From bottom up came potteries of Aokibatake-style (青木畑式土器) in the early Yayoi period, Sakiyama-style in the middle of the Middle Yayoi period and Masugata-style in the end of the Middle Yayoi period.
下から順に、弥生時代前期の青木畑式土器、中期中葉の崎山式土器、中期末の枡形囲式土器が出土した。