The discovery of Early Cretaceous spore- pollen assemblage in the Middle Jurassic strata of the Rucheng Basin, Hunan Province

CHEN Huiming; MA Tieqiu

2016 Vol. 35, No. 12

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CHEN Huiming, MA Tieqiu. The discovery of Early Cretaceous spore- pollen assemblage in the Middle Jurassic strata of the Rucheng Basin, Hunan Province[J]. Geological Bulletin of China, 2016, 35(12): 1985-1989.

Citation:

CHEN Huiming, MA Tieqiu. The discovery of Early Cretaceous spore- pollen assemblage in the Middle Jurassic strata of the Rucheng Basin, Hunan Province[J]. Geological Bulletin of China, 2016, 35(12): 1985-1989.

The discovery of Early Cretaceous spore- pollen assemblage in the Middle Jurassic strata of the Rucheng Basin, Hunan Province

1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;
2. Hu'nan Academy of Geological Survey, Changsha 410114, Hu'nan, China

Received Date: 28 July 2016

Revised Date: 24 October 2016

Publish Date: 15 December 2016

Abstract

Abstract

The Lijiadong reservoir section of the Rucheng Basin in Hunan Province was originally considered to be of Middle Jurassic. Based on the analyses of 28 samples of spore-pollen collected from this section, the authors found abundant spore-pollen fossils from 24 of the samples. Among these fossils, the taxan Cicatricosisporites is most abundant, while the taxa Hsuisporites, Pilosisporites, Aequitriradites, Erlianpollis, Appendicisporites and Parvisaccites are highly abundant. In addition, a small number of angiosperm pollens were found in the sample. This fossil assemblage shows typical Early Cretaceous features. It is thus held that the geological age of Lijiadong reservoir section should be Early Cretaceous rather than Middle Jurassic.
- Early Cretaceous /
- spore-pollen assemblage /
- Rucheng Basin

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References

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