Geochemical features of the geothermal CO2-watercarbonate rock system and analysis on its CO2 sources

Liu, Zaihua; Yuan, Daoxian; He, Siming; Zhang, Meiliang; Jia-gui, Zhang

doi:10.1007/bf02879500

Cited by 31 publications

(12 citation statements)

References 4 publications

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“…The d 13 C values of carbon dioxide from hot springs in three earthquake zones of Xianshuihe, Anninghe and Table 2 Chemical compositions of some spring waters in Kangding, Sichuan (Liu et al, 2000) Positions Lunmengshan in Western Sichuan have a range of K3.34 to K17.09‰. The 3 He/ 4 He ratios exhibit a wide range from 1.5!10 K8 to 3.63!10 K6 .…”

Section: Discussionmentioning

confidence: 96%

“…Spring waters in the Kangding district chemically belong to the types Na-HCO 3 or CaNa-HCO 3 Cl; their PH values have a narrower range of 6.32-7.2, a higher partial pressure of carbon dioxide (Table 2), and d 13 C values of carbonate (3‰) and travertine (0.9-6.9‰) (Liu et al, 2000). The carbon isotopes fractionate between the pairs of CO 2 and CO 3 2K , CHO 3 K and CO 2 , CO 3 2K and CHO 3 K with values of 8.2, 5.5 and 2.6‰, respectively (Emrich et al, 1970).…”

Section: Sources Of Heat and Gases In The Fault Zonesmentioning

confidence: 99%

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Helium and carbon isotopic compositions of thermal springs in the earthquake zone of Sichuan, Southwestern China

Cheng

Zhang

et al. 2006

Journal of Asian Earth Sciences

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Section: Discussionmentioning

confidence: 96%

Section: Sources Of Heat and Gases In The Fault Zonesmentioning

confidence: 99%

Helium and carbon isotopic compositions of thermal springs in the earthquake zone of Sichuan, Southwestern China

Cheng

Zhang

et al. 2006

Journal of Asian Earth Sciences

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“…The average δ 13 C value in the calc-sinters in this paper is 3.18‰, close to the value of Huanglonggou (2.03‰-3.66‰) in Sichuan Province. The latter was influenced by deep strata in the Huanglonggou region [7] .…”

Section: Calc-sinters In Lakesmentioning

confidence: 99%

Formation mechanisms of megadunes and lakes in the Badain Jaran Desert, Inner Mongolia

et al. 2006

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Field observations demonstrate that calc-sinters occurred in the lakes of Badain Jaran Desert. 87 Sr/ 86 Sr ratios, 14 C, δ 13 C and mineral compositions of calc-sinters, and 3 He/ 4 He, 4 He/ 20 Ne, δ 18 O, δ D, pH and TDS of water from springs and lakes are analyzed in detail. The results indicate that the lake water is supplied through deep fault zone. The "kernel" of stabilized dunes in the Badain Jaran Desert perhaps consists of calc-sinters and calcareous cementation layers. Deep-seated groundwater effuses from this "kernel" and recharges to lakes in desert. Precipitation and snowmelt water from the Qinghai-Tibet Plateau is fed into the Badain Jaran Desert, Gurinai, Wentougaole and Ejinqi areas through the Xigaze-Langshan Fault zone. The isotopic compositions of groundwater in the Alax Plateau are abnormal due to the strong evaporation of the Gyaring and Ngoring lake water in the headstream of the Yellow River. Groundwater dissolves dissoluble fractions of rocks during its transportation through the fault zone and flows out of the mouth of spring in the Badan Jaran Desert. The dissoluble fractions are finally developed into calc-sinters and calcareous cementation layers around the spring. Calci-sinters are gradually largened and eventually emerge on the surface of lake water. Eolian sands accumulate on the surfaces of calc-sinters and calcareous cementation layers, and eventually develop into dunes. Invasion of magma causes an increase in the temperature of groundwater within the faults. Groundwater evaporation provides water vapor for the formation of humid stabilized dunes during its upwelling. Rhizoconcretions found in Yihejigede indicate that the dune was formed and remained immovable 4700 years ago. The height of the megadunes is proportional to thermal quantity carried by the groundwater.

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“…According to the field observations, the dilution of the rainwater took effect via overland flow formed after heavy rainfall in rainy season. The overland flow influenced by soil CO 2 could have much lower d 13 C values than that of the spring S1-3 with endogenic CO 2 origin (Liu et al, 2000(Liu et al, , 2003. It recharged into the canal (Fig.…”

Section: Wet-dry Seasonal Variations Of Canal-water Chemistrymentioning

confidence: 97%

Wet–dry seasonal and spatial variations in the δ13C and δ18O values of the modern endogenic travertine at Baishuitai, Yunnan, SW China and their paleoclimatic and paleoenvironmental implications

Sun

Liu

2010

Geochimica et Cosmochimica Acta

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Geochemical features of the geothermal CO2-watercarbonate rock system and analysis on its CO2 sources

Cited by 31 publications

References 4 publications

Helium and carbon isotopic compositions of thermal springs in the earthquake zone of Sichuan, Southwestern China

Helium and carbon isotopic compositions of thermal springs in the earthquake zone of Sichuan, Southwestern China

Formation mechanisms of megadunes and lakes in the Badain Jaran Desert, Inner Mongolia

Wet–dry seasonal and spatial variations in the δ13C and δ18O values of the modern endogenic travertine at Baishuitai, Yunnan, SW China and their paleoclimatic and paleoenvironmental implications

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