IN RELATION TO MINING I'OLICY. WOODMAN. 1G9 



iiudertake it. Indeed, tliere .seems to be no other way to in- 

 crease greatly tlie known area of productive territory. 



Let us turn next to the second part of the problem — the 

 relationships of the leads themselves. Just as among many 

 geologists there has been an unfortunate tendency to correlate 

 rock series with one anotlier at a distcince upon purely litho- 

 logical resemblances, which in reality may be repeated time and 

 again in the long history of the world, jvist so some economic 

 men have thouglit it po.ssible that bedded leads in diti'erent 

 districts might be the same. And it would be a valuable piece 

 of information if we could verify it. This view is an old one, 

 earlier held more strongly than of late ; and many of you dis- 

 believe in it. Nevertheless, as questions and assertions on the 

 point have arisen often, it is necessary to discuss it briefly. 

 Resemblances in the cpiartz, or arrangement of the gold, or 

 simihyity in structural relations and intervals of the leads- 

 have all been used as arguments in favor of tlieir supposed 

 continuity from one district to anotlier. Perhaps the nearest 

 points between which such correlation has been attempted are 

 at Moose River, between the main settlement and the part called 

 " West Mine." A careful survey has led the author to believe 

 that the leads which plunge westward from the main settlemtnt 

 cannot possibl}' reappear at the western locality. But this is 

 an isolated instance, although admittedly favorable to possible 

 continuity. 



In order to view the problem impartiall}% let us see what 

 evidence can be had from several districts, individually and 

 collectively. One of the most instructive is Caribou. Here are 

 many bedded leads, lying in a zone just below tlie contact of 

 the lower formation with the black slates, the so-called Halifax 

 formation, above. Tliis region is, in fact, an ellipse of the 

 former completely surrounded by the latter, owing its existence 

 to the fact that a large syncline of the slates has been puckered 

 up by an anticline in the middle, the latter bringing older 

 rocks to the surface. ()n the south and east, at distances of a 



