姶良Tn火山灰 (AT) の14C年代
1987 年 26 巻 1 号 p. 79-83
詳細
1987 年 26 巻 1 号 p. 79-83
The ages of peaty mud samples including the Aira-Tn ashes (AT) that were identified from refractive indices and chemical compositions were determined precisely with radiocarbon dating using the benzene-liquid scintillation method. The eruption age of AT was found to be 24, 720±290y.B.P.
