ISOTOPIC CHARACTERISTICS AND AGE DATING OF THE PUMICE IN OKINAWA TROUGH
文献类型：期刊论文
| 作者 | CHEN, LR; ZHAI, SK; SHEN, SX |
| 刊名 | SCIENCE IN CHINA SERIES B-CHEMISTRY
 |
| 出版日期 | 1994 |
| 卷号 | 37期号:7页码:870-878 |
| ISSN号 | 1001-652X |
| 英文摘要 | The data on the isotope compositions of rubidium, strontium and oxygen in the pumice of Okinawa Trough are reported for the first time. The ages of the pumice were successfully dated with the method of U-series disequilibrium. Then, the material source, crystallization evolution of magma and activity cycles of volcanos are explored. Isotopic data show that pumice magma was originally from the mantle, but had undergone a full crystallization differentiation and had been contaminated to a fair extent by crust-derived materials before the magma was erupted out of the sea floor. According to the dating results available so far, the earliest volcanic eruption in Okinawa Trough occurred about 70,000 a ago and the latest eruption was about 10,000 a B.P. During this period, there were three volcanic eruption cycles which were respectively corresponding to the middle Late Pleistocene, the late Late Pleistocene and the Early Holocene. |
| 学科主题 | Chemistry, Multidisciplinary |
| 公开日期 | 2010-12-22 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/3857]  |
| 专题 | 海洋研究所_海洋地质与环境重点实验室 |
| 推荐引用方式 GB/T 7714 | CHEN, LR,ZHAI, SK,SHEN, SX. ISOTOPIC CHARACTERISTICS AND AGE DATING OF THE PUMICE IN OKINAWA TROUGH[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,1994,37(7):870-878. |
| APA | CHEN, LR,ZHAI, SK,&SHEN, SX.(1994).ISOTOPIC CHARACTERISTICS AND AGE DATING OF THE PUMICE IN OKINAWA TROUGH.SCIENCE IN CHINA SERIES B-CHEMISTRY,37(7),870-878. |
| MLA | CHEN, LR,et al."ISOTOPIC CHARACTERISTICS AND AGE DATING OF THE PUMICE IN OKINAWA TROUGH".SCIENCE IN CHINA SERIES B-CHEMISTRY 37.7(1994):870-878. |
入库方式： OAI收割
来源：海洋研究所
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