试论“胶南地体”

PRELIMINARY DISCUSSION ON "JIAONAN TERRANE"

摘要:

本文在简单介绍了地体构造研究现状之后,根据地体的定义,论证了胶南隆起是一个外来地体,它的北部边界断层是五莲荣成断裂。对这个断裂的地球物理特征,提出了自己看法,认为它是切穿地壳达到上地幔,一条有划分性壳断层,推测华北克拉通的南缘界线,不是嘉山响水断裂,而是五荣断裂。

Abstract:

After a brief account on the present state of researches on terrane tectonics, the author demonstrates in accordance with the definition of terrane that the Jiaonan Uplift is an allochthonous terrane with its northern boundary fault being the Wulian--Rongcheng Fracture. The author puts forth his own ideas on the geophysical characteristics of the fracture and suggests that the Wulian--Rongcheng Fracture be probably a demarcation fault which cuts through the crust and reaches the upper mantle, and that the s...