岩石圈滴落

岩石圈滴落（英語：Lithospheric drip）指的是一塊緻密且較冷的岩石圈塊沉入流動性較強的上地幔中。岩石圈下降的區域已經由地震斷層掃描方法檢測到，經過建模為在上地幔內接近垂直方向的圓柱體。在內華達州中部大盆地下方發現的岩石圈滴落直徑為100公里，垂直長度為500公里^[1]^[2]。在內華達山脈西南部和加利福尼亞聖華金谷的部分地區，相對高密度的岩石圈滴落覆蓋100乘225公里的面積。在這裡，縱波速度快而且地形異常^[3]。

參考文獻

^ 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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