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Friday, May 8, 2020 | History

3 edition of orbicular rock in andesite from Akagi Volcano, Japan found in the catalog.

orbicular rock in andesite from Akagi Volcano, Japan

Haku Koide

orbicular rock in andesite from Akagi Volcano, Japan

by Haku Koide

  • 340 Want to read
  • 22 Currently reading

Published by Geological Survey of Japan in Kawasaki-shi, Japan .
Written in English

    Places:
  • Japan,
  • Akagi Mountain.
    • Subjects:
    • Andesite -- Inclusions -- Japan -- Akagi Mountain.

    • Edition Notes

      Statementby Haku Koide.
      SeriesReport / Geological Survey of Japan ;, no. 139, Report (Chishitsu Chōsajo (Japan)) ;, no. 139.
      Classifications
      LC ClassificationsQE304 .C54a no. 139, QE462.A5 .C54a no. 139
      The Physical Object
      Pagination18 p., 6 p. of plates :
      Number of Pages18
      ID Numbers
      Open LibraryOL3886378M
      LC Control Number81214572

      The Linked Data Service provides access to commonly found standards and vocabularies promulgated by the Library of Congress. This includes data values and the controlled vocabularies that house them. Datasets available include LCSH, BIBFRAME, LC Name Authorities, LC Classification, MARC codes, PREMIS vocabularies, ISO language codes, and more. Andesite is a gray to black volcanic rock with between about 52 and 63 weight percent silica (SiO2). Andesites are typical for lava domes and stratovolcanoes. Andesite is an igneous, volcanic rock, of intermediate composition, containing between about 52 and 63 weight % silica (SiO2).

      Akagi Volcano, Honshu (Japan) - facts & information / VolcanoDiscovery / VolcanoDiscovery Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world. Akagi volcano. stratovolcano m / 5, ft, Honshu, Japan. This page was last edited on 7 November , at Files are available under licenses specified on their description page. All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.

      This is a list of active and extinct volcanoes in Japan. Orange background indicates a volcano considered active by the Japan Meteorological Agency. Map all coordinates using: OpenStreetMap. Andesite is a gray to black volcanic rock with between about 52 and 63 weight percent silica (SiO2). Andesites contain crystals composed primarily of plagioclase feldspar and one or more of the minerals pyroxene (clinopyroxene and orthopyroxene) and lesser amounts of hornblende. At the lower end of the silica range, andesite lava may also contain olivine.


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Orbicular rock in andesite from Akagi Volcano, Japan by Haku Koide Download PDF EPUB FB2

Reference: Koide, H. () An orbicular rock in andesite from Akagi volcano, Japan. Report 3Geological Survey of Japan. Report 3Geological Survey of Japan.

List of minerals arranged by Strunz 10th Edition classification. Reference: Koide, H. () An orbicular rock in andesite from Akagi volcano, Japan. Report 3Geological Survey of Japan. Major and trace element, and Sr, Nd and Pb isotopic compositions were determined for whole-rock samples from the ‘isotopically anomalous’ Akagi volcano in the volcanic front of the NE Japan arc.

Sr and Nd isotopic compositions of phenocrysts were also analyzed together with their major and trace element by: Koide, H. () An orbicular rock in andesite from Akagi volcano, Japan. Report 3Geological Survey of Japan. Akagi volcano located at this region yields volcanic rocks with combined Sr‐O isotope relationships which are explained in terms of the mixing of the mantle material from the mantle wedge and deep ocean and/or continent derived sediments conveyed with the subducting Philippine Sea by: 9.

Compared with the other volcanoes from the volcanic front, the whole-rock isotope compositions of Akagi show highly enriched characteristics; 87Sr/86Sr =εNd = to -and. The broad, low dominantly andesitic Akagisan volcano rises above the northern end of the Kanto Plain.

It contains an elliptical, 3 x 4 km summit caldera with post-caldera lava domes arranged along a NW-SE line. Lake Ono is located at the NE end of the caldera. An orbicular rock in andesite from Akagi Volcano stratovolcano was partially destroyed by edifice collapse, producing a debris-avalanche deposit along the south flank.

Daisen volcano, SW Japan, is made up mostly of andesite and dacite. Basaltic rocks also occur; however, the volcanic association is clearly bimodal with a SiO 2 gap of ∼8 wt % between the basalts and andesites (Tamura et al., ). Many Daisen andesites are aphyric, contrasting sharply with associated dacites that contain 30–40% by: Akagi volcano is a broad stratovolcano located in central Honshu, km NNW of Tokyo.

It is part of the Akagi Prefectural Par. The volcano contains a 3 x 4 km diameter summit caldera which contains lake Ono in the NE.

