- 航海番号 Number
- KH-18-2
- 船舶名 Vessel
- 白鳳丸 Hakuho-Maru
- 出港 Departure
- 2018/07/13 東京 Tokyo
- 入港 Arrival
- 2018/07/23 鹿児島 Kagoshima
- 海域 Area
- 四国海盆
Shikoku Basin
航海情報 Cruise information
- 航海題目 Title
- 四国海盆下リソスフェアとアセノスフェアの物質的な解明
Toward understanding the lithospheric and asthenospheric characteristics of the Shikoku backarc basin - 研究代表者 Principal Investigator
- 小原 泰彦 (海上保安庁・海洋情報部)
OHARA, Yasuhiko (Hydrographic and Oceanographic Department) - 調査概要 Research Summary
-
1. さつき型ドレッジ(カメラ付きドレッジ)および角型ドレッジによる岩石採取2. マルチビーム測深機、サブボトムプロファイラー、船上三成分磁力計、深海曳航式プロトン磁力計、船上重力計による地球物理マッピング3. XCTD観測
- 取得データ Available Data
- 1. XCTDデータ 2. 岩石サンプル 3. 地形データ 4. 地磁気データ 5. 重力データ 6. サブボトムプロファイラーデータ
- 報告書・出版物 Reports and Publication
- Basch, V., A. Sanfilippo, C. Sani, Y. Ohara, J. Snow, O. Ishizuka, Y. Harigane, K. Michibayashi, A. Sen, N. Akizawa, K. Okino, M. Fujii, H. Yamashita, 2020: Crustal accretion in a slow spreading back-arc basin: Insights from the Mado Megamullion oceanic core complex in the Shikoku Basin. Geochem. Geophy. Geosy.
- Akizawa, N., Y. Ohara, K. Okino, O. Ishizuka, H. Yamashita, S. Machida, A. Sanfilippo, V. Basch, J.E. Snow, A. Sen, K. Hirauchi, K. Michibayashi, Y. Harigane, M. Fujii, H. Asanuma, and T. Hirata, 2021: Geochemical characteristics of back-arc basin lower crust and upper mantle at final spreading stage of Shikoku Basin: an example of Mado Megamullion. Pr. Earth Planet. Sci.
- Hirauchi, K., I. Segawa, Y. Kouketsu, Y. Harigane, Y. Ohara, J. Snow, A. Sen, M. Fujii, and K. Okino, 2021: Alteration processes recorded by back-arc mantle peridotites from oceanic core complexes, Shikoku Basin, Philippine Sea. Isl. Arc
- Sen, A., J.E. Snow, Y. Ohark, K. Hirauchi, Y. Kouketsu, A. Sanfilippo, V. Basch, Y. Harigane, M. Fujii, K. Okino, and N. Akizawa, 2021: Melting and evolution of amphibole-rich back-arc abyssal peridotites at the Mado Megamullion, Shikoku basin. Geochim. Cosmochim. Ac.
- Okino, K., K. Tani, M. Fujii, F. Zhou, O. Ishizuka, Y. Ohara, T. Hanyu, and Y. Matamura, 2023: Geophysical investigation of the Mado Megamullion oceanic core complex: implications for the end of back-arc spreading. Prog. Earth Planet. Sci.
データ情報 Data Information
Contributor: OKINO, Kyoko <okino@aori.u-tokyo.ac.jp>
- Geophysical data were available at PANGAEA: https://doi.org/10.1594/PANGAEA.960003
- Geophysical Data
- Bathymetry data Bathymetry_KH1802.zip (27,127kBytes)
- Magnetics data Magnetics_KH1802.zip (71kBytes)
