Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics

Geothermal resources occurring in the Changbaishan volcanic field are directly or indirectly controlled by volcanic activity and exhibit a close correlation with deep-seated faults. Energy and thermal transfer are generally controlled by groundwater circulation and hot gas emission. This article con...

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Autores principales:	Xu Zhi-He, Sun Zhen-Jun, Xin Wei, Zhong Liping
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	geothermal resource changbaishan volcanic field controlled source acoustic magnetotelluric radon gas Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/441c77dcda9b45a3bc12f56481cbe72a
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spelling	oai:doaj.org-article:441c77dcda9b45a3bc12f56481cbe72a2021-12-05T14:10:49ZGeothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics2391-544710.1515/geo-2020-0282https://doaj.org/article/441c77dcda9b45a3bc12f56481cbe72a2021-09-01T00:00:00Zhttps://doi.org/10.1515/geo-2020-0282https://doaj.org/toc/2391-5447Geothermal resources occurring in the Changbaishan volcanic field are directly or indirectly controlled by volcanic activity and exhibit a close correlation with deep-seated faults. Energy and thermal transfer are generally controlled by groundwater circulation and hot gas emission. This article considers the detectability of hot water and gas by geophysical methods. The controlled source acoustic magnetotelluric (CSAMT) and radon (222Rn) gas methods give straightforward information on electrical resistivity and natural radon emissions, respectively, to assess the geothermal condition. The CSAMT method detected five-banded low-apparent resistivity bodies (decreasing from 3,000 to 300 Ωm), indicating that there exists a high degree of water-bearing capacities in the subsurface. The radon (222Rn) gas concentrations were monitored in two rapid growth zones: one zone showing values ranging from 3,000 to 23,000 Bq/m3, and the other with values from 4,000 to 24,000 Bq/m3. These changes demonstrate that the heat energies available in these areas were very high and that there is potential for geothermal resources in those zones. Combining with previously published data from geothermometry and geothermal drilling, we argue that there is great potential in Erdaobaihe for geothermal exploitation and that the geothermal resource type should be classified into uplift mountain geothermal system no magma type.Xu Zhi-HeSun Zhen-JunXin WeiZhong LipingDe Gruyterarticlegeothermal resourcechangbaishan volcanic fieldcontrolled source acoustic magnetotelluricradon gasGeologyQE1-996.5ENOpen Geosciences, Vol 13, Iss 1, Pp 1053-1063 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	geothermal resource changbaishan volcanic field controlled source acoustic magnetotelluric radon gas Geology QE1-996.5
spellingShingle	geothermal resource changbaishan volcanic field controlled source acoustic magnetotelluric radon gas Geology QE1-996.5 Xu Zhi-He Sun Zhen-Jun Xin Wei Zhong Liping Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
description	Geothermal resources occurring in the Changbaishan volcanic field are directly or indirectly controlled by volcanic activity and exhibit a close correlation with deep-seated faults. Energy and thermal transfer are generally controlled by groundwater circulation and hot gas emission. This article considers the detectability of hot water and gas by geophysical methods. The controlled source acoustic magnetotelluric (CSAMT) and radon (222Rn) gas methods give straightforward information on electrical resistivity and natural radon emissions, respectively, to assess the geothermal condition. The CSAMT method detected five-banded low-apparent resistivity bodies (decreasing from 3,000 to 300 Ωm), indicating that there exists a high degree of water-bearing capacities in the subsurface. The radon (222Rn) gas concentrations were monitored in two rapid growth zones: one zone showing values ranging from 3,000 to 23,000 Bq/m3, and the other with values from 4,000 to 24,000 Bq/m3. These changes demonstrate that the heat energies available in these areas were very high and that there is potential for geothermal resources in those zones. Combining with previously published data from geothermometry and geothermal drilling, we argue that there is great potential in Erdaobaihe for geothermal exploitation and that the geothermal resource type should be classified into uplift mountain geothermal system no magma type.
format	article
author	Xu Zhi-He Sun Zhen-Jun Xin Wei Zhong Liping
author_facet	Xu Zhi-He Sun Zhen-Jun Xin Wei Zhong Liping
author_sort	Xu Zhi-He
title	Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
title_short	Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
title_full	Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
title_fullStr	Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
title_full_unstemmed	Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics
title_sort	geothermal resource potential assessment of erdaobaihe, changbaishan volcanic field: constraints from geophysics
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/441c77dcda9b45a3bc12f56481cbe72a
work_keys_str_mv	AT xuzhihe geothermalresourcepotentialassessmentoferdaobaihechangbaishanvolcanicfieldconstraintsfromgeophysics AT sunzhenjun geothermalresourcepotentialassessmentoferdaobaihechangbaishanvolcanicfieldconstraintsfromgeophysics AT xinwei geothermalresourcepotentialassessmentoferdaobaihechangbaishanvolcanicfieldconstraintsfromgeophysics AT zhongliping geothermalresourcepotentialassessmentoferdaobaihechangbaishanvolcanicfieldconstraintsfromgeophysics
_version_	1718371718015221760

Geothermal resource potential assessment of Erdaobaihe, Changbaishan volcanic field: Constraints from geophysics

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