Quantitative microscopic determination of chalcopyrite, chalcocite, bornite, and pyrite in a porphyry ore

Author:	Head, Royden Edward,
Year:	1921
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:2257
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	2257
Subjects:	Chalcopyrite
	Pyrites
	Metallurgy
	Copper sulfide
	Chalcocite
	Bornite
	Porphyry
Link:	https://hdl.handle.net/2027/mdp.39015086555482