Study And Comparison Of Sedimentary Environment Of Upper Cambrian In Luxi Block, China And Taebaeksan Bsian, Korea

In the paper, the characteristics of lithology and faunal in the Western Shandong Block and Taebaeksan Basin of late Cambrian were discussed respectively. Ten sedimentary Facies were divided and 4 sedimentary models were gained in Western Shandong Block, while, the strata in the Taeksan Basin was divided into 6 sedimentary facies and 4 sedimentary models were set up. Meanwhile, nine faunal made up of the Late Cambrian in the Taebaeksan Basin, in the same time, the Western Shandong Block had eight biozones, and the tribolite of cyclolorenzella was specially studied to get knowledge for the evolution of trilobite. On the basis of paleontology and sedimentology, we think the Western Shandong Block belong to the carbornate rampmargin. As the same way, the Taebaeksan Basin was divided into the one which was formed on the carbornate ramp margin. The two areas witnessed the similar change of the sedimentary environments in the Later Cambrian. It was displayed by the similar variation of the depth of the water and the quite similiarity of the late Cambrian fanuals.Both of the two areas experienced the water-depth variation in the model of "deep-shallow-deep-shallow".The author suggested that the faunal and sediment environment in the two areas are quietly similar to each other. Thus, it is safely to say that the Western Shandong Block and Taebaeksan Basin were located in the same continent, i.e. the North China Block in the quite similar environment during Late Cambrian and they may near each other at that time. On the basis of the sedimentary and paleontology analysis, the Tan-Lu Fault was studied roughly. Even there are different views about the Tan-Lu Fault's characters, the author think that the Tan-Lu Fault is a huge transcurrent fault which was formed after the Cambrian. And the problems which shoulb be paied much attention were brought oout for the further studied.