File | |
Title |
斐伊川河口ボーリングHB1の花粉分析結果の再検討
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Title |
Reexamination of the pollen analysis of HB 1 core at the mouth of River Hii, Shimane Prefecture, Japan
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Title Transcription |
ヒイカワ カコウ ボーリング HB1 ノ カフン ブンセキ ケッカ ノ サイケントウ
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Creator |
Onishi Ikuo
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Source Title |
島根大学地球資源環境学研究報告
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Volume | 13 |
Start Page | 31 |
End Page | 36 |
Journal Identifire |
ISSN 13439774
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Descriptions |
The results of pollen analyses of HB1(Onishi,1980)are reexamined.
As there are some pollen grains of Carya,Liquidambar and Keteleeria,the lower parts of this core(33.8-34.6 meters in depth)may belong to the Miocene. As there are Lagerstroemia pollen grains,the middle parts(21.0-32.7 meters in depth)are correlated with the upper Pleistocene Yumigahama Formation(Onishi,1977). The upper parts of the core(0.0−20.2 meters in depth)may be correlated with the Holocene Nakaumi Formation.The lower half of this formation is correlated with the Ulmus-Zelkova subzone of Pinus-Abies pollen zone to the Cyclobalanopsis-Quercus subzone of Gramineae pollen zone.Sedimentation rate of this part is estimated to be 1.68mm/y.The upper half is correlated with the Pinus subzone of Gramineae pollen zone. |
Language |
jpn
|
Resource Type | departmental bulletin paper |
Publisher |
島根大学総合理工学部地球資源環境学教室
Department of Geoscience, Interdisciplinary Faculty of Science and Engineering, Shimane University
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Date of Issued | 1994-11-30 |
Publish Type | Version of Record |
Access Rights | open access |
Relation |
[NCID] AA11455176
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Remark | 12-14,16+ / 1993+ |