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Liushao Feng, Zhang Guowei, P. L. Heller. Development of the Cenozoic Basin in Xunhua - Guide Areas and Evidences on The Proliferation of the Plateau [J]. Science in China Series D: Earth Sciences,2007, 37 (S1): 235-248. (in Chinese) APPENDIX Figure 1 Tectonic sketch map of the Guide Basin Note:1 - Quaternary sand and gravel; 2 - Neogene mudstone and siltstone; 3 - Paleogene mudstone and siltstone; 4 – Cretaceous stratum; 5 - Jurassic stratum; 6 - Triassic stratum; 7 - Permian stratum; 8 – Sinian stratum; 9 – Indosinian intrusive rocks; 10 - Pressure-shear fracture; 11 – Tensional-shear fracture; 12 - the nature of fracture is unknown; 13 - speculated fault; 14 - anticline; 15 - Syncline; 16 - hot Springs; 17 - stratigraphic boundary Figure 3 Isoneph lines of F- content in thermal groundwater of Guide Basin (in a plane of 200m depth) Note: 1 - Quaternary sand and gravel; 2 - Neogene mudstone, muddy sandstone; 3 – Borehole and its number (the numerator for fluoride concentration, mg/L; denominator for groundwater temperature, ℃); 4 - Temperature isoneph line (figures for temperature, ℃); 5 - isoneph line of fluoride concentration (figures for the concentration, mg/L); 6 - compression fractures; 7 - tensional fractures Figure 2 Relationship curve between borehole and thermal groundwater temperature in Guide Basin Figure 4 Relationship curve of groundwater temperature and fluoride ion content in Guide Basin Table 1 Chemical Composition Of Surface Water, Phreatic Groundwater, And Geothermal Artesian Water In Guide Basin (Unit: Mg/L) K+
Na+
Ca2+
Mg2+
Cl-
SO42-
HCO3-
HBO2
F-
As
pH
TDS (g/l)
Temp. (℃)
Surface Water
7.4
7.4
51.4
9.2
7.2
24.6
178.7
0.00
0.00
0.00
7.8
0.19
14.0
Pheatic GW.
2.8
21.5
74.6
13.1
26.4
49.4
242.3
0.18
0.00
0.00
7.78
0.32
9.5
Qunaihe Thermal Spring
57.0
543.0
38.8
0
764.8
251.1
68.7
21.20
8.00
8.3
1.90
86.0
Zhacangsi Thermal Spring
24.1
295.0
56.0
0.5
333.9
506.4
19.8
29.05
8.50
8.9
1.31
93.5
Thermal Wells in The Three River Plain
0.79~3.85
0.32~4.57
0.112~0.318 Table 2 The list of basic characteristics of high fluoride thermal groundwater in Guide Basin Borehole No.
Depth (m)
Sample Depth (m)
Temp. (℃)
pH
F- (mg/l)
As (mg/l)
K+ (mg/l)
Na+ (mg/l)
Ca2+ (mg/l)
Mg2+ (mg/l)
Cl- (mg/l)
SO42- (mg/l)
HCO3- (mg/l)
CO32- (mg/l)
1
282.17
92.01
19.40
8.70
2.40
2.90
226.00
6.30
3.00
87.30
81.70
361.90
6.50
121.59
23.60
8.50
3.30
3.70
280.00
8.40
5.00
205.50
77.80
336.70
3.70
282.17
27.60
8.20
2.55
3.80
291.00
9.70
5.30
236.50
73.80
342.50
0.00
2
300.32
209.97
30.50
8.74
3.50
2.70
206.30
4.80
2.40
120.90
65.90
280.90
5.80
300.32
39.70
7.92
3.60
3.60
267.20
9.80
3.40
192.70
83.50
330.30
0.00
3
316.69
33.10
7.35
2.70
11.70
356.40
48.80
2.40
406.10
286.40
88.70
0.00
4
251.25
133.72
18.50
8.6
2.64
0.112
2.40
180.60
9.30
3.40
128.90
84.20
193.70
4.10
251.25
26.50
8.65
4.00
3.10
263.00
8.00
3.30
224.60
82.00
251.40
7.30
5
322.91
220.47
25.80
8.55
3.75
0.296
3.30
261.80
5.90
3.30
162.30
44.80
384.30
6.70
322.91
30.20
8.41
3.25
3.80
283.50
7.60
2.60
149.40
74.20
411.50
3.30
6
293.38
32.50
8.72
2.32
1.50
142.80
5.90
0.30
76.50
90.30
145.30
1.70
7
351.24
165.58
26.00
8.45
3.00
1.80
183.60
9.30
0.80
141.70
115.70
89.50
6.40
322.54
35.00
8.20
2.88
2.00
208.40
15.00
1.20
207.70
131.60
85.70
0.00
8
318.48
130.33
22.80
8.70
4.50
0.318
2.30
237.20
4.40
0.60
98.70
114.70
320.50
9.90
295.86
34.50
8.41
5.70
2.80
268.60
4.70
1.20
138.00
109.40
362.40
1.20
9
404.41
193.4
25.70
8.50
2.44
2.50
186.50
10.20
1.20
158.70
120.60
119.90
0.70
404.36
41.40
8.89
3.20
2.40
168.80
8.90
1.00
139.8
90.70
106.40
9.00
10
385.63
110.18
18.50
8.62
4.35
1.30
235.50
6.10
0.60
15.5
136.40
248.90
12.30
272.91
31.00
8.75
4.50
1.90
245.80
4.80
0.70
135.8
97.80
277.90
19.40
376
36.00
7.89
2.75
1.40
222.50
11.30
1.70
136.9
111.00
278.90
0.00
12
470.41
120.19
20.20
8.88
1.37
1.80
130.80
7.90
2.00
84.1
107.3
97.20
2.90
253.10
28.00
8.65
1.65
1.80
139.60
11.10
4.00
110.8
95.9
103.60
1.50
460.00
45.90
8.8
2.86
2.90
158.00
10.30
0.60
149.1
92.1
86.10
3.20
13
413.23
229.10
31.00
8.70
1.12
1.70
113.20
6.90
0.70
66.4
87.7
103.50
2.20
304.41
32.60
8.80
1.21
3.10
110.00
6.70
1.00
62.4
88.6
104.60
2.20
14
266.88
114.05
16.00
8.74
1.11
1.10
141.00
9.30
0.50
93.9
128.7
82.00
3.30
266.88
27.50
8.80
1.86
1.10
141.40
8.00
0.30
105.6
88.9
97.80
4.00
15
272.50
164.83
19.00
8.52
1.61
1.10
250.00
12.20
0.60
185.9
181.3
110.90
8.50
271.48
36.00
8.71
3.30
3.40
192.00
9.00
0.80
146.1
118.7
144.40
4.80
16
218.06
216.00
24.50
8.50
1.52
1.60
190.80
9.10
0.90
135.6
151.9
101.30
5.10
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