Page 113 - Introduction to Mineral Exploration
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96 C.J. MOON & M.K.G. WHATELEY
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Limit of
Adit Survey
N Mulberry mine
61 m 200 ppm Sn
2 92 m
3
92 m
4
1
50
●
Prosper
quarry
122 m
40 153 m
Meadfoot beds
Calc flinta
Elvan
>200 ppm Sn
0 300 m
Noranda Drill Hole
10 20 30
FIG. 5.17 Noranda Kerr Program 1971–72: soil surveys and drilling of calc silicates.
