Characteristics of Authigenic Pyrite and its Sulfur Isotopes Influenced by Methane Seep--Taking the Core A at Site 79 of the Middle Okinawa Trough as an Example

查看全文 作　　者：WANG [1,2]Meng;LI [1,3]Qing;CAI [1,3]Feng;LIANG [1,3]Jie;YAN [1,3]Guijing;DONG [1,3]Gang;WANG [1,3]Feng;SHAO [4]Hebin;LUO [1,3]Di;CAO [5]Yimin 机构地区：[1]State Key Laboratory of Gas Hydrates, Ministry of Land Resource, Qingdao 266071, Shandong, China;[2]Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, Hubei, China;[3]Function Laboratory of Marine Geo-Resource Evaluation and Exploration Technology, Qingdao 266071,Shandong, China;[4]School of Ocean and Earth Science, Tongji University, Shanghai 200092, China;[5]Petro China Coalbed Methane Company Limited, Beijing 100028, China 出　　处：《Acta Geologica Sinica(English Edition)》索引2017年第91卷第1期,共2页 基　　金：supported by the National Natural Science Foundation of China (grants No.41306062 and 41474119);the Key Laboratory of Gas Hydrate Foundation (grant No.SHW[2014]-DX-04) 摘　　要：Objective Authigenic pyrite often develops extensively in marine sediments,which is an important product of sulfate reduction in an anoxic environment.It has a specific appearance and complicated sulfur isotopic properties,and acts as important evidence of methane seep in marine sediments.Strong AOM(anaerobic oxidation of methane) 关 键 词：硫酸盐还原 同位素特征 甲烷渗漏 冲绳海槽 黄铁矿 海洋沉积物 岩心 厌氧氧化