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首页> 外文期刊>South African Journal of Geology: Being the Transaction of the Geological Society of South African: Syndie die Verhandelinge van die Geologiese Vereniging van Suid-Afrika >PALAEOCEANOGRAPHIC INTERPRETATION OF A SEISMIC PROFILE FROM THE SOUTHERN MOZAMBIQUE RIDGE, SOUTHWESTERN INDIAN OCEAN
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PALAEOCEANOGRAPHIC INTERPRETATION OF A SEISMIC PROFILE FROM THE SOUTHERN MOZAMBIQUE RIDGE, SOUTHWESTERN INDIAN OCEAN

机译：印度洋西南部莫桑比克山脊南部地震剖面的古海洋解释

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摘要

Seismic reflection data from the southern Mozambique Ridge, Southwestern Indian Ocean, show indications for a modification in the oceanic circulation system during the Neogene. Major reorganisations in the Indian Ocean circulation system accompanying the closure of the Indonesian Gateway led to the onset of current controlled sedimentation in the vicinity of the Mozambique Ridge at ~14 Ma. The modifications in water mass properties and path are documented in changes in reflection characteristics in the Mozambique Ridge area. Correlating these with identified changes of the Nd isotope evolution in deep water masses the general present day large scale circulation in the southern Indian Ocean is suggested to have prevailed for the last 9 Ma. References should not be included in abstracts.
机译：来自印度洋西南部莫桑比克山脊南部的地震反射数据表明，新近纪期间海洋环流系统发生了变化。印度洋环流系统的重大重组，伴随着印尼门户的关闭，导致莫桑比克海岭附近14 Ma处目前受控沉积的开始。莫桑比克山脊地区反射特性的变化记录了水质特性和路径的变化。将这些与深水团块中Nd同位素演化的确定变化相关联，建议在印度洋南部最近9Ma普遍存在当今的大规模大规模环流。参考文献不应包含在摘要中。

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