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Tephrostratigraphical investigation of lake sediments and a peat bog in Northeastern China since 20,000 years
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release time:2017-06-29 source: browse:

Title

Tephrostratigraphical investigation of lake sediments and a peat bog in Northeastern China since 20,000 years

Authors

Zhao, HL; Liu, JQ; Hall, VA; Li, XQ

Abstract

This is a detailed tephrostratigraphical investigation of late Quaternary deposits in the Longgang and Changbaishan Volcanic Fields of northeastern China. A total of 45 reference samples which were collected from either side of the Chinese/Korean border showed very similar geochemical characteristics to the Millennium eruption of Tianchi Volcano. Through comparing the published data of the glass shards detected in Gushantun with these reference samples, further description is that the glass shards in the sediment of Gushantun came from the Tianchi Volcano eruption in AD 1702, 1668, and 1597. A basaltic tephra layer found in the sediment of Hanlongwan associated with an eruption of the Jinlongdingzi Volcano which happened in 1500-2100 cal. yr BP by comparing with the published data from Sihailongwan and Xiaolongwan. Tianchi and Jinlongdingzi Volcano are both active and erupted several times during the historical period. Reference samples and the tephra layers detected in Hanlongwan, Sihailongwan, Gushantun, Erlongwan, and Xiaolongwan can be used as marker horizons beyond the Longgang Volcanic Field and Changbaishan Volcanic Field, including, for example, in Japan, Korea, nearby coastal area of Russia, and marine records.

Corresponding author

Zhao Hongli

Volume

27

Issue

5

Page

765-778

Pub year

2017

Publication name

HOLOCENE

Details

http://journals.sagepub.com/doi/10.1177/0959683616670473

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