I NDEX 



The superior figures tell the exact ^,lace on the page in ninths; e. g. 500'* 

 means page 500, beginning in the third ninth of the page, i. e. about one third 

 of the way down. 



Adams, Frank D., cited, 499^^, 500^, 

 5018. 



Adirondacks, topography and geol- 

 ogy, 46i'^-63-; faulted region, 4622; 

 trellised drainage, 462^; recent 

 geologic work, 4632. 



Albite, 494"\ 495^, 497*. 



Anorthosite, 483^, 485^-862, 4938, 495^, 

 500^, 5032 ; description, 498-^-500^. 



Apatite, 495*, 496^, 498', 498^. 



Augite, 497^ 497^, 498^ 498^, 498^ 

 500^. 



Biotite, 494', 4943, 4947, 4949, 4953^ 



4957, 4966, 4977, 498^ 

 Biotite schist, 493^, 495^. 

 Brigham, cited, 462*. 

 Bronzite, 497^. 



Calciferous outlier, 467^. 



Calcite, 494'^. 



Cambric drainage lines, 465^-67^. 



Chilson lake, valleys, 466^. 



Chlorite, 494^, 494'^, 496'^, 498^. 



Cirques, 476^ 



Crown Point, 470^-72^. 



Cushing, H. P., work on the geol- 

 ogy of the Adirondacks, 463^; 

 cited, 469*, 484^, 503^; mentioned, 

 483^. 



Desolate brook, 477^. 

 Diallage, 501^. 

 Dikes, 489^-90^, 503I. 

 Drainage modifications, 469'^-78'*. 



Economic geology, 503''-6'^. 

 Emmons, E. , geologic work on the 

 Adirondacks, 463^; cited, 472^, 499^. 

 Epidote, 494^, 494^, 4988. 



Faults, 4915-922. 



Feldspar, 494I, 4942, 494^, 495I, 4953, 



497*, 498s 500^ 

 Foliation, 492^. 



Gabbro, 486^-872, 4959, 498^, 503I; 

 description, 500^-1^. 



Garnets, 494^ 495*, 496^ 4982, 498*, 

 498^ 499*, 4995, 5002, 5012, 501*. 



Glacial deposits, 469'^-78*. 



Glaciology of the Paradox Lake 

 quadrangle, 465^-78*. 



Gneiss, 4792; defined, 479®; horn- 

 blende, 4792, 4939-955; quartzose, 

 summary and conclusions, 502^-35; 

 sillimanite, 4792, 48i'^-83^ 495^. 



Granite, 484^ 493^, 495^, 5032; descrip- 

 tion, 4962-975 ; summary and con- 

 clusions, 502^-35. 



Graphite, 4956, 5037-55. 



Grenville series, sediments of, 479^ 



Grooves, 476^. 



Hague, 475^-77^- 



Horicon, 4772. 



Hornblende, 4792, 494S 494^, 494"^, 



4966, 4959, 497^ 497^ 498^ 4982, 



498«. 

 Hornblende gneiss, 4792; description, 



493^-95^- 

 Hudson, north, 4775, 

 Hypersthene, 497^, 498-'', 50o5, 500^. 



Igneous rocks, summary of evidence 

 of relative age, 4872-92^; petrog- 

 raphy of, 495^-501^. 



Ilmenite, 494I, 498*^, 500^. 



Intrusives, 483^-84*; relative ages, 



503^ 

 Iron ores, 503'^. 



Joints, 492"^. 



Karnes, 4725. 



Kaolin, 494"^, 494^. 



Kemp, J. F., acknowledgments to, 

 461^; work on the geology of the 

 Adirondacks, 463^; cited, 465^, 481"^, 

 ', 4916, 50i9, 5038, 505«, 506*. 



