MINERALS FOR THE PARIS EXHIBITION.—GILPIN. 261 
the Strait of Northumberland. The deposits near Pictou and 
River John have received some attention and will probably prove 
sources of this metal. At Dalhousie Mountain a good deal of 
surface exploration has been done on a vein from 2 to5 feet 
wide carrying copper pyrites. Samples have shown up to 19 
per cent. of copper and about $26.00 of gold per ton. 
It may be anticipated that where the Devonian strata of 
this district are intersected by dioritic and granitic dykes oppor- 
tunity will be afforded for copper ores, in some cases, of 
commercial value. The rocks referred to appear again in the 
southern part of New Annan, and indications cf copper ore are 
wide spread in quartzites and felsites associated with dioritic 
dykes, ete. 
Developments bave been made at New Annan, on the East 
Branch of the French River, about five miles from Tatamagouche 
Station. The property being developed presents a bed about 
four feet thick, carrying stringers of black sulphide and carbonate 
with nodules of various copper sulphides in a fine sandstone 
conglomerate resting on a blue clay floor. Similar deposits also 
occur at the Palmer mine, near Wentworth. Here the bed is 
about ten feet thick and much mixed with clay, The quality of 
these ores varies very much, according to the state of concen- 
tration reached in the process of formation. Samples can be 
had running up to 50 per cent of copper, with gold and silver 
in varying amounts. It is expected that these deposits and 
others of a similar character scattered from Amherst to Pictou 
will furnish material for the smelter at Pictou. More extended 
development will be required to determine this point. It is, 
however, extremely probably that the older rocks lying to the 
south of the earboniferous will yield deposits of ore larger and 
more uniform in quality. 
Copper pyrites also occurs on the Portapique River, Col- 
chester Co., in a stratum, presumably of Devonian age, over a 
tract several hundred feet wide and a mile in length. Samples 
show up to 20 per cent. copper, with traces of gold. 
