鲁东地块的大地构造位置

Geotectonic Location of Ludong Block

摘要:

鲁东地块指沂沭断裂带以东的山东部分。本文从地体的观点 ,在介绍鲁东地块研究简史的基础上 ,指出其在中生代以前与鲁西地块有着相同的沉积历史 ,尤其胶南隆起上在地史时期曾有过华北型晚石炭世的沉积 ,因而不符合地体的含义 ,鲁东地块仍为华北地块的一部分。华北地块与扬子地块的分界线 (或两地块在印支期的最终拼接线 )应在嘉山至连云港、赣榆之间 ,而不是前人提出的青岛诸城断裂带。

Abstract:

Ludong block locates in east of Yishu fault belt in Shandong province. From the aspect of block and on the basis of the study on Ludong block, it is pointed out that it has the same sedimentary history with Luxi block before Mesozoic, especially Jiaonan uplift had Huabei type late Carboniferous sedimentary in geological history period, which can not fit the meaning of block. Thus, it is said that Ludong block is still one part of Huabei block. The boundary of Huabei and Yangtz block should be between Jiashan—Lianyungang and Ganyu, not the Qingdao—Zhucheng fault belt which was put forward before.