Provenance study of rocks used in stone chamber of Myotokujiyama tumulus, Yamaguchi prefecture, Japan and its archaeological significance

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  • 山口県妙徳寺山古墳の石槨に使われた岩石の産地分析とその考古学的意義
  • ヤマグチケン ミョウトクジヤマ コフン ノ セッカク ニ ツカワレタ ガンセキ ノ サンチ ブンセキ ト ソノ コウコガクテキ イギ

Abstract

The Myotokujiyama tumulus in San'yo-cho, Asa-gun, Yamaguchi prefecture, Japan characteristically represents the early phase of the Kofun period, the late 4th century through the mid 5th century A.D. It has a pit-style stone chamber whose roof and side walls are made of alkaline olivine basalt lavas (up to 0.5 tons). The provenance of the rocks in question have been identified by petrology, petrochemistry. K-Ar ages and Sr-Nd isotopic ratios…

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