26 L. W. BAILEY ON THE 



Scotia gold mining, has not been investigated here. While, then, the failure to obtain 

 successful results in the case mentioned is discouraging, it is not conclusive, and is offset 

 by the actual discoveries made by the officers of the Maine Survey both here and in 

 Calais. Under these circumstances, and in view of the close resemblances which have 

 been pointed out in the age, character and associations of the rocks of the district to those 

 of Nova Scotia, we should certainly recommend further and more thorough explorations. 



It may not be without A'alue to notice in this connection a further feature in which 

 the geology of this part of New Brunswick presents features similar to that of a portion 

 of Nova Scotia known to contain gold. In the vicinity of Yarmouth, in the latter pro- 

 vince, a series of highly chloritic, felspathic and hornblendic rocks is exposed, which 

 have been described at some length by Dr. Selwyn in the ' Report of Progress of the 

 Geological Survey' for 1870-71. With the chloritic schists black, earthy, pyritous slates 

 occur, as well as masses of crystalline, epidotic diorite. An analysis of the green schists 

 by Dr. Hunt showed them to contain traces of chromium, as they also occasionally contain 

 crystalline grains of magnetic and titauiferous iron. On the authority of the author last 

 named they are compared with the rocks of the Huronian system around lakes Huron 

 and Superior, as well as with those of the so-called " altered Quebec G-roup," now also 

 known to be of pre-Cambrian and probably Huronian age. Returning to New Bruns- 

 wick, the rocks which immediately underlie the mica-shists, quartzite and black slates, 

 described in a previovis section, are found to be in part composed of actinolyte schists and 

 in part of stratified chloritic and dioritic rocks, of which the latter, as assayed by Dr. 

 Hunt, showed the presence of both chrome and nickel. Pyrrhotite and arsenopyrite are 

 also met with, the former in such abundance as to have caused a mine to be opened on it. 

 The resemblance of these rocks to those of Nova Scotia is very striking, and if, as has been 

 supposed, they are also to be referred to the Huronian system, the overlying beds in each 

 case being Cambrian, the parallelism is complete. It may be added that in the Yarmouth 

 region, as in that of St. Stephen, in New Brunswick, specimens of quartz assayed by Dr. 

 Hunt failed to show any traces of gold, though, since the assays, auriferous veins have 

 been observed at several points. 



A second locality which has been mentioned as probably gold-bearing is that of the 

 valley of the Nashwaak river above Stanley. Here the general aspect of the rocks recalls 

 portions of the auriferous coast-belt of Nova Scotia. Black, pyritous slates constitute a 

 noticeable feature, and with these, apparently underlying them, are staurolite mica-schists 

 and fine gneisses, which rest upon and are penetrated by intrusive granites. G-rey slates 

 and quartzites also occur, and in all the beds quartz veins are abundant, though little has 

 been done to test their character. The rocks form a portion of a belt extending across a 

 large part of the breadth of the province, and at various points exhibit like features. 



The rocks on the northern side of the granite axis are still more like those of the 

 Nova Scotia gold series. While the garnetiferous and staurolitic mica-schists are, as on 

 the southern side, sometimes directly cut by the granitic mass, at others we find inter- 

 vening between them and the granite, as at Yarmouth and as about St. Stephen, heavy 

 beds of dioritic and hornblendic schists, while above are black slates, associated, as before, 

 with grey slates and quartzites. Both north and south of the granite the slates hold 

 quartz veins carrying sulphurets of antimony, lead, copper and molybdenum. 



