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AREAL AND VERTICAL VARIATION OF HEAVY MINERAL COMPOSITION OF THE SURFACE SEDIMENTS, ROSS SEA, ANTARCTICA
https://doi.org/10.15094/00002829
https://doi.org/10.15094/000028295a7571fc-2ff5-4cf4-b110-cb7b3103bcc5
名前 / ファイル | ライセンス | アクション |
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KJ00002409876 (1.6 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1996-09-01 | |||||
タイトル | ||||||
タイトル | AREAL AND VERTICAL VARIATION OF HEAVY MINERAL COMPOSITION OF THE SURFACE SEDIMENTS, ROSS SEA, ANTARCTICA | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Antarctica | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Ross Sea | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | glacial marine sediments | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heavy mineral analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ice-raft | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00002829 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | AREAL AND VERTICAL VARIATION OF HEAVY MINERAL COMPOSITION OF THE SURFACE SEDIMENTS, ROSS SEA, ANTARCTICA | |||||
著者名よみ |
トクハシ, シュウイチ
× トクハシ, シュウイチ× / ニシムラ, アキラ |
|||||
著者名(英) |
TOKUHASHI, Shuichi
× TOKUHASHI, Shuichi× AGYINGI, Christopher M.× NISHIMURA, Akira |
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著者所属(英) | ||||||
en | ||||||
Geological Survey of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
Guest Researcher (Former STA Fellow) at Geological Survey of Japan:(Present address) c_o Richard AGYINGI, SO. CA. | ||||||
著者所属(英) | ||||||
en | ||||||
Geological Survey of Japan | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper are shown the results of heavy mineral analysis of ice-rafted sand fractions of muddy sediments from several gravity cores around the Ross Sea collected during the TH91 and TH92 Antarctic research cruises by the Technology Research Center, Japan National Oil Corporation, using the R/V HAKUREI-MARU. Samples for the analysis were collected from two levels of the cores, i.e. late Holocene S-group samples in the upper part and last glacial to early Holocene D-group samples in the lower part of the cores. Both the S-group and D-group samples are comprised of the same kinds of heavy minerals and show the nearly completely same distribution patterns of the frequency of those minerals. These patterns suggest the existence of at least two petrographic provinces, i.e. western and central-eastern areas, which must reflect the difference of the provenances of East Antarctica and West Antarctica. Especially, olivine and clinopyroxene with titanaugite, dominantly distributed in the western area, were probably supplied from the late Quaternary McMurdo alkaline basaltic volcanics fringing the eastern margin of the Victoria Land. The strong similarity of the distribution pattern of heavy mineral composition between the S-group and D-group samples suggests the long-term stability of flow patterns of icebergs in the Ross Sea. Such stability must be controlled by the submarine topography in the Ross Sea, which plays the most important role in the Ross Sea, controlling not only the types of sediments, but also the flow patterns of icebergs. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1072335X | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Geosciences 巻 9, p. 127-140, 発行日 1996-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |