraki, 305-8567, Japan Received 25 January 1999;...higher grade zone in the Saruta-gawa area of the Sanbagawa belt was studied to investigate the relationships...the prograde and retrograde PāT paths of the Sanbagawa metamorphism. This amphibole coexists with chlorite...margins, which have winchiteāmagnesioriebeckite compositions. The barroisiteāwinchiteāmagnesioriebeckite |  | | Journal (article/letter/editorial) | | J. metamorphic Geol., 2005, 23, 335ā356 doi:10.1111/j.1525-1314.2005.00580.x Progress of actinolite-forming...metamorphism: an example from the Sanbagawa metamorphic belt in central Shikoku, Japan A. OKAMOTO1 AND M. TORIUMI2...Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan (saokamo@ipc.shizuoka.ac.jp) 2 Department of Complexity...Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan ABSTRACT Hydration reactions are direct evidence...the reaction progress. Maļ¬c schists in the Sanbagawa belt contain amphibole coexisting with epidote, |  | AOKI, K., ITAYA, T., SHIBUYA, T., MASAGO, H., KON, Y., TERABAYASHI, M., KANEKO, Y., KAWAI, T., MARUYAMA, S. (2008) The youngest blueschist belt in SW Japan: implication for the exhumation of the Cretaceous Sanbagawa high-P/T metamorphic belt. Journal of Metamorphic Geology, 26 (5) 583-602 doi:10.1111/j.1525-1314.2008.00777.x | Journal (article/letter/editorial) | | J. metamorphic Geol., 2008, 26, 583ā602 doi:10.1111/j.1525-1314.2008.00777.x The youngest blueschist...blueschist belt in SW Japan: implication for the exhumation of the Cretaceous Sanbagawa high-P ā T metamorphic...metamorphic belt K. AOKI,1 T. ITAYA,2 T. SHIBUYA,1 H. MASAGO,3 Y. KON,1 M. TERABAYASHI,4 Y. KANEKO,5 T. KAWAI1...Tokyo Institute of Technology, Tokyo 152-8551, Japan (kazumasa@geo.titech.ac.jp) 2 Research Institute...Science, Okayama 700-0005, Japan 3 Center for Deep Earth Exploration, Japan Agency for Marine-Earth Science |  | | Report (chapter) | | April 1, 2015 Exhumation of the Sanbagawa blueschist belt, SW Japan, by lateral flow and extrusion: evidence...Sciences, University of Tokyo, Hongo 7-3-1, Tokyo 113, Japan Abstract: The correlation in time of a pervasive...strike-parallel, retrograde stretching lineation in the Sanbagawa blueschists with a nearly down-dip, prograde lineation...underlying Shimanto belt suggests that the oblique accretion and underplating of this belt was at least in...riebeckite in radiolarian cherts of the Sanbagawa belt, western Shikoku, Japan, indicate essentially continuous |  | | Journal (article/letter/editorial) | | J. metamorphic Geol., 1990, 8,425439 Prograde and retrograde metamorphism of hematitebearing basic schists...schists in the Sanbagawa belt in central Shikoku M. OTSUKI' Geological Institute, University of Tokyo...omitting or grouping major components. In the Sanbagawa belt in central Shikoku, the dominant amphibole...the hematite-bearing basic schists changes from winchite, via crossite and barroisite t o hornblende. The...stability; basic schist; hematite-bearing schist; Sanbagawa schist. INTRODUCTION Amphibole and epidote solid |  | | Journal (article/letter/editorial) | | J. metamorphic Geol., 2010, 28, 873ā893 doi:10.1111/j.1525-1314.2010.00898.x Evidence for multiple...Onodani eclogites in the Sambagawa metamorphic belt, central Shikoku, Japan M. F. KABIR AND A. TAKASU Department...University, 1060 Nishikawatsu, Matsue 690-8504, Japan (fazlekabir@gmail.com) ABSTRACT Eclogites from...from the Onodani area in the Sambagawa metamorphic belt of central Shikoku occur as layers or lenticular...These eclogites experienced three different metamorphic episodes during multiple burial and exhumation |  | | Journal (article/letter/editorial) | | 0022-3530/91 $3.00 Metamorphic Petrology of the Northern Tokoro Metabasites, Eastern Hokkaido, Japan by MASAYUKI...Ehime University, Bunkyo-cho 2-5, Matsuyama 