五島列島・対島の中新世花崗岩類の古地磁気学的研究

島根大学理学部紀要 Volume 14 Page 85-93 published_at 1980-12-20
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Title
五島列島・対島の中新世花崗岩類の古地磁気学的研究
Title
Paleomagnetic Study of Miocene Granitic Rocks in the Goto Islands and Tsushima
Title Transcription
ゴトウ レットウ ツシマ ノ チュウシンセイ カコウガン ルイ ノ コチジキガクテキ ケンキュウ
Creator
Ito Haruaki
Tokieda Katsuyasu
Source Title
島根大学理学部紀要
Memoirs of the Faculty of Science, Shimane University
Volume 14
Start Page 85
End Page 93
Journal Identifire
ISSN 03879925
Descriptions
Miocene granitic rocks are exposed in the Goto Islands and Tsushima. Two bodies of granitic rocks with both normal and reversed NRM directions in the same mass were found in Hisaka-jima and Tsushima. Directions of the NRM of Goto and Tsushima granitic rocks are significantly consistent with each other, and it is concluded that the consistency in NRM directions demonstrates the contemporaneity of plutonic activity in both the regions. The VGP positions obtained from intermediate polarity directions were situated in the Southern Pacific Ocean without one site in the Goto Islands.
Language
eng
Resource Type departmental bulletin paper
Publisher
島根大学理学部
The Faculty of Science, Shimane University
Date of Issued 1980-12-20
Access Rights open access
Relation
[NCID] AN00108106