IO2 



NEW YORK STATE MUSEUM 



Kames, 88 



Keene gneiss, 44-52; conclusion as to 

 origin of, 50; significance of dis- 

 tribution, 51 



Kemp, J. F., cited, 8, 63, 66 



Lakes, extinct, 88; existing, 91 

 Lakes and their deposits, 88 

 Ledge hill, 42, 59, 60, 75 

 Lester dam, 39, 43, 55, 83 

 Little Falls dolomite, 63, 68, 70 

 Loch Muller, 15, 19, 20, 39, 44, 59, 98 



Marcy anorthosite, 17, -52, 62, 76; 

 some examples of variations of, 

 21 ; significance of composition and 

 variations of, 23 ; relation to white- 

 face type, 24-27 



Mesozoic history, 95 



Metagabbro, 53 



Miller, W. J., cited. 8, 9 



Minerva, 5, n, 39, 43, 55, 56 



Minerva mine, 97 



Minerva stream fault, 80 



Mines and quarries, 96 



Morainic deposits, 86 



Moxham mountain, 6. 83 



Moxham pond, 41, 42 



Muller pond, 41 



Newland, D. H., cited, 8 

 Niagara brook fault, 82 

 North Creek, 5 

 North pond, 15, 58 



Osilvie, I. H., cited, 8 

 Oliver hill, 6, 19, 30, 42 

 Oliver hill gabbro stock, 57, 60 

 Oliver pond, 15, 39, 42, 82 

 Olmstedville, 5, 73 

 Olmstedville-Irishtown area, 13 

 Ore Bed mountain, 6 



Paleozoic history, 94 

 Paleozoic rock outliers, 62 

 Paradox Lake quadrangle, newly 



found outlier in, 67 

 Pat pond, 41, 42 

 Peaked hiHs, 17 

 Pfegmatite dikes, 59, 6b 

 Pine hill, 6, 42 

 Pleistocene geology. 83 

 Postglacial changes of level, 92 

 Potsdam sandstone, 63, 6&, 70 

 Precambrian rocks, 10 



Quartz syenite, 40 



Ragged mountain, 6, 19 

 Riverside, 5 

 Road materials, 99 

 Rogers brook, 64 

 Rogers pond, 50 

 Ruedemann, R., cited, 8 



Sand pond, 41 



Sand Pond mountain, 6, 19, 20, 29 



Saywood hill, 22, 55, 62 



Schroon Falls, 68 



Schroon lake, 6, 41 ; areas on shores 



of, 14 



Schroon lake faults, 79 

 Schroon lake limestone, 66 

 Schroon Lake village, 5, 39, 44, 61, 



62, 63, 68; areas northwest of, 14 

 Schroon river, 6 

 Schroon valley fault, 78 

 Severance hill, 41, 48, 62 

 Severance-Smith hill