 | | Journal (article/letter/editorial) | | University of Tokyo 731 Hongo, Bunkyo-Ku Tokyo 113-0033, Japan t_tagai@um.u-tokyo.ac.jp ;OL/PZ[VYPJ...University of Tokyo 731 Hongo, Bunkyoku Tokyo 113-0033, Japan akikomk@attglobal.net 7OPSPWW -YHUa ]VU:PLIVSK...Franz von Siebold, collected them while working in Japan for the Dutch East India Company. The specimens...Indonesia, the director of the company sent him to Japan for comprehensive studies of 96*2: 405...(1603–1867), the samurai Tokugawa clan governed Japan and closed the country to foreigners except for |  | | Book (volume) | | AND GEOTHERMAL FIELDS OF JAPAN QE 304 . A14 1992 v.4 Geological Survey of Japan 1992 Digitized by the...GEOTHERMAL FIELDS OF JAPAN Geological Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan 1992 15^1 ^ 29th...Geothermal Fields of Japan Editors: Hirokazu Kato and Harufumi Noro Geological Survey of Japan 1-1-3 Higashi...Higashi, Tsukuba 305, Japan Technical Editors Technical Reviewer: Hirokazu Hase, Hirokazu Kato, Yoshihiro...Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan Copyright Holder: Geological Survey of Japan 1992 Printed |  | | Journal (article/letter/editorial) | | Charlottesville] at 12:18 03 August 2012 from Japan Part 2: The Wada Mineral Collection, Ikuno Mine...Mine, Rainbow Garnet, and Mineral Dealers in Japan JOHN RAKOVAN Department of Geology Miami University Oxford...and Kyoto is swollen with visitors from all over Japan as well as abroad. A favorite activity for the locals...people in Japan) on the day of our ohanami party. Along with the ephemeral sakura, springtime in Japan also...preeminent collections of Japanese minerals in Japan. These are the Wada (later to become part of the |  | | Journal (article/letter/editorial) | | geomagnetic ¢eld intensity during the past 2000 years in Japan Arata Yoshihara a; , Akihiro Kondo a , Masao Ohno...Planetary Science, University of Tokyo, Tokyo 113-0033, Japan Graduate School of Social and Cultural Studies,... Kyushu University, Fukuoka 810-8560, Japan Received 22 October 2002; received in revised form 27 February...determination with volcanic rocks of Izu-Oshima and Fuji Volcano, Japan. Samples used for the present study were...and 1950, and Aokigahara lava flow derived from Fuji Volcano in AD 864. Demagnetization and several rock |  | | Book (volume) | | STRATIGRAPHY AND TECTONICS OF JAPAN QE 304 . A14 1992 v. 2 Geological Survey of Japan 1992 Digitized by the...AND TECTONICS OF JAPAN Geological Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan 1992 e V V 29ih...Tectonics of Japan Editors: Hirokazu Kato and Harufumi Noro Geological Survey of Japan 1-1-3 Higashi...Higashi, Tsukuba 305, Japan Technical Editors Technical Reviewer: Hirokazu Hase, Hirokazu Kato, Yoshihiro...Survey of Japan 1-1-3 Higashi, Tsukuba 305, Japan Copyright Holder: Geological Survey of Japan 1992 Printed |  | | Journal (article/letter/editorial) | | clinopyroxene relative to orthopyroxene and/or magnetite. Although the phase relations and proportions...Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan M. Hamada (&) Institute for Geothermal Sciences...Kyoto University, Noguchibaru, Beppu 874-0903, Japan e-mail: hamada@bep.vgs.kyoto-u.ac.jp Introduction...to reproduce tholeiitic trends. In the northeast Japan arc, tholeiitic and calc-alkaline magmas are coexisting...judged from the coexistence of quartz + fayalite + magnetite + liquid H2O in the buffering capsule after all |  | | Journal (article/letter/editorial) | | large REM values. Laboratory experiments with magnetite and titanomagnetite (Hartstra, 1983; Lewis, 1968)...Titanomagnetite experiments Basaltic lava flow Xenoliths (Japan) Xenoliths (Aleutian) REM 4.6 to 15 7.0 to 13 7...to 8 Wasilewski (1977a) Wasilewski (1977a) Mount Fuji tree mold Titanomagnetite Metallic Fe 19 to28...the geomagnetic field. Xenolith suites from the Japan and the Aleutian arcs, which are assumed to have...of (0.6 to 8) x I k 3 (Wasilewski, 1977a). The Mount Fuji tree mold sample set is particularly instructive |  | | Journal (article/letter/editorial) | | part of a dark mesostasis containing skeletal magnetite crystals. In thick flows, the Si-rich liquid may...the Ferich one to aggregates of hedenbergite, magnetite, and accessory phases. The mesostases containing...ferric iron promotes early crystallization of magnetite and prevents the iron enrichment necessary to...crystalline and consist of hedenbergitic pyroxene, magnetite, and accessory phases. Spheres are typically less...thickness section, especially when they contain magnetite or ilmenite, can contribute to the general opacity |  | | Journal (article/letter/editorial) | | Eruptive Stage of Hokkaido-Komagatake Volcano, Japan Ryo Takahashi1* and Mitsuhiro Nakagawa2 1 Geological...Organization, N19 W12, Kita-Ku, Sapporo, 060-0819, Japan and 2Department of Natural History Sciences, Faculty...University, N10 W8, Kita-Ku, Sapporo, 060-0810, Japan *Corresponding author. Telephone: þ81-11-747-2420...Gardner et al. (1995) for Mount St. Helens, USA; Pallister et al. (1996) for Mount Pinatubo, Philippines;...