TÀI LIỆU MỚI VỀ MẶT CẮT CHUẨN CỦA CÁC HỆ TẦNG SIKA, BẮC BUN, MIA LÉ TUỔI DEVON SỚM VÙNG ĐỒNG VĂN, HÀ GIANG

Authors

  • Tạ Hòa Phương

DOI:

https://doi.org/10.15625/0866-7187/27/1/9388

Abstract

The Lung Co - Mia Le setion containing the stratotypesof 3 formations (Si Ka, Bac Bun and Mia Le Formations) was described firsly about 90 years ago. In this article the author gives supplementarily -paleontological data Which were collected and studied recently. These fossils are the representatives of following groups : Brachiopods, Bivalves, Plants, Fishes, Tetracorals and Tentaculites. The existence of these fossils allows to confirm the position of ab'ove-mentionedformations in the chronostratigraphical scale.

Due to the new materials and observation, we have a complete knowledge about the stratotypes of three Early Devonian formations which are largely distributed in the North-East of Sac Bo (such Si Ka,Sac Bun and Mia Le formations) and the regional stratigraphical correlation becomes more favourable.

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Published

2017-03-25

How to Cite

Phương, T. H. (2017). TÀI LIỆU MỚI VỀ MẶT CẮT CHUẨN CỦA CÁC HỆ TẦNG SIKA, BẮC BUN, MIA LÉ TUỔI DEVON SỚM VÙNG ĐỒNG VĂN, HÀ GIANG. VIETNAM JOURNAL OF EARTH SCIENCES, 27(1), 65–71. https://doi.org/10.15625/0866-7187/27/1/9388

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