| Liang Ruicai,Wu Jinlong,Liu Baohua,Wang Yong,Wang Shugong. 2001. Linear magnetic anomalies and tectonic development of the middle Okinawa Trough. Acta Oceanologica Sinica, (1):105－116 |
| Linear magnetic anomalies and tectonic development of the middle Okinawa Trough |
| Linear magnetic anomalies and tectonic development of the middle Okinawa Trough |
| Received:October 10, 2000 Revised:December 04, 2000 |
| DOI： |
| Key words:Okinawa Trough magnetic anomaly tectonic development |
| 中文关键词: Okinawa Trough magnetic anomaly tectonic development |
| 基金项目: |
| Author Name | Affiliation | | Liang Ruicai | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | Wu Jinlong | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | Liu Baohua | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | Wang Yong | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | Wang Shugong | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China |
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| Abstract: |
| By analyzing the magnetic anomalies, the linear magnetic anomalies in the middle Okinawa Trough are identified.It means that the crust along the spreading axis is broken, and new oceanic crust is formed.Geophysical data have revealed that a model of three extensive episodes occurs in the Okinawa Trough, which can be named as "doming episode" from the Middle to Late Miocene (Phase Ⅰ), the episode from the Pliocence to Early Pleistocene (Phase Ⅱ), and the recent "spreading episode" (Phase Ⅲ).The magnetic anomalies in the middle Okinawa Trough are very similar to those found in the middle Red Sea, indicating that the Okinawa Trough is developing towards the "Red Sea stage".Similar to the Red Sea, there are a "main trough" and a "axial trough" in the Okinawa Trough. |
| 中文摘要: |
| By analyzing the magnetic anomalies, the linear magnetic anomalies in the middle Okinawa Trough are identified.It means that the crust along the spreading axis is broken, and new oceanic crust is formed.Geophysical data have revealed that a model of three extensive episodes occurs in the Okinawa Trough, which can be named as "doming episode" from the Middle to Late Miocene (Phase Ⅰ), the episode from the Pliocence to Early Pleistocene (Phase Ⅱ), and the recent "spreading episode" (Phase Ⅲ).The magnetic anomalies in the middle Okinawa Trough are very similar to those found in the middle Red Sea, indicating that the Okinawa Trough is developing towards the "Red Sea stage".Similar to the Red Sea, there are a "main trough" and a "axial trough" in the Okinawa Trough. |
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