Discovery of extremely REY-rich mud in the western North Pacific Ocean

被引：77

作者：

Iijima, Koichi ^{[1
]}

Yasukawa, Kazutaka ^{[2
,3
]}

Fujinaga, Koichiro ^{[3
,4
]}

Nakamura, Kentaro ^{[2
]}

Machida, Shiki ^{[1
]}

Takaya, Yutaro ^{[5
]}

Ohta, Junichiro ^{[6
]}

Haraguchi, Satoru ^{[6
]}

Nishio, Yoshiro ^{[7
]}

Usui, Yoichi ^{[1
]}

Nozaki, Tatsuo ^{[1
,4
,8
]}

Yamazaki, Toshitsugu ^{[9
,10
]}

Ichiyama, Yuji ^{[11
]}

Ijiri, Akira ^{[1
,12
]}

Inagaki, Fumio ^{[1
,12
]}

Machiyama, Hideaki ^{[1
]}

Suzuki, Katsuhiko ^{[1
]}

Kato, Yasuhiro ^{[1
,2
,3
,4
]}

机构：

[1] Japan Agcy Marine Earth Sci & Technol, Res & Dev Ctr Submarine Resources, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan

[2] Univ Tokyo, Sch Engn, Dept Syst Innovat, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[3] Chiba Inst Technol, Ocean Resources Res Ctr Next Generat, 2-17-1 Tsudanuma, Narashino, Chiba 2750016, Japan

[4] Univ Tokyo, Sch Engn, Frontier Res Ctr Energy & Resources, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[5] Waseda Univ, Sch Creat Sci & Engn, Dept Resources & Environm Engn, Shinjyuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan

[6] JAMSTEC, Dept Solid Earth Geochem, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan

[7] Kochi Univ, Fac Agr & Marine Sci, Dept Marine Resource Sci, 200 Monobe Otsu, Nankoku, Kochi 7838502, Japan

[8] Kobe Univ, Grad Sch Sci, Dept Planetol, Nada Ku, 1-1 Rokkodai Cho, Kobe, Hyogo 6578501, Japan

[9] Univ Tokyo, Atmosphere & Ocean Res Inst, Dept Ocean Floor Geosci, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778564, Japan

[10] Natl Inst Adv Ind Sci & Technol, Geol Survey Japan, 1-1-1 Higashi, Tsukuba, Ibaraki 3058561, Japan

[11] Chiba Univ, Fac Sci, Dept Earth Sci, Inage Ku, 1-33 Yayoi Cho, Chiba 2638522, Japan

[12] JAMSTEC, Kochi Inst Core Sample Res, 200 Monobe Otsu, Nankoku, Kochi 7838502, Japan

来源：

GEOCHEMICAL JOURNAL | 2016年 / 50卷 / 06期

关键词：

extremely REY-rich mud; rare-earth elements; deep-sea mineral resources; Minamitorishima Island; western North Pacific Ocean; RARE-EARTH-ELEMENTS; DEEP-SEA MUD;

D O I：

10.2343/geochemj.2.0431

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We have discovered deep-sea mud that is extremely enriched in rare-earth elements and yttrium (together called REY) in the Japanese Exclusive Economic Zone around Minamitorishima Island, in the western North Pacific Ocean. The maximum total REY concentration reaches approximately 7000 ppm, which is much higher than that reported for conventional REY deposits on land and other known potential REY resources in the ocean. The extremely REY-rich mud is characterized by abundant phillipsite and biogenic calcium phosphate. In addition, the stratigraphic layer with the highest REY concentration occurs just similar to 3 m beneath the seafloor. The shallow burial of these strata together with the high REY content, especially those of heavy rare-earth elements, suggest that the newly discovered extremely REY-rich mud may be a promising REY resource.

引用

页码：557 / 573

页数：17

共 50 条

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[J]. GEOCHEMICAL JOURNAL, 2018, 52 (04) : 373 - 378
[2] Stratigraphic Variations of Fe-Mn Micronodules and Implications for the Formation of Extremely REY-Rich Mud in the Western North Pacific Ocean
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