OCCURRENCE OF TIN IN NOVA SCOTIA. PIERS. 249 



closely examined.* In the neighborhood of New Ross, the 

 vicinity of the sedimentary rocks, adjoining the granite, 

 towards Wallabach lake, might well be prospected. f 



It may be noted that sphalerite and tourmaline are some- 

 times mistaken for cassitrite, as I have found the case in Nova 

 Scotia, but the unusual weight and hardness of the latter will 

 probably be the readiest way for the prospector to roughly 

 distinguish the mineral in the field. At Lake Ramsay the pros- 

 pectors have often mistaken wolframite for tin ore. Cassiterite 

 may be determined by the blow-pipe, by taking a small quantity 

 of the mineral, very finely powdered, thoroughly mixing it with 

 six or eight times its volume of sodium carbonate (baking 

 soda) and a little powdered charcoal, and fusing this mixture 

 on charcoal before the blow-pipe with the reducing flame, when 

 a button of metallic tin will result. 



* Prospectors might well examine, for traces of tin, the reported chalcopyrite- 

 bearing granite of the Alton road which leads north from the Dalhousie road. 



tOn 24th June, 1908, there was received at the Provincial Museum from Dr. Henry 

 W.Cain, a specimen of cassiterite with chalcopyrite, pyrite and sphalerite from a vein- 

 like deposit in granite on the north-west side of Wallabach stream, (a branch of Gold 

 river,) about half way between Camp and Harris Lakes, and nearly 1 mile south-west 

 of south end of Wallabach Lake, on farm of Henry Meister, 3 miles north of New 

 Ross, Lunenburg Co. It was reported that the deposit had been found late in the 

 summer of 1907, by Ernest Turner of Mill Road, New Ross, and the rights are now 

 held by Mr. Turner, Mr. Meister, and Dr. Cain. Other specimens brought in later 

 contained a little epidoteand talc. Ore from this deposit assayed by A. L. McCallum 

 of Halifax, gave the following result : silica (Si O2), 2.50%; cassiterite (Sn Q2), 47 00% ; 

 chalcopyrite (Cu Fe S2), 38.00% ; Zinc (Zn), 12.25%. This ore differs in chaiacter from 

 that at Reeves's. 



PROC. & TRANS. N. S. INST. Sci., VOL. XII. TRANS. 17. 



