Geologic features of Wudalianchi volcanic field, northeastern China: Implications for Martian volcanology

2009 ◽  
Vol 57 (5-6) ◽  
pp. 685-698 ◽  
Author(s):  
Long Xiao ◽  
Chunzeng Wang
Keyword(s):  
Volcanic Field ◽  
Northeastern China

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

The Holocene ◽  
2016 ◽  
Vol 27 (5) ◽  
pp. 765-778
Author(s):  
Hongli Zhao ◽  
Jiaqi Liu ◽  
Valerie A Hall ◽  
Xiaoqiang Li
Keyword(s):  
Late Quaternary ◽  
Volcanic Field ◽  
Northeastern China ◽  
Historical Period ◽  
Published Data ◽  
Tianchi Volcano ◽  
Tephra Layers ◽  
Millennium Eruption ◽  
Reference Samples ◽  
Glass Shards

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.

A method to estimate the pre-eruptive water content of basalts: Application to the Wudalianchi–Erkeshan–Keluo volcanic field, Northeastern China

2020 ◽  
Vol 105 (2) ◽  
pp. 149-161 ◽  
Author(s):  
Yankun Di ◽  
Wei Tian ◽  
Mimi Chen ◽  
Zefeng Li ◽  
Zhuyin Chu ◽  
...  
Keyword(s):  
Water Content ◽  
Volcanic Rocks ◽  
High Water ◽  
Volcanic Field ◽  
Northeastern China ◽  
Magma Ascent ◽  
High Water Content ◽  
Silica Activity ◽  
Igneous Provinces ◽  
The Difference

Abstract Water plays an important role in the generation and evolution of volcanic systems. However, the direct measurement of the pre-eruption water content of subaerial volcanic rocks is difficult, because of the degassing during magma ascent. In this study, we developed a method to calculate the pre-eruption water content of the basalts from the Cenozoic Wudalianchi–Erkeshan–Keluo (WEK) potassic volcanic field, Northeastern China, and investigated their mantle source. A water-insensitive clinopyroxene–melt thermobarometer and a water-sensitive silica activity thermobarometer were applied to these basalts. Two pressure-temperature (P-T) paths of the ascending magma were calculated using these two independent thermobarometers, with a similar P-T slope but clear offset. By adjusting the water content used in the calculation, the difference between the two P-T paths was minimized, and the water content of the WEK melts was estimated to be 4.5 ± 1.2 wt% at a pressure range of 10.1–13.5 kbar, corresponding to depths of 37–47 km. Degassing modeling shows that during the magma ascent from below the Moho to near the surface, CO2 was predominantly degassed, while the melt H2O content kept stable. Significant H2O degassing occurred until the magma ascended to 5–2 kbar. The silica activity P–T estimates of the most primary WEK samples suggest that the magmas were generated by the melting of convective mantle, which was probably facilitated by a wet upwelling plume from the mantle transition zone. The high water content found in the WEK basalts is similar to the recent reports on Phanerozoic intraplate large igneous provinces (LIPs) and supports the presence of hydrated deep mantle reservoirs as one possible source of the LIPs.

Volcanic eruptions in the Longgang volcanic field, northeastern China, during the past 15,000 years

2009 ◽  
Vol 34 (5) ◽  
pp. 645-654 ◽  
Author(s):  
Jiaqi Liu ◽  
Guoqiang Chu ◽  
Jingtai Han ◽  
Patrick Rioual ◽  
Weiyi Jiao ◽  
...  
Keyword(s):  
Volcanic Eruptions ◽  
Volcanic Field ◽  
Northeastern China ◽  
The Past

Understanding the Yanshan volcano eruption in the Chaihe–Arxan volcanic field, northeastern China

2021 ◽  
Vol 14 (21) ◽  
Author(s):  
Xiao-ge Cui ◽  
Jian-dong Xu ◽  
Hong-mei Yu ◽  
Bo Zhao ◽  
Wen-jian Yang
Keyword(s):  
Volcanic Field ◽  
Northeastern China ◽  
Volcano Eruption
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