TABLE I
SELECTED ANALYSES OF W A T E R FROM D E S E R T
Sample
0 (analysis in ppm)
Solute
1
2
3
4
5
6
7
8
9
10
11
Si0 2
Ca
2 +
Mg2+
N a
+
K+
HCO3S 0 4
2 -
ciN 0 3 -
B
Total dissolved solids
36
7
0.5
160
8
248
96
53
4
—
487
4
295
58
474
61
63
415
1130
0.3
18
2469
27
18
4
54
2 . 8
154
28
15
1.2
—
224
21
456
113
47
—
200
1460
15
0.2
—
30
98
15
29
0.4
409
16
12
0.0
0.16
402
16
86
44
94
12
165
112
153
—
—
712
6
43
26
136
—
—
38
200
—
—
1920
—
157
128
517
—
132
748
763
—
—
2,510
—
761
83,400
19,000
27,200
1,600
34,000
262,000
—
—
428,000
—
1,300
1,000
82,200
4,900
—
3,500
156,500
—
5
—
30
3
3
385
31
424
0
137
—
—
ion
a Sample 1 is from fresh well water from dry desert area of northern Chile (Castillo, 1960); 2, brackish well water from dry desert
area of northern Chile (Castillo, 1960); 3, fresh water from spring in rhyolite, Socorro, New Mexico (Hall, 1963); 4, brackish water
from spring in rocks with gypsum and calcite, near Socorro, New Mexico (Hall, 1963); 5, fresh water from well in coastal aquifer,
northwestern Peru (Schoff and Sayan, 1969); 6, fresh water from shallow well in coastal sand dunes, Sitre, Libya (Ogilbee, 1964);
7, brackish water from well in Nubian sandstone of central Sudan (Rodis et al., 1968); 8, brackish groundwater from Tafllalt Region;
Morocco (Margat, 1953); 9, brine from Saoura Wadi System, Morocco (Blanc and Conrad, 1968); 10, brine from Bonneville Salt,
Flat, Utah (S. N. Davis, unpublished, 1966); 11, water from Great Artesian Basin of Australia, Corryaninna Bore (Ward, 1946).
I. HYDROGEOLOGY OF ARID REGIONS
19