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Study on the characteristics of crust-mantle transition zone in Western Yunnan Province
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作者 胡鸿翔 林中洋 +2 位作者 边银菊 王椿镛 朱良保 《Acta Seismologica Sinica(English Edition)》 CSCD 1996年第4期40-48,共9页
In this paper the fine structure of crust mantle transition zone in Western Yunnan Province is analysed and discussed based on the reflection phases from Moho discontinuity in Project Western Yunnan 86~87. ... In this paper the fine structure of crust mantle transition zone in Western Yunnan Province is analysed and discussed based on the reflection phases from Moho discontinuity in Project Western Yunnan 86~87. It shows that in two points: in the north 27.64 km from shot point Jinggu and south 58.74 km from shot point Zhiti, there are transition zones of group of thin layers with inverse velocity.These two reflection points are both situated in the lower velocity anomaly zone in the top of upper mantle. The crust of this region is more seismicity. Maybe the unusual structure of this transition zone is related with the characteristics of this region. This paper discusses the possible geological interpretation model for this transition zone, and also makes suggestion about its application in earthquake prediction. 展开更多
关键词 Western Yunnan Province fine structure of crust mantle transition zone spectral analysis of phase Moho discontinuity.
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