岩石圈滴落

岩石圈滴落（英语：Lithospheric drip）指的是一块致密且较冷的岩石圈块沉入流动性较强的上地幔中。岩石圈下降的区域已经由地震断层扫描方法检测到，经过建模为在上地幔内接近垂直方向的圆柱体。在内华达州中部大盆地下方发现的岩石圈滴落直径为100公里，垂直长度为500公里^[1]^[2]。在内华达山脉西南部和加利福尼亚圣华金谷的部分地区，相对高密度的岩石圈滴落覆盖100乘225公里的面积。在这里，纵波速度快而且地形异常^[3]。

参考文献[编辑]

^ National Science Foundation (May 27, 2009). "Dripping 'Blob' Under Western U.S.: A Hidden Drip, Drip, Drip Beneath Earth's Surface". Science Daily. Retrieved January 12, 2016.
^ West, John D.; Fouch, Matthew J.; Roth, Jeffrey B.; Elkins-Tanton, Linda T. (2009). "Vertical mantle flow associated with a lithospheric drip beneath the Great Basin" (PDF). Nature Geoscience. 2 (6): 439–444. doi:10.1038/ngeo526. ISSN 1752-0894. Retrieved January 12, 2016.
^ Saleeby, Jason; Foster, Zorka (2004). "Topographic response to mantle lithosphere removal in the southern Sierra Nevada region, California". Geology. 32 (3): 245. doi:10.1130/G19958.1. ISSN 0091-7613. Retrieved January 12, 2016.

[”National”-1] National Science Foundation (May 27, 2009). "Dripping 'Blob' Under Western U.S.: A Hidden Drip, Drip, Drip Beneath Earth's Surface". Science Daily. Retrieved January 12, 2016.

[”West”-2] West, John D.; Fouch, Matthew J.; Roth, Jeffrey B.; Elkins-Tanton, Linda T. (2009). "Vertical mantle flow associated with a lithospheric drip beneath the Great Basin" (PDF). Nature Geoscience. 2 (6): 439–444. doi:10.1038/ngeo526. ISSN 1752-0894. Retrieved January 12, 2016.

[”Saleeby”-3] Saleeby, Jason; Foster, Zorka (2004). "Topographic response to mantle lithosphere removal in the southern Sierra Nevada region, California". Geology. 32 (3): 245. doi:10.1130/G19958.1. ISSN 0091-7613. Retrieved January 12, 2016.

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