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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy >
Vol.XXI, No.2 >
The Iwanai Nappe in the Kamuikotan Tectonic Belt, Sothern Hokkaido, Japan
| Title: | The Iwanai Nappe in the Kamuikotan Tectonic Belt, Sothern Hokkaido, Japan |
| Authors: | Jolivet, Laurent Browse this author | | Cadet, Jean-Paul Browse this author |
| Issue Date: | Sep-1984 |
| Publisher: | 北海道大学 |
| Journal Title: | 北海道大学理学部紀要 |
| Journal Title(alt): | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy |
| Volume: | 21 |
| Issue: | 2 |
| Start Page: | 293 |
| End Page: | 304 |
| Abstract: | The Sarugawa ultramafic mass is interpreted as a nappe here called the "Iwanai Nappe", resting, with its sedimentary cover, on a unit reworking ophiolitic rocks and Cretaceous Yezo deposits. The Iwanai Nappe has been emplaced toward the south-west from an area situated east of the "Yezo Syncline". The age of movement is inferred to be Eocene, contemporaneous with the beginning of the strike-slip movement in Hidaka belt. This structure is a good explanation for the Lower Cretaceous facies distribution in the concerned area. |
| Type: | bulletin (article) |
| URI: | http://hdl.handle.net/2115/36731 |
| Appears in Collections: | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy > Vol.XXI, No.2
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