790, Japan (Received 30 October 1989; revised typescript accepted...among the Franciscan, New Caledonia, Shuksan, Sanbagawa, and Western Otago series depends on the pressure...constituent of metabasites in many high-P/r metamorphic terranes. Its composition depends on pressure...The metabasites within the Tokoro belt of eastern Hokkaido, Japan, suffered pervasive high-P/T metamorphism |  | HARA, I., SHIOTA, T., HIDE, K., OKAMOTO, K., TAKEDA, K., HAYASAKA, Y., SAKURAI, Y. (1990) Nappe structure of the Sambagawa belt. Journal of Metamorphic Geology, 8 (4) 441-456 doi:10.1111/j.1525-1314.1990.tb00630.x | Journal (article/letter/editorial) | | 1. metamorphic Geol., 1990, 8, 441-456 Nappe structure of the Sarnbagawa belt I . HARA,ā T. S H I O...of Science, Hiroshima University, Hiroshima, 730 Japan āDivision of Natural Science, Faculty of Integrated...Sciences, Tokushima University, Tokushima, 770 Japan Institute of Earth Science, Faculty of Education...University, Yamaguchi, 753 Japan ā ABSTRACT The thermal structure of the Sambagawa belt, which is reflected...Shikoku as an example for the structure of the whole belt. The upper horizon of the Sambagawa schist sequence |  | | Journal (article/letter/editorial) | | University, Kitashirakawa Oiwakecho, Kyoto 606ā8502, Japan We report the new ļ¬nding of barroisite (Brs)ābearing...Kebara Formation, a unit exposed between the Sanbagawa and the Chichibu belts in NW Kii Peninsula. The...material from metapelite samples which give peak metamorphic temperatures of 300ā340 Ā°C. Brs grains are identiļ¬ed...grains are replaced by sodium amphibole and/or winchite at the rim with a distinct compositional gap....Kebara Formation. In the Besshi area of the Sanbagawa belt, the earlier subducted higher grade rocks are |  | | Journal (article/letter/editorial) | | J . metamorphic Geol. 1984, 2, 365-369 Occurrence of lawsonite in pelitic schists from the Sanbagawa...Sanbagawa metamorphic belt, central Shikoku, Japan T E R U O WATANABE & H I D E 0 KOBAYASHI, Deparrment ofceology...ofceology, Shimane University, Matsue, 690, Japan Abstract. The occurrence of lawsonite is described from...consistent with the generally accepted view that the Sanbagawa facies series represents higher pressures than...Zealand. Key-words; Japan; lawsonite; pelitic schists; Sanbagawa metamorphic belt I NTR 0 D U CTIO N |  | | Journal (article/letter/editorial) | | application of Gibbsā method to the Sanbagawa schists, SW Japan Received: 1 October 2002 / Accepted:...hundreds of natural data sets of amphiboles in the Sanbagawa schists in the range 300ā550 C, 0.2ā1.1 GPa....the stability ļ¬elds of actinolite, hornblende, winchite, and barroisite of the greenschists and epidote-amphibolite...the representative zonings of amphiboles in the Sanbagawa schists suggest distinctive decompression P-T...provide useful information on P-T histories of metamorphic rocks. Okamoto and Toriumi Editorial responsibility: |  | | Journal (article/letter/editorial) | | schists: implications for the P-Thistory of the Sanbagawa belt Masaki Enami a, Simon R. Wallis 2, and Yasuyuki...School of Science, Nagoya University, Nagoya 464-01, Japan z Department of Geology and Mineralogy, Faculty...Faculty of Science~ Kyoto University, Kyoto 606, Japan ReceivedJanuary 11, 1993 / Accepted October 4, 1993...quartz schists in the Sanbagawa (Sambagawa) metamorphic belt, central Shikoku, Japan. The sodic pyroxene-bearing...47). Xja shows no systematic relationship to metamorphic grade, and is different among the three sampling |  | | Journal (article/letter/editorial) | | J. metamorphic Geol., 2002, 20, 633ā647 Regional variation in exhumation and strain rate of the high-pressure...high-pressure Sambagawa metamorphic rocks in central Shikoku, south-west Japan K. YAGI* AND T. TAKESHITA...739ā8526, Japan ABSTRACT Regional