贵州扬子区震旦系与寒武系界线研究的新进展

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贵州省的中西部和北部震旦至寒武纪地层分布较广,发育良好,属扬子地层区,是我国研究震旦系—寒武系界线的重要地区之一。近几年来,在我队1:200000区域地质调查工作的基础上,我们又开展了震旦系—寒武系界线研究工作,在有关单位的配合和支持下,在梅树村期地层中发现了丰富的小壳动物化石,找到了一些连续剖面,取得了较大的进展。现介绍如下。 The Sinian to Cambrian strata in the central, western and northern parts of Guizhou Province are widely distributed and well-developed, belonging to the Yangtze stratigraphic zone, which is one of the most important areas in China for the study of the Sinian-Cambrian boundary. In recent years, based on the 1: 200000 regional geological survey of our team, we conducted a Sinnian-Cambrian boundary research work. With the cooperation and support of relevant units, we found in the Meishu Period The rich shell animal fossils, to find some continuous profile, made great progress. Now introduced as follows.
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