It is uncertain whether the volcano has erupted in the past years. title = "Geochemical evolution of Akagi volcano, NE Japan: Implications for interaction between Island-arc magma and lower crust, and generation of isotopically various magmas", abstract = "Major and trace element, and Sr, Nd and Pb isotopic compositions were determined for whole-rock samples from the 'isotopically anomalous' Akagi volcano in Cited by: Koide, H.

() An orbicular rock in andesite from Akagi volcano, Japan. Report 3Geological Survey of Japan. Data: Mineral Data: Click here to view Hypersthene data: Locality Data: Click here to view Gorogasawa, Akagi volcano, Kiryu City, Gunma Prefecture, Japan. Akagi Volcano, Honshu (Japan) - facts & information / VolcanoDiscovery / VolcanoDiscovery Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably.

The book presents guidelines to visiting 42 different volcanoes around the world. Akagi volcano eruptions. stratovolcano m / 5, ft. Media in category "Basaltic andesite volcanoes in Japan" This category contains only the following file.

Kusatsu-Shiranesan01s5sjpg 4, × 2,; MB. Basaltic andesite volcanoes in Japan‎ (54 C, 1 F) Basaltic trachyandesite volcanoes in Japan ‎ (1 C) Trachyandesite volcanoes in Japan ‎ (2 C, 1 F). CDetermined by ED {energy dispersive) -XRF. dData from Notsu (). TABLE 3 Analytical results of volcanic rocks from various volcanoes in central Japan No2 Name of Sample number Rock type Rb volcano (ppm) Sr (ppm) STRb/s6Sr 87Sr/SGSr 5 ShirS-dake SA Andesite 67 6 Akayasu TA3 Andesite 73 7 Hiuchi-dake HIU02 Andesite 67 Cited by:   Calculated magma eruption rates show various patterns, and they differ widely between volcanoes and durations.

The eruption rate of Sakurajima, the most active volcano in Japan, is 1–10 km 3 DRE/ years, a typical value for long-term eruptions of basaltic to andesitic volcanoes in the world (White et al. ).On the other hand, at certain durations its eruption rates are as small as 10 Cited by: 2.

The Sr isotope ratios of the samples of Adatara volcano follow the general tendency of the along- arc variation in the NVZ; 87Sr/86Sr ratios are con- stant in a practical sense, ranging from to in the volcanoes north of 38 in latitude, whereas the ratios are significantly higher thanwith maximum value at Akagi volcano, in Cited by: Earth and Planetary Science Letters, 82 () Elsevier Science Publishers B.V., Amsterdam - Printed in The Netherlands [3] The evolution of andesite volcano structures: new evidence from gravity studies in Costa Rica G.C.

Brown, H. Rymer and R.S. Thorpe Department of Earth Sciences, The Open Uniuersity, Walton Hall, Milton Keynes, MK7 6AA (England) Received J ; revised Cited by: In the Northeast Japan arc, a number of Quaternary volcanoes form a long, narrow belt, parallel to the Japan Trench.

87 Sr/ 86 Sr ratios were determined in 52 specimens of volcanic rocks from 27 volcanoes in the Northeast Japan arc area.

The results reveal that the ratios change systematically in by: Mount Kirishima (霧島山, Kirishimayama) is a meter high active volcano group in Kagoshima Prefecture and Miyazaki Prefecture, Kyushu, us eruptions have been recorded since Very strong eruptions happened inand [citation needed] Augite-hypersthene andesite is the dominant rock highest peak is Karakuni-dake (韓国岳, Karakunidake) ( m Peak: Karakuni-dake.

The Hakkōda Mountains (八甲田山系, Hakkōda-sankei) is a volcanic complex that lies to the south of Aomori City in Aomori Prefecture, range consists of more than a dozen stratovolcanoes and lava domes arranged into two volcanic groups.

The Northern Hakkōda Volcanic Group emerges from the rim of an 8-km wide caldera that dates back to the y: Japan.Andesite outcrop: Close view of an andesite lava flow at Brokeoff Volcano in California. Photo by the United States Geological Survey.

Hornblende Andesite Porphyry: A specimen of andesite with large visible hornblende phenocrysts. This type of rock could be called an "andesite porphyry" because of .Soc. Japan Vol. 58 () No. 4, pp. The ka Andesitic Explosive Eruption at Usu Volcano, Hokkaido, Japan Yoshihiko GOTO *, Yuko SEKIGUCHI*, Satomi TAKAHASHI*, Hayuru ITO* and Tohru DANHARA** (Received August 8, ; Accepted Octo ) Mount Usu is a Quaternary composite volcano located in southwestern Hokkaido.