Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough

doi:10.1029/2019GL083749

GSTDTAP > 气候变化

DOI	10.1029/2019GL083749
	Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough
	Ishizu, K.1; Goto, T.1,2; Ohta, Y.1; Kasaya, T.3; Iwamoto, H.3,4; Vachiratienchai, C.5; Siripunvaraporn, W.6,7; Tsuji, T.8; Kumagai, H.3; Koike, K.1
	2019-10-21
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
EISSN	1944-8007
出版年	2019
文章类型	Article;Early Access
语种	英语
国家	Japan; Thailand
英文摘要	Although seafloor massive sulfide (SMS) deposits are crucially important metal resources that contain high-grade metals such as copper, lead, and zinc, their internal structures and generation mechanisms remain unclear. This study obtained detailed near-seafloor images of electrical resistivity in a hydrothermal field off Okinawa, southwestern Japan, using deep-towed marine electrical resistivity tomography. The image clarified a semi-layered resistivity structure, interpreted as SMS deposits exposed on the seafloor, and another deep-seated SMS layer at about 40-m depth below the seafloor. The images reinforce our inference of a new mechanism of SMS evolution: Upwelling hydrothermal fluid is trapped under less-permeable cap rock. The deeper embedded SMS accumulates there. Then hydrothermal fluids expelled on the seafloor form exposed SMS deposits.
领域	气候变化
收录类别	SCI-E
WOS记录号	WOS:000491848100001
WOS关键词	INDUCED POLARIZATION RESPONSE ; IHEYA-NORTH-KNOLL ; HYDROTHERMAL FIELD ; METALLIC PARTICLES ; POROUS-MEDIA ; 1D INVERSION ; METHANE ; ARC ; SENSITIVITY ; CHEMISTRY
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/187735
专题	气候变化
作者单位	1.Kyoto Univ, Dept Urban Management, Kyoto, Japan; 2.Univ Hyogo, Grad Sch Life Sci, Kobe, Hyogo, Japan; 3.Japan Agcy Marine Earth Sci & Technol JAMSTEC, Yokosuka, Kanagawa, Japan; 4.Nippon Marine Enterprises Ltd, Yokosuka, Kanagawa, Japan; 5.Curl E Geophys Co Ltd, Bangkok, Thailand; 6.Mahidol Univ, Fac Sci, Dept Phys, Bangkok, Thailand; 7.Commiss Higher Educ, ThEP Ctr, Bangkok, Thailand; 8.Kyushu Univ, Dept Earth Resources Engn, Fukuoka, Fukuoka, Japan
推荐引用方式 GB/T 7714	Ishizu, K.,Goto, T.,Ohta, Y.,et al. Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough[J]. GEOPHYSICAL RESEARCH LETTERS,2019.
APA	Ishizu, K..,Goto, T..,Ohta, Y..,Kasaya, T..,Iwamoto, H..,...&Koike, K..(2019).Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough.GEOPHYSICAL RESEARCH LETTERS.
MLA	Ishizu, K.,et al."Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough".GEOPHYSICAL RESEARCH LETTERS (2019).