京津冀基岩区地热资源远景的地球化学区划

doi:10.11720/wtyht.2019.1151

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Abstract

By using regional geochemical data in combination with regional geological conditions to determine geothermal prospect areas, researchers can evaluate the potential of geothermal resources. Data research shows that geochemical characteristics of geothermal areas of different genetic types in Jingjinji are different. The lower mild anomalies of As, Sb, Bi, Hg, F, Li, Sn, U, Th and other elements may have corresponding indication effects to different types of geothermal areas. Various types of geothermal geochemical indicator elements are as follows: Li-F-As-U for volcanic rock type, Sn-Bi-Li-Th-As for invasive rock type, F-Th for metamorphic rock type, and Hg-Li-As-U for sedimentary rock type. According to the correlation analysis, the regression equation can be established between the geothermal water temperature T and the sediment element content in the water system sediments. It is indicated that the alkaline magmatic hydrothermal activities and the associated products of molybdenum and silver mineralization are heat-producing and thermal-conductive rock formations, whereas the metamorphic rocks and the sedimentary rocks constitute the insulation and heat preservation layers. According to the spatial distribution of the combination of geochemical anomalies of the indicator elements, a total of 50 geopotential or dry-hot rock prospect areas were delineated in bedrock areas of Jingjinji. These prospective areas show NE, NW and EW distributions, which are closely related to the deep huge faults and the Yanshanian medium-basic magmatic rocks. Meanwhile, they are consistent with the distributions of geothermal anomalies in the plain areas. In recent years, geothermal exploration activities show that this result has played an important guiding role.

Key words： geothermal resources geochemistry prospect regional planning bedrock areas in Beijing-Tianjin-Hebei

Received: 08 April 2018 Published: 28 November 2019

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	Xiao-Dong WANG
	Xiang-Xin LI
	Jin-Zhong GONG
	Ling-Ling SHI

Cite this article:

Xiao-Dong WANG,Xiang-Xin LI,Jin-Zhong GONG, et al. Geochemical regional planning of geothermal resource prospect in Beijing-Tianjin-Hebei bedrock region[J]. Geophysical and Geochemical Exploration, 2019, 43(6): 1246-1253.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.1151 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I6/1246