(1997) for Mount Rainier, USA; Takeuchi & Nakamura (2001) for Hokkaido-Komagatake volcano, Japan; Nakagawa |  | | Book | | '"'~-,., Large crystal of plagioc/ase feldspar Mount Rushmore, USA buttresses after the cover of country...country rock has eroded. Tregastel, France, and Mount Rushmore, USA, are examples. Granite is a mix of...the most violent Mount Fuji,~Japan ~ n QI ::s n .... The core of Mount Fuji is composed of andesite...ii produced 2,500 times as much ash as Mount St I-le/ens. Mount Tambora, Indonesia, 1815 The larges/ eruption... it caused a yearlong winter around the world. Mount Pinatubo, Philippines, 1991 Second-biggest eruption |  | | | | months of earthquakes and ventings, Washington’s Mount St. Helens exploded with the force of twentyfive...on its chemistry, lava can either explode, as at Mount St. Helens, or flow like molasses, as on the island...materi als called pyroclasts lie on the slopes of Mount Vesuvius, a volcano that has erupted more than...western hemisphere. Like Mount Fuji and such Cascade Range peaks as Mount St. Helens, it is a towering...The ash cloud produced by the 1980 eruption of Mount St. Helens brought darkness at noon to areas more |  | | Book | | months of earthquakes and ventings, Washington's Mount St. Helens exploded with the force of twentyfive...on its chemistry, lava can either explode, as at Mount St. Helens, or flow like molasses, as on the island...materials called pyroclasts lie on the slopes af Mount Vesuvius, a volcano that has erupted more than twenty...the western hemisphere. Like Mount Fuji and such Cascade Range peaks as Mount St. Helens, it is a towering...usually quartz or calcite, but also aragonite, magnetite, barite, and chalcopyrite. Many thousands of years |  | Nabelek, Ladislav, Mazanec, Martin, Kdyr, Simon, Kletetschka, Gunther (2015) Magnetic, in situ, mineral characterization of Chelyabinsk meteorite thin section. Meteoritics & Planetary Science, 50 (6) 1112-1121 doi:10.1111/maps.12448 | Journal (article/letter/editorial) | | Fe-rich Co-free phases (Fe, pyrite, pyrhotite, magnetite, hematite, vffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi...acquisition and magnetic interaction of hematite and magnetite. Physics of the Earth and Planetary Interiors...2000. Magnetic characterization of reduction in Mount Fuji 1121 basaltic tree-mold. Geophysical Research |  | | Book | | Naotatsu Shikazono (deceased) Keio University Tokyo, Japan Dr. James Wilkinson, colleague and longtime friend...arranged with University of Tokyo Press through Japan UNI Agency, Inc., Tokyo ISBN 978-4-431-54903-1 ISBN...Congress Control Number: 2014936099 © Springer Japan 2015 This work is subject to copyright. All rights...University, Yamagata University, Kyoto University, Shizuoka University, Tsukuba vii www.ebook3000.com viii...professors T. Tatsumi, of the University of Tokyo, T. Fuji of Tsukuba University, A. Tsusue of Kumamoto University |  | | Journal (issue) | | our group (mostly in veins) included chromite, magnetite, to (subject hetaerolite hematite, confirmation)...from the sea. It was suggested that St Michael's Mount was a trad ing post for the Phoenicians in Cornwa...Journal 160 - July/Aug 1999 The Natural Hazards of Japan. Earthq uakes and Volcan oes. Pam Fielding. March...w�en are likely to occur. rs disaste l natura Japan is an Island Arc which has grown upwards from the...Kobe, in the southern part of the main island of Japan, lies close to where the three plates meet and the |  | | Book | | INDIA PVT. LTD., New Delhi PRENTICE-HALL OF JAPAN, INC., Tokyo Current printing (last digit): 109876543...nonsilicates Diamond and Graphite. Iron. Halite. Magnetite. vii Calcite 43 and Aragonite. Pyrite. 4...chemistry 28 1204 N) WT Perfect cross section Magnetite yo9}2° Ficure 1-16 undistorted John Ficure...crystals displaying four sets of pina- coids. magnetite, Fe304, and halite, NaCl respectively. Figure...demonstrated in the Abukuma Plateau, northeastern Japan. Pyrite is particularly abundant in mudstones rich |  | | Book | | minerals have the appearance of metal - galena, magnetite, pyrite and graphite are examples. This appearance...electrical charge. Of the common minerals, only magnetite wilJ react to a magnet. Acid tests Reaction to...gold) Strongly magnetic. May have rusty surface Magnetite (magnetic iron ore) reddish-brown; dark brown-black;...same area. Contrast this photograph with that of Mount Fuji below. This mountain is considered to be a perfect...typical volcano. No activity has been recorded in Mount Fuji since 1707. As a result geologists say that it | | | Book | | minerals have the appear- ance cf metal — galena, magnetite, pyrite and graphite are examples. This appearance...electrical charge. Of the common minerals, only magnetite will react to a magnet. weight of mineral in...rusty surface Pyrite (iron pyrites; fools gold) Magnetite (magnetic \ pale green | green with yellow...photograph This mountain with that of Mount is considered Fuji to be a perfect example of the final...typical volcano. No activity has been recorded in Mount Fuji since 1707. As a result geologists say that it |  | | Report (issue) | | partial low-temperature oxidation of primary magnetite forming small particles of high coercive force...the reversed induction field adjacent to large magnetite particles and the subsequent demagnetization of...metamorphosed graywacke and slate and probably by magnetite-bearing quartzite, all associated with the troughs...anomalies are caused by basic intrusives and magnetite-bearing slates and schists. Authors' Abstract...observatories in the U. S. S. B., Spain, United States, and Japan. In most, the agreement between constructed graphs |  | | Book | | volcanism that occurs in the Hawaiian Islands or at Mount St. Helens. The mineral world Rather, it was...magnetic. Magnetite (Fe^O^) was named on the basis of its strong magnetism. This variety of magnetite, which... Plate 12. Thin section of a specimen from the Mount Airy pfranodiorite from North Carolina. As noted...Dietrich) Plate 21. Highly explosive eruptions of Mount St. Helens in Oregon, in 1980, devastated the landscape...Muscovite Garnets Amphiboles Chlorite (4) Hematite Magnetite Pyrite Limonite Epidote Notes: Mineral names |  | | Report (issue) | | A. S., and Reiser, H. N., 1959, Geology of the Mount Katmai area, Alaska: U.S. Geol. Survey Bull. 1058-G...moved 4 miles down Ladd Creek from the slopes of Mount Hood on September 1, 1961 (Birch, 1963). East from...cherty limestone, dolomite, mudstone, and chert, and Mount"ain-Jones Hole area and as far east as Cross reddish-brown...reddish brown, and rimmed with aggregates of magnetite. Apatite is B _____________ 130 100 <30 <30 <30...The rocks are gray,l porphyritic, and slightly magnetite. The' groundmass has a pronounced trachyvesicular |  | | Book (edition) | | background image is an early interpretation of Mount Mazama during the climactic eruption, from a painting...Calderas 24 Additional Reading Chapter 3 26 Before Mount Mazama.............. aT A New Model 28 Oregon Geology...Chapter 4 Building Mount Mazama............. 41 The High Cascade Volcanoes 42 Mount Mazama 45 Glaciation... Chapter 5 Final Events at Mount Mazama......... 61 Final Activities at Mount Mazama 63 Dome Emplacement...73 Additional Reading 75 Chapter 6 Last Days at Mount Mazama.......... 77 Air-Fall and Ash Flows 79 The |  | | Book | | panning stream sediments, gold and other heavy magnetite, minerals garnets, such as cassiterite diamonds... Many ore bodies are formed in this way, the magnetite deposits of the Iron Springs district in Utah...right elements are present, ore minerals like magnetite, ilmenite or platinum will also crystallize from...Smokes in Alaska the fumaroles have deposits of magnetite, haematite, pyrite, galena, sphalerite, molybdenite...three named properties. Magnetic minerals like magnetite and pyrrhotite, when held near a compass, will | | | Book | | heavy minerals such as cassiterite or stream tin, magnetite, garnets, diamonds and other gems can be separated... Many ore bodies are formed in this way, the magnetite deposits of the Iron Springs district in Utah...right elements are present, ore minerals like magnetite, ilmenite or platinum will also crystallize from...Smokes in Alaska the fumaroles have deposits of magnetite, haematite, pyrite, galena, sphalerite, molybdenite...three named properties. Magnetic minerals like magnetite and pyrrhotite, when held near a compass, will |  | Box, Stephen E., Karl, Susan M., Jones, James V., Bradley, Dwight C., Haeussler, Peter J., O’Sullivan, Paul B. (2019) Detrital zircon geochronology along a structural transect across the Kahiltna assemblage in the western Alaska Range: Implications for emplacement of the Alexander-Wrangellia-Peninsular terrane against North America. Geosphere, 15. 1774-1808 doi:10.1130/ges02060.1 | Journal (article/letter/editorial) | | island arc beneath the Japan Trench–Nankai Trough on the east side of central Japan. ■■ INTRODUCTION The...a potential modern tectonic analogue in central Japan. To better understand the development and deformation...titanite grains were analyzed from a separate standard mount as a secondary standard. Data reduction followed...Izu-BoninMarianas Arc with Honshu Arc of Central at ca. 97 Ma. Japan After ca. 97 Ma, normal oceanic plate subduction...cenWrangellia- Peninsular terrane records active tral Japan (Fig. 17; Draut and Clift, 2013). Unlike the GEOSPHERE |
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