82 
SIMPSON : THREE DEEP BORINGS AT HALIFAX. 
Depth 
Total 
BoVed ^^«Pth froiu 
sui-face. 
ft. in. ft. iiu 
The well, 6 feet diameter, may be taken 
to be sunk entirely in and through 
the Rough Rock (the top rock of the 
Millstone Grit series) and the accom- 
panying Flag Rock at its base ; the 
water would be held by the Black 
Shale below 
1. Black Shale 
2. Hard Rock Bind . . 
3. Black Shale 
4. Hard Light Rock Bind 
5. Black Shale 
6. Hard Light Shale . . 
7. Blue Shale . . 
8. Light Rag . . 
9. Blue Shales and Rag 
10. Light Shales 
11. Blue and Black Shales, with occasional 
admixture of Light Rag 
12. Fine Hard White Sihceous Sandstone, 
with carbonaceous matter in upper 
part 
13. Black Shales 
14. Hard White Grit, with slight admixture 
of carbonaceous matter, as if a small 
Coal Band had been passed through 
at top 
15. Darker Rock, not quite so fine and hard 
as above . . 
16. Black Shales, with thin bands of Sand- 
rock 
17. Impure Coal 
18. Hard Siliceous Rock, with'Jcarbonaceous 
admixture, in all probabihty "Galliard" 
131 
0 
6 
0 
137 
0 
7 
0 
144 
0 
0 
6 
144 
6 
5 
6 
150 
0 
4 
0 
154 
0 
3 
3 
157 
3 
1 
0 
158 
3 
3 
9 
162 
0 
13 
6 
175 
6 
1 
8 
177 
2 
L31 
4 
308 
6 
16 
6 
325 
0 
11 
0 
336 
0 
26 
0 
362 
0 
64 
0 
426 
0 
36 
6 
462 
6 
1 
0 
463 
6 
44 
6 
508 
0 