variation in the PāT path of the Sambagawa metamorphic rocks, central...central Shikoku, Japan has been inferred from compositional zoning of metamorphic amphibole. Rocks constituting...River area) exhibit a hairpin type PāT path, where winchite ā actinolite grew at the prograde stage, the peak |  | | Journal (article/letter/editorial) | | the Nikoro greenstones Tokoro Belt, eastern Hokkaido, in the Japan MASAYUKI SAKAKIBARA Department...Facultyof Science, Hokkaido University, Sapporo060,Japan. TheJurassicNikorogreenstones in theTokorodistrictof...intermediate typemetamorphism.Aragoniteis a widespread metamorphic mineralin the greenstones and has generallyformedby...Thecommonoccurrence of aragonitesupportsthat the metamorphic faciesseriesofthe NikoroGroupis placedin a higher...high-pressure intermediate group. It is supposedthat the metamorphic aragonitehas beenformedby the progradeincreasein |  | | Journal (article/letter/editorial) | | 1. metamorphic Geol. 1987, 5, 371-395 Parageneses and compositions of amphiboles from Franciscan jadeite-glaucophane...groundmass, and (4) composite crystals with metamorphic Ca-Na pyroxenes in low-grade rocks. They become...actinolite, and finally, at even higher grade, becomes winchite. Actinolite first appears in foliated blueschists...sodic and calcic amphiboles. At the highest grade, winchite appears at the expense of the actinolite-glaucophane...of major components is very sensitive to the metamorphic field gradient. Na-amphibole appears at lower |  | | Journal (article/letter/editorial) | | discovered high-pressure terrane in eastern Hokkaido, Japan MASAYUKI SAKAKIBARA, Department of Geology and Mineralogy...Faculty of Science, Hokkaido University, Sapporo 060, Japan Abstract. The upper Jurassic Nikoro greenstone...sodic pyroxene of the aegirinejadeite series, winchite, sodic amphibole of the glaucophane-riebeckite...fully worked out, the geology and metamorphic petrology of the belt are briefly described here so that...The Tokoro Belt is situated to the east of both the Kamuikotan high-pressure metamorphic belt and the Hidaka |  | Matsumoto, M., Wallis, S., Aoya, M., Enami, M., Kawano, J., Seto, Y., Shimobayashi, N. (2003) Petrological constraints on the formation conditions and retrograde P-T path of the Kotsu eclogite unit, central Shikoku. Journal of Metamorphic Geology, 21 (4) 363-376 doi:10.1046/j.1525-1314.2003.00449.x | Journal (article/letter/editorial) | | J. metamorphic Geol., 2003, 21, 363ā376 Petrological constraints on the formation conditions and retrograde...Planetary Sciences, Nagoya University, Nagoya 464ā8602, Japan (swallis@eps.nagoya-u.ac.jp) 2 Department of Geology...School of Science, Kyoto University, Kyoto 606ā8502, Japan ABSTRACT A largely undocumented region of eclogite...blueschist unit occurs in the Kotsu area of the Sanbagawa belt. The composition of coexisting garnet and omphacite...garnet-phengiteomphacite geobarometry gives metamorphic pressures around 20 kbar. Retrograde metamorphism |  | | Journal (article/letter/editorial) | | high-temperature fluid in the Sanbagawa metamorphic belt, southwest Japan Received: 10 October 1995 y...Tobe hornfels in the Sanbagawa metamorphic belt, western Shikoku, southwest Japan, is characterized by...by an abnormally steep metamorphic gradient compared with other hornfelses associated with intrusive bodies... originally Sanbagawa greenschist rocks, is divided into the following three metamorphic zones: plagioclase...Petrographical and thermometric studies indicate a metamorphic temperature range of 300ā 4758C for the plagioclase |  | | Journal (article/letter/editorial) | | (1994) 119-133 Evolution of the Sambagawa metamorphic belt, Japan A. Takasu a, S.R. Wallis b, S. Banno b...Matsue 690, Japan bDepartment of Geology and Mineralogy, Kyoto University, Kyoto 606, Japan