CONTENTS. |x 



H 



VI. 



(H.) 



PAGE 



CHEMICAL CONTRIBUTIONS TO THE GEOLOGY OF CANADA, BY 



CHRISTIAN HOFFMANN 1_25 



Miscellaneous Minerals. 



Cyanite from the North Thompson Riv|r, British Columbia, 



analysis of. 1 



Lazulite from the Churchill River, District of Keewatin, analysis 



of 



Graphite, disseminated, from Inverness County, Nova Scotia, 



analysis of 2 



Graphite, disseminated, from the "Split-Rock Plumbago Mine," 



New Brunswick, analysis of 3 



— , adaptability of the graphite prepared from this 



rock for electrotyping and manufacture of lead-pencils 4 



Infusorial earth from King's County, New Brunswick, analysis of. 4 



, economic uses of 6 



Kaolin, from County of Two Mountains, Quebec, analysis of 6 



Alunogen from the « Scotia Mine," Cumberland County, Nova 



Scotia, analysis of. i 8 



Natural Waters. 



Water of the Assiniboine, analysis of 10 



of the Red River, analysis of 10 



Coals, — Bituminous coal and Brown coal or Lignite. 



From Cumberland County, Nova Scotia, analysis of 11 



near Fort McLeod, North West Territory, analysis of 12 



the Skeena River, British Columbia, analyses of. 12 



the Watsonquah River, British Columbia, analysis of 14 



Iron Ores. 



Magnetite from Queen Charlotte Islands, British Columbia, 



partial analysis of. 14 



from Pickerel River, Ontario, partial analysis of 15 



from Magnetite Island, Knee Lake, District of Kee- 

 watin, partial analysis of 15 



from County of Halliburton, Ontario, partial analysis of. 15 



Bog iron ore from Thurlow, Ontario, estimation of iron in 15 



Copper Ores. 



Specimen from Spar Island, Lake Superior, estimation ot copper 



in 16 



Specimen from Echo Lake, District of Algoma, estimation of 



copper in 16 



