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Data Details

Geochemical Dataset of Volatile Compositions in Soil Gas and Groundwater Dissolved or Free Gas along the Tan-Lu Fault Zone


WANG Ziyue1HUANG Tianming*1
1 Institute of Geology and Geophysics，Chinese Academy of Sciences，Beijing 100029，China

DOI:10.3974/geodb.2026.03.06.V1

Published:Mar. 2026

Visitors：39       Data Files Downloaded：0      
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Key Words：

Tan-Lu Fault Zone; soil gas; groundwater gas; volatile geochemistry;

Abstract：

The geochemical dataset of volatile compositions in soil gas and groundwater dissolved or free Gas along the Tan-Lu Fault Zone was developed based on the publicly available geochemical observations records of soil gas and groundwater gas along the Tanlu Fault Zone as of March 2026, it was established for a comprehensive multi-medium volatile geochemical dataset for the fault zone. The dataset comprises two categories: soil gas and dissolved/escaping gas in groundwater. Soil gas data are organized by survey line as the basic statistical unit, including survey line locations, sampling depths, and the mean, maximum, and standard deviation of H2, CO2, Rn, Hg, and other indicators. The groundwater dissolved/escaping gas data include compositional parameters such as He, H2, CO2, CH4, O2, N2, and Ar, as well as isotopic and ratio parameters including 3He/4He, 4He/20Ne, etc. Owing to differences in literature sources, sampling media, and analytical items, indicator coverage varies among records, with some fields containing missing data. The dataset is archived in .xlsx and .shp formats, and consists of 11 files with data size of 57.7 KB (compressed into 1 file with 38.8 KB). The dataset covers major segments of the Tanlu Fault Zone in Anhui, Jiangsu, Shandong, Liaoning, and Jilin provinces, reflecting spatial variations in deep volatile geochemical characteristics across different tectonic settings and sampling media. This dataset can provide fundamental data support for research on deep volatile release, crust-mantle fluid mixing, fault activity evaluation, and regional seismic geochemistry along the Tanlu Fault Zone.

Foundation Item：

National Science and Technology Major Project (2024ZD1000404)

Data Citation：

WANG Ziyue, HUANG Tianming*. Geochemical Dataset of Volatile Compositions in Soil Gas and Groundwater Dissolved or Free Gas along the Tan-Lu Fault Zone[J/DB/OL]. Digital Journal of Global Change Data Repository, 2026. https://doi.org/10.3974/geodb.2026.03.06.V1.

References：


     [1] Liu, F. L., Ouyang, S. P., Li, Y., et al. Geochemical characteristics of soil gas environment in Tongling City [J]. Environmental Science & Technology, 2021, 44(S2): 1-8.
     [2] Zheng, H. G., Fang, Z., Zhou, X. C., et al. Geochemical characteristics of soil gas in the Anhui segment of the Tanlu fault zone [J]. Earthquake Research in China, 2016, 32(4): 1-11.
     [3] Gu, G. H., Pan, X. D., Liu, H. Y., et al. Gas geochemical background of the Fuyu-Zhaodong fault zone [J]. Seismological and Geomagnetic Observation and Research, 2023, 44(S1): 1-4.
     [4] Zhang, Y., Dai, B., Zhou, X. C. Study on geochemical characteristics of soil gas in Jiangsu segment of the Tanlu fault zone [J]. Journal of Seismological Research, 2016, 39(3): 444-449.
     [5] Miao, A. L., Zhang, Y., Fang, Z., et al. Study on Rn volume activity and CO2 concentration characteristics of soil gas in Xinyi-Sihong segment of the Tanlu fault zone [J]. Earthquake, 2019, 39(1): 1-10.
     [6] Wang, X. L., Luo, Y. H., Jin, X. Y., et al. Geochemical characteristics of fault soil gas in the fault zone of southern Liaoning and its indication for regional stress adjustment [J]. Seismology and Geology, 2023, 45(3): 1-25.
     [7] Wang, X. L., Jia, X. D., Yang, M. Y. Geochemical survey of fault soil gas in Jinzhou fault, Liaoning Province [J]. Earthquake Research in China, 2021, 37(4): 767-779.
     [8] Liu, Y. M., Wang, H. L., Wang, J. Q., et al. Geochemical characteristics of soil gas in Shandong segment of the Tanlu fault zone [J]. Seismological and Geomagnetic Observation and Research, 2016, 37(1): 63-69.
     [9] Geng, J., Fu, J. D., Kong, X. Y., et al. Analysis of tectonic geochemical observation results of Yishu fault zone [J]. Journal of Seismological Research, 2019, 42(3): 310-319.
     [10] Kang, P. Y., Du, X. F., Tong, Y. Q., et al. Geochemical characteristics of soil radon and activity analysis in the Linyi segment of the Tan-Lu fault zone [J]. China Earthquake Engineering Journal, 2025, 47(6): 1416-1424.
     [11] Fang, Z. Post-seismic effect and mechanism analysis of water radon from well No.1 in Lujiang geothermal hot spring for far-field strong earthquakes [J]. Acta Seismologica Sinica, 2020, 42(6): 1-13.
     [12] Guan, L. F., Liu, W., Cao, C. H., et al. Origin, spatial distribution, and geological implications of helium in fluids from the Tan-Lu fault zone [J]. Geochimica, 2023, 52(5): 570-581.
     [13] Liu, D. L., Tao, S. Z., Zhang, C. M. Geochemistry of hot spring gases in the Tanlu fault zone [J]. Geological Journal of China Universities, 2001(1): 81-86.
     [14] Tao, S. Z., Liu, D. L. Geothermal field characteristics, hot spring formation factors and gas composition in the Tanlu fault zone and adjacent areas [J]. Natural Gas Industry, 2000(6): 1-7.
     [15] Zou, Y. J., Xiao, F. Q., Zhang, S. L., et al. Characteristics and causes of helium content in hot spring associated gas of Jiangxi Province [J]. Northwestern Geology, 2022, 55(4): 85-94.
     [16] Shangguan, Z. G., Du, J. K., Zang, W., et al. Modern geothermal fluid geochemistry in the Tanlu fault and Jiaoliao fault block area [J]. Science in China (Series D: Earth Sciences), 1998(1): 23-29.
     [17] Xu, G., Xu, Z., Gong, D., et al. Relationship between Tanlu fault and hydrocarbon accumulation in Liaozhong Sag, Bohai Bay, eastern China [J]. Journal of Earth Science, 2014, 25(2): 324-336.
     [18] Hao, Y., Pang, Z., Tian, J., et al. Origin and evolution of hydrogen-rich gas discharges from a hot spring in the eastern coastal area of China [J]. Chemical Geology, 2020, 538: 119477.
     [19] Li, Z. Y., Zhang, J. T., Li, F. Q., et al. Distribution characteristics and genetic analysis of geothermal water-soluble helium in the Linyi section of the Tanlu fault zone [J]. Geological Review, 2025, 71(1): 328-340.
     [20] Cui, Y., Kang, F. X., Zhong, Z. N., et al. Constraints of gas isotopes on the heat source mechanism of geothermal resources in the northwestern Shandong plain [J]. Acta Geoscientica Sinica, 2023, 44(1): 93-106.

Data Product:

ID Data Name Data Size Operation
1 TLFZ_Volatile_Geochemistry.rar 38.87KB
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