Late Cenozoic seismic stratigraphy of the Andaman Forearc Basin,Indian Ocean

查看全文 作　　者：Dhananjai [1]K.Pandey;Goli [1]Anitha;Ramesh [1]Prerna;Anju [1]Pandey

机构地区：[1]ESSO-National Centre for Antarctic and Ocean Research,Headland Sada,Vasco da Gama,Goa 403 804,India

出　　处：《Petroleum Science》索引2017年第14卷第4期,共14页

摘　　要：Interpretation of new multichannel seismic reflection data from the Andaman Forearc Basin(AFB) in the northern Indian Ocean is presented here. The highquality multichannel seismic data from the Andaman Forearc region enable us to examine the seismic characters and to demarcate seismic sequences bounded by distinct unconformities. Ages of marked seismic horizons have been calibrated with available litholog data from nearby industry boreholes. Seismic interpretation of new data shows that the AFB is filled with * 4.5-s-two way travel time(TWT) thick Neogene to Recent sediments. The entire basin assemblage exhibits two distinct major sequences pertaining to the Neogene and Quaternary times. A large part of the basin is filled with intermittent mass transport deposits(MTD). We infer that the episodic uplift of the Invisible Bank, protuberance of the outerarc and regular deformation through reactivation of preexisting normal faults since the Pleistocene could be attributed as causal mechanisms for the MTDs. Strong bottom simulating reflectors are identified in the Late Miocene and younger sediments of the outerarc and AFB at a depth of * 0.6 s TWT and correspond to the presence of gas hydrates in this region. Our interpretations have significant implications for geodynamic as well as resource exploration in the AFB. 关键词：Andaman FOREARC Basin - NEOGENE UPLIFT INVISIBLE Bank Outerarc STRATIGRAPHY

相关文献

参考文献（58）
引证文献（3）
耦合文献（1）

参考文献(58)

引证文献(3)

耦合文献(1)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Late Cenozoic seismic stratigraphy of the Andaman Forearc Basin,Indian Ocean

参考文献(58)

引证文献(3)

耦合文献(1)

用户提示