In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.

顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；

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Therefore, it suggests vertical accretion of lithosphere in deep crustal setting of orogenic belts and shows its importance in continental dynamics.

该穹隆突出而重要地参与了秦岭造山带的形成与演化，具有重要的大陆动力学意义。

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