Discovery of glaciokarst in middle Shandong Province and its climatic significance

WANG Zhaobo; BAI Weiming; LI Baojie

doi:10.16562/j.cnki.0256-1492.2020071601

2021 Vol. 41, No. 2

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Article navigation > Marine Geology & Quaternary Geology > 2021 > 41(2): 201-209

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WANG Zhaobo, BAI Weiming, LI Baojie. Discovery of glaciokarst in middle Shandong Province and its climatic significance[J]. Marine Geology & Quaternary Geology, 2021, 41(2): 201-209. doi: 10.16562/j.cnki.0256-1492.2020071601

Citation:

WANG Zhaobo, BAI Weiming, LI Baojie. Discovery of glaciokarst in middle Shandong Province and its climatic significance[J]. Marine Geology & Quaternary Geology, 2021, 41(2): 201-209. doi: 10.16562/j.cnki.0256-1492.2020071601

Discovery of glaciokarst in middle Shandong Province and its climatic significance

1.
Key Laboratory of Gold Mineralization Process and Resource Utilization of the Ministry of Land and Resources, Shandong Key Laboratory of Geological Processes and Resource Utilization in Metallic Minerals, Jinan 250013, China
2.
Yimeng National Geological Park Management Office, Linyi 273304, China
3.
Shandong Compass Mineral Exploration co., Ltd, Linyi 276006, China
4.
Qingdao Institute of Marine Geology, QIMG, Qingdao 266071, China
5.
Qingdao Geo-Marine Engineering Survey, Qingdao 266071, China

More Information

Corresponding author: BAI Weiming, qdbwm@163.com

Received Date: 16 July 2020

Revised Date: 11 September 2020

Publish Date: 28 April 2021

Abstract

Abstract

Glaciokarst is a kind of karst landform of limestone formed by the erosion of surface glacial melt water. It has great climatic significance despite there are few in-depth studies in China. In this research we found a karst system consisting of meandering karst grooves and glacial potholes on the limestone surface in the small village of Xiaoquanzhuang, Feixian, Shandong province. Based on the restoration of the water path of karst channels, it is found that the water flow in the karst channels was originated from the glacial potholes at the front end. Additionally, the time of the formation of channels was restored according to the superposition relationship of karst channels. The displacement features of glacial potholes and the displacement amount also suggest that the movement of glacial is featured by the alternation of stable and rapid stages. The features of the meandering karst channels and their relationship to glacial potholes in Xiaoquanzhuang are similar with those observed in Alps. Integrated analysis further suggests that the meandering shape of karst channels on limestone surface is formed by melt ice water as the potholes are caused by the erosion on the bottom of ice water, they are both typical glaciokarst landforms. The discovery of such a typical glaciokarst in Xiaoquanzhuang proves that ice sheets and valley glaciers was once widely spread in the low-hill region of East China.
- glaciokarst /
- meandering karst groove /
- pothole /
- glacial pothole

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References

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