CDepartment...1993 Abstract The high-pressure Sambagawa metamorphic belt evolved within a Mesozoic accretionary prism...of three major structural units with distinct metamorphic histories. One of these has since been completely...reaching peak metamorphic conditions. (iii) The dominant ductile deformation of the Sanbagawa belt representing |  | | Journal (article/letter/editorial) | | facies metabasites in. the Sanbagawa metamorphic belt in central Shikoku, Japan TAKASHi NAKAJIMA HTHOS...facies metabasites in the Sanbagawa metamorphic belt in central Shikoku, Japan. Lithos, Vol. 15, pp. 267-280...267-280. Oslo. ISSN 0024-4937. Sanbagawa metabasites metamorphosed at conditions near the upper limit...464, Jepan. Present address: Geological Survey of Japan, Chugoku Office Hiroshima Godo-Chosha. 6-30. KamiHacchobori...Hiroshima 730, Japan; November l~Sl. The mapping of metamorphic zones in the Sanbagawa belt of central Shikoku |  | | Report (chapter) | | Publications Geology and metamorphic evolution of the Sanbagawa metamorphic belt, Japan Shohei Banno and Chihiro...2013 Geology and metamorphic evolution of the Sanbagawa metamorphic belt, Japan Shohei Banno & Chihiro...Sakai S U M M A R Y : The Cretaceous (pre-Japan Sea) Sanbagawa metamorphism affected the Japanese Jurassic...regions now recognized as the Sanbagawa, Mikabu and Chichibu belts. The metamorphic peak (116 Ma) was reached...deformation formed upright 'D3' folds. The four metamorphic zones based on pelitic assemblages can be enhanced |  | Endo, Shunsuke, Wallis, Simon R., Tsuboi, Motohiro, Aoya, Mutsuki, Uehara, Shin-ichi (2012) Slow subduction and buoyant exhumation of the Sanbagawa eclogite. Lithos, 146. 183-201 doi:10.1016/j.lithos.2012.05.010 | Journal (article/letter/editorial) | | Slow subduction and buoyant exhumation of the Sanbagawa eclogite Shunsuke Endo a, b,ā, Simon R. Wallis...Technology (AIST), Central 7, Tsukuba 305ā8567, Japan Department of Earth and Planetary Sciences, Graduate...Environmental Studies, Nagoya University, Nagoya 464ā8602, Japan c Department of Chemistry, School of Science and...Technology, Kwansei Gakuin University, Sanda 669ā1337, Japan d Department of Environmental Science, Faculty of...of Science, Toho University, Funabashi 274ā8510, Japan b a r t i c l e i n f o Article history: Received |  | | Journal (article/letter/editorial) | | J . metamorphic Ceol. 1967, 5, 509-527 An example of high-pressure low-temperature metamorphic rocks...tholeiitic volcanism of early Mesozoic age. The metamorphic assemblages are syn- to post-kinematic with respect...chlorite sub-zone of the greenschist facies. The metamorphic imprint of the Paikon Series corresponds to a... Baroz, Capedri & Venturelli, 1987). A weak metamorphic imprint of greenschist facies is observed in...Isotopic data obtained on glaucophane date the metamorphic event as Middle Cretaceous (Bavay, Bavay, Maluski |  | TOGONBAEVA, Asel, TAKASU, Akira, TAGIRI, Michio, BAKIROV, Apas B., BAKIROV, Azamat A., SAKIEV, Kadyrbek (2010) Newly described eclogites from the Neldy Formation, Makbal district, Northern Tien-Shan, Kyrgyzstan. Journal of Mineralogical and Petrological Sciences, 105 (2) 80-85 doi:10.2465/jmps.091015c | Journal (article/letter/editorial) | | 690 8504, Japan ** College of Sciences, Ibaraki University, 2 1 1, Bunkyo, Mito 310 8512, Japan *** Institute...precursor metamorphic event and a subsequent eclogitic metamorphic event. The metamorphic conditions...represented by the amphibolite facies. The peak metamorphic conditions of the eclogitic event are estimated...25 kbars. The prograde, peak and retrograde metamorphic conditions define a hairpin type clockwise P...metamorphism - INTRODUCTION AND GEOLOGY The metamorphic sequence of the Akdzhon Group in the Northern |
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