49. VORING PLATEAU VOLCANIC MARGIN: EXTENSION, MELTING, AND UPLIFT1

49. VORING PLATEAU VOLCANIC MARGIN: EXTENSION, MELTING, AND UPLIFT1
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49. 沃林高原火山边缘:伸展、融化和隆升1

DOI:
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发表时间:
1989
期刊:
影响因子:
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通讯作者:
J. Skogseid
J. Skogseid
中科院分区:
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文献类型:
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作者:
T. Pedersen;J. Skogseid

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在Wring高原火山被动边缘的地震剖面和ODP钻井信息提供了模拟与第三纪早期裂谷事件相关的玄武岩浆和隆起的生成的框架。一个简单的统一的岩石圈沉降拉伸模型,包括上地幔的部分熔融,当假定岩石圈底部的温度略微超过约50°C时,可以解释产生的液态玄武岩的体积和隆起的数量。
Seismic sections and ODP drilling information at the Wring Plateau volcanic passive margin have provided the framework for modeling the generation of basaltic magma and uplift associated with the early Tertiary rifting event. A simple uniform lithosphere stretching model of subsidence, incorporating partial melting in the upper mantle, accounts for both the volume of liquid basalt produced and the amount of uplift, when a minor temperature excess of approxi­ mately 50°C is assumed at the base of the lithosphere.