Compared with those in other regions worldwide, the granites and volcanic rocks in southeast China show distinct characteristics of episodical occurrences, complex genetic types and formation processes, and close affinity with metallogeny.

華南花崗巖－火山巖具幕式多期次產(chǎn)出的特點欧美一級性愛視頻，成因類型和形成過程錯綜復雜国外一区二区三区黄色录像。

In view of inhomogeneous distribution of fluid pressure, fault-valve behavior and the coupled equations of the current density and fluid flow within the Earth's crust, especially, the observed anomalies in electrical field showed a similar pattern of rapid starting and slow decay, some of these anomalies associated with episodical spouting from borehole or the increase of fluid pressure in wells, it is reasonable to consider that the source of precursory electrical field anomalies is the streaming potential mechanism.

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