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この文献の参照には次のURLをご利用ください : https://doi.org/10.24568/6268
島根大学地質学研究報告 Volume 5
published_at 1986-06-30
松江市南方に産出する中新世火道の記載
Volcanic vent of the Miocene andesite in south of Matsue City
Inoue Tatsuo
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Descriptions
The purpose of this report is to describe a newly discovered volcanic vent. The vent crupted in unconsolidiated gravel layer in Early Miocene time. It is surrounded by Paleogene biotite granite, and is filled with andesite lapilli tuffs and lava blocks, fragments of granite derived from the vent wall, and a small quantity of pebbles. The structure which is pipe-shaped is oval in plane a, nd its major diameter of about 240m is
oriented north-south.
oriented north-south.
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