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Hydrothermal alteration of deep borehole samples around the Hakone volcano
Fujimoto, Koichiro +2 more
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White globules in the Makuyama lava dome, Hakone volcano, central Japan
application/pdf White globules of highly silicic composition occur in the alternating bands of dacite and rhyolite making up of the Makuyama lava dome, one of the parasitic volcanoes of the Quaternary Hakone volcanic complex. The white globules show a sharp outline and consist dominantly of fine grained feldspar and tridymite.
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On 29 June 2015, a small phreatic eruption occurred at Hakone volcano, Central Japan, forming several vents in the Owakudani geothermal area on the northern slope of the central cones. Intense earthquake swarm activity and geodetic signals corresponding to the 2015 eruption were also observed within the Hakone caldera.
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On a Pigconite-Quartz-Diorite Block ejected from Hakone Volcano
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Fossil diatoms from the fine-grained tuffaceous sediment in Hakone Volcano
Haga, Masakazu +2 more
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“Kintoki-san-Makuyama Line” A Tektonik Line traversing Hakone Volcano
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Calc alkali rocks derived from tholeiite magma in Hakone volcano
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Preliminary report on a Gravimetric Survey on Volcano Hakone, Japan
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PETROLOGY OF HAKONE VOLCANO AND THE ADJACENT AREAS, JAPAN
Bulletin of the Geological Society of America, 1950Rocks of Hakone volcano and adjacent areas cover a wide range from basalt to dacite approximate to soda-rhyolite. They were erupted from various different centers during the period from older Miocene to Recent. Two different rock series are recognized, one characterized by the occurrence of monoclinic-pyroxene (a solid solution series from augite to ...
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