SPORO-POLLEN RECORDS OF BOREHOLE DZS2 OFFSHORE NORTH ZHOUSHAN ISLANDS AND PALAEO-ENVIRONMENTAL IMPLICATIONS

ZHANG Zhizhong; ZOU Liang; YANG Zhenjing; HAN Yue

doi:10.16562/j.cnki.0256-1492.2015.04.013

2015 Vol. 35, No. 4

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Article navigation > Marine Geology & Quaternary Geology > 2015 > 35(4): 125-132

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ZHANG Zhizhong, ZOU Liang, YANG Zhenjing, HAN Yue. SPORO-POLLEN RECORDS OF BOREHOLE DZS2 OFFSHORE NORTH ZHOUSHAN ISLANDS AND PALAEO-ENVIRONMENTAL IMPLICATIONS[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 125-132. doi: 10.16562/j.cnki.0256-1492.2015.04.013

Citation:

ZHANG Zhizhong, ZOU Liang, YANG Zhenjing, HAN Yue. SPORO-POLLEN RECORDS OF BOREHOLE DZS2 OFFSHORE NORTH ZHOUSHAN ISLANDS AND PALAEO-ENVIRONMENTAL IMPLICATIONS[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 125-132. doi: 10.16562/j.cnki.0256-1492.2015.04.013

SPORO-POLLEN RECORDS OF BOREHOLE DZS2 OFFSHORE NORTH ZHOUSHAN ISLANDS AND PALAEO-ENVIRONMENTAL IMPLICATIONS

1. Key Laboratory of Marine Hydrocarbon Resources and Environment Geology, Ministry of Land and Resources, Qingdao Institute of Marine Geology, Qingdao 266071, China;
2. Institute of Hydrogeology and Environmental Geology, the Chinese Academy of Geological Sciences, Shijiazhuang, 050061, China

Received Date: 15 September 2014

Revised Date: 28 October 2014

Abstract

Abstract

9 palynological assemblages and 12 climatic stages are recognized based on the spore-pollen records of the coring hole DZS2 (240.1 meter-long) in the offshore area to the north Zhoushan Islands, East China Sea. It is up to date the deepest whole coring hole in that part of China. Quaternary climatic stages are established in a succession as follows:temperate-dry, a little cold-dry, warm and moist, temperate-cold and a little dry, temperate-cold and dry, warm and moist, temperate-cold and moist, warm and moist, warm and a little dry, temperate and a little dry, warm and moist. The local fluctuations of climate coincide with regional climate changes. Combined with dating data of AMS 14C, OSL and palaeomagnetism, the Pliocene evolution of climate and environment in the area off the north Zhoushan Islands are discussed. The palynological data has laid solid basis for Pliocene stratigraphic classification and correlation in the offshore North Zhoushan area.
- Spore-pollen /
- palaeo-environment /
- climate change /
- Quaternary /
- North Zhoushan Offshore Area

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References

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