818 Instruction in Geological Investigation. [Sept 
noticing a bend in the dike in the southern part of the quan 
the result of a crook in the fracture through which it rose: il 
there had been shearing motion on the fracture, the width of the 
CEA eee 
SS0 FEET” 
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Fige 
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face, EF, Fig. 6, on which breccia and fault-scratch 
mon: perhaps the faulting occurred here; if 50, otf 
demonstrated ? Before looking again at the quarry puss 
bes 