地热区	地质背景	水温 /℃	w(As) /10^-6	w(Sb) /10^-6	w(Bi) /10^-6	w(Hg) /10^-9	w(F) /10^-6	w(U) /10^-6	w(Th) /10^-6	w(Li) /10^-6	w(Sn) /10^-6	w(K₂O) /10^-2	备注
围场热水汤	K₁d、ENh、断层	70.4	8.71	0.40	0.129	22	2160	2.68	13.6	39.0	2.20	2.84	火山岩区
围场老窝铺	K₁y、J₃W、ξοπK₁、断层	29	15.4	0.61	0.11	30	1250	2.25	10.1	50.4	2.80	2.69
承德前庙	K₁y、K₁X	42	6.00	0.51	0.15	20	520	1.25	9.30	29.0	1.56	2.40
隆化唐三营	K₁y、K₁S、断层	36	3.69	0.42	0.079	12	400	1.10	7.76	27.5	1.20	3.51
隆化茅荆坝	K₁d、断层	64	6.50	0.27	0.259	32	430	1.44	12.0	33.9	1.61	2.57
隆化七家	K₁d、J₂C	90	5.83	0.50	0.150	12	440	1.06	19.0	25.4	2.72	2.93
隆化汤池子	J₃z、ξοπK₁、断层	90	5.03	0.42	0.129	20	880	2.04	8.96	68.7	1.44	3.41
隆化南山咀	J₃z、K₁X、λJ₃	78	8.47	0.42	0.070	32	190	2.49	7.92	23.8	1.92	1.99
宣化坝口	J₂t	42	8.19	0.66	0.159	11	620	1.34	6.40	30.2	1.20	1.54
丰宁张百万	J₃Bb、断层	76	15.3	0.53	0.88	18	620	2.25	8.60	29.5	2.10	2.35	侵入岩区
抚宁黑山咀	J₃Sz	38	5.00	0.53	0.20	32.4	440	1.89	23.2	33.0	9.10	3.43
丰宁洪汤寺	J₃C、断层	60	3.01	0.28	0.126	24	376	0.92	8.00	25.2	1.00	2.97
青龙汤杖子	J₁B、J₁Z	39.4	7.03	0.31	0.159	27	1080	1.89	12.3	45.0	1.23	2.20
遵化汤泉	J₁S、Ar₃Z	56	7.00	0.68	0.189	13.8	618	1.29	9.50	42.5	42.5	2.11
承德热河	J₂tch、Ar₃γgn	40	5.40	0.48	0.27	60	522	1.79	11.2	35.0	1.95	2.70	沉积岩区
平泉小寺沟	T₁l、断层	38	4.80	0.43	0.17	20	440	1.10	13.1	25.0	1.89	3.40
峰峰梧东井田	O₂m	43	12.6	0.69	0.23	88	640	2.86	9.44	42.0	2.04	2.41
玉田郭家屯	Jxw	25	13.0	0.45	0.209	49	720	1.78	13.8	66.2	2.21	2.36
易县管头石门	Jxw	29	10.4	0.59	0.168	43	580	2.09	8.25	40.2	2.31	2.15
滦平古北口	Chg、断层	34	8.60	0.46	0.15	25	640	1.60	10.7	27.0	1.82	2.70
易县良岗南台	Chg、断层	28	6.59	0.28	0.091	20	660	1.70	7.50	36.1	1.40	2.14
平山孟贤壁	Pt₁Gt	64	8.76	0.21	0.224	23	500	2.08	9.98	34.2	1.12	2.52	变质岩区
赤城塘子营	Ar₃δgn、J₂tch、断层	68.5	4.14	0.287	0.098	17	2000	1.48	14.2	36.5	1.00	2.44
青龙八道河	Ar₃γδgn	28	2.69	0.31	0.129	24.6	630	1.29	10.0	26.0	1.63	2.59
阜平温塘	Ar₃ηγgn、断层	64	3.66	0.24	0.112	20	1044	1.56	14.2	31.7	1.60	2.93
邢台朱庄	Ar₃γ	52	3.20	0.21	0.098	27	384	1.79	10.35	22.5	1.09	3.29
阜平下堡	Ar₃κγ、断层	61	2.63	0.19	0.126	15.0	676	2.29	9.00	23.8	1.47	2.02
卢龙崔庄	Ar₃L、断层	53	4.89	0.34	0.18	17	440	1.70	11.0	20.7	0.98	2.62
滦平马营子	Ar₂Τοgn、断层	27	2.70	0.27	0.09	31	640	1.29	3.40	25.0	3.58	3.40
涞源南马庄	Ar₂Τοgn、Ar₃ηγgn、断层	34	5.83	0.39	0.098	19	800	1.79	19.5	30.3	2.31	2.79
阜平台峪	Ar₂Τοgn、J₂Q	30	5.63	0.28	0.119	20	860	1.10	17.3	26.3	2.34	2.34
阜平吴王口	Ar₂yf,Ar₃γ	62	5.75	0.36	0.098	14	780	1.70	8.25	26.6	1.12	2.34
灵寿温塘	Ar₂Ch、J₃D、J₃G	56	3.66	0.25	0.091	16.0	940	1.29	18.75	14.5	1.61	2.29
平山温塘	Ar₂Ch	54	5.79	0.49	0.133	43	600	2.57	11.48	30.2	1.34	2.64
怀来奚家堡	Ar₂Sgc、断层	69	4.10	0.29	0.53	7.0	370	0.84	9.0	18.2	1.40	2.26
全省均值			6.59	0.45	0.187	25.8	611	1.66	10.44	28.9	1.81	2.62

Sedimentary element content of 1:200,000 water system in Beijing-Tianjin-Hebei geothermal area

Mean value of sedimentary elements in 1:200,000 water system in different geologic backgrounds in Beijing-Tianjin-Hebei

Elemental lining values of 1:200,000 water system in different geologic background geothermal areas in Beijing-Tianjin-Hebei

Geochemical anomalies dissect map of typical geoheat springs in Hebei Province

Geochemical regional planning map of geothermal prospect in Beijing-Tianjin-Hebei

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