@article{oai:sucra.repo.nii.ac.jp:00012281,
 author = {野村, 正弘 and 石川, 博行 and 金子, 稔 and 大平, 寛人 and 松丸, 国照},
 issue = {10},
 journal = {地質學雜誌, Journal of the Geological Society of Japan},
 month = {Oct},
 note = {In the Miocene sediments distributed along the Watarase River, in the northern Kanto Plain, Miogypsina gr. kotoi was discovered from the Miocene marine section of the Yabuzuka Formation at Kanayama Hill, Ota City, Gunma Prefecture, central Japan. Fission track age of 14.9 ± 0.5Ma (1 σ error) was determined for pumice tuff bed interbedded in the marine sequence which represents the age of Miogypsina gr. kotoi., rights: 日本地質学会
rights: 本文データは学協会の許諾に基づきCiNiiから複製したものである
relation: IsVersionOf: http://ci.nii.ac.jp/naid/110003009764/, text, application/pdf},
 pages = {611--614},
 title = {群馬県太田市金山丘陵の中新統からMiogypsinaの発見とそのフィッショントラック年代},
 volume = {109},
 year = {2003}
}