DAETON.] 



NORTH AMERICAN GEOLOGY. 



403 



Geologic Philosophy — Continued. 

 Chbmic Geology (excepting metamor- 

 phism and rook decay) — Continued. 



1882, Marquette iron region, School 



of Mines. 



Ste. Genevieve copper deposit, 

 Mo., Nicholson. 



Gold in Potsdam of Black 

 Hills, Devereux. 



Guadaloupe quicksilver min- 

 ing, Cal., Wagoner. 



Ankerite veins of Nova Scotia, 

 Louis. 



Summary of geology of Com- 

 atock lode, Becker. 



Vein formation in progress at 

 Sulphur Bank, Cal., Le Conte 

 and Rising. 



Copper region of northern 

 Texas, Furman. 



Geology and veins of Tomb- 

 stone, Ariz., Blake, W. P. 



Chert rocks of sub-Carbonifer- 

 ous, Haworth. 



Ore deposits of southwestern 

 Wisconsin, Chamberlin, T. 0. 



1883. San Juan region, Colo., Com- 



stock. 

 Mines and mills of Gilpin 



County, Colo., Rogers, A. N. 

 Geology of Silver King mine, 



Ariz., Blake, W. P. 

 Geology of Lehigh and North- 

 ampton counties. Pa., Lesley, 



J. P. 

 Genesis of crystalline iron ores, 



Julien, Newberry. 

 Geology and copper of Adams 



County, Pa., Bailey, J. T. ; 



Frazer. 

 Genesis of ore deposits, Keck. 

 Copper rocks of Lake Superior, 



Irving, R. D. 

 Mineral vein formation at 



Steamboat Springs, Le Conte. 

 Decay of rocks, Hunt, T. S. 

 Filling of veins and cavities at 



Keweenaw Point, W a d s - 



worth. 

 General geology of Wisconsin, 



ChamberUn, T. C. 

 Mineral deposits on western 



part of Blue Ridge, Fontaine. 

 Ores of Rio Grande County, 



Colo., Hills, R. C. 



Geologic Philosophy — Continued. 

 Chbmic Geology (excepting metamor- 

 phismandrock decay) — Continued. 



1883. Iron ores of Wisconsin, Irving, 



R. D. 

 Veins in Black Hills, Dak., 

 Blake. 



1884. Relations of mineralbelts of the 



Pacific Slope to the upheav- 

 als, Becker. 



Geology of the Rocky Moun- 

 tain district, Emmons, S. F. 



The deposition ores, Newberry. 



Copper and iron districts of 

 Lake Superior, Wadsworth. 



Geology of Wisconsin by Cham- 

 berlin, Dana, J. D. 



Genesis of copper, Hallowell. 



Ruby Hills mines. Eureka, 

 Nov., Science. 



Iron ores of Santiago de Cuba, 

 Kimball. 



Making of limonite ore beds, 

 Dana, J. D. 



Apatite of Canada, Hunt, T. S. 



Ore deposition by replacement, 

 Emmons, S. F. 



Silver-lead deposits of Eureka, 

 Nov., Curtis, J. S. 



Ore deposits of Summit dis- 

 trict, Hill, R. C. 



Occurrence of gold in Brazil, 

 Derby. 



Fallacies regarding metal de- 

 posits, Williams, A. 



Silver and iron in Nuevo Leon 

 and Coahuila, Mexico, Kim- 

 ball. 



Structure of copper belt of 

 South Mountain, Frazer, P. 



Lateral secretion theory of ore 

 deposits, Wadsworth. 



1885. Study of thinolite of Lake 



Lahontan, Dana, E. S. 

 Tilly Foster mine, N. Y., Rutt- 



man. 

 Manganese of Nova Scotia, 



Gilpin. 

 Progress of geology, 1883, Hunt, 



T.S. 

 Iron ores of Santiago, Cuba, 



Kimball. 

 Ueber des gangrevier von 



Butte, Montana, Rath. 



1886. Genesis of Canadian apatite, 



Kinahan. 



