vol. xx. (i) MINERAL WATERS NEAR GLOUCESTER 
43 
Water from base of Marlstone Series. 
Sodium Chloride . . 
Calcium Sulphate 
Sodium Sulphate 
Magnesium Carbonate 
Iron Carbonate (Ferrous) 
Alumina 
Silica 
Composition of mud on trough. 
Silica (Sand) 
Iron Oxide (Ferric) 
Organic Matter 
Calcium Sulphate . . 
TABLE X. 
Red Well, Matson. 
Grains per gallon. 
3-7 
36.12 
3.65 
16.31 
3.05 
.46 
1.4 
Per cent. 
. . 41.8 
27.8 
.. 18.7 
11. 7 
TABLE XI. 
Well in Cloister Garth, Gloucester. 
Grains per gallon. 
Sodium Chloride . . . . . . . . . . . . 6.12 
Calcium Sulphate .. .. .. .. .. .. 18.69 
Calcium Carbonate . . . . . . . . . . 5.5 
Magnesium Carbonate . . . . . . . . . . 5.3 
Silica . . . . . . . . . . . . . . 2.1 
Oxides of Iron and Alumina . . . . . . . . 3-78 
Sodium Carbonate.. .. .. .. .. .. 10.3 
The water contained much organic matter, both in solution and suspension. 
Depth of Well . . . . . . . . 16 feet 
Height of Parapet 
Diameter 
Mud at Bottom 
Depth of Water 
2 feet 4 inches. 
2 feet 6 inches. 
1 foot. 
4 feet. 
Well contained approximately 31 gallons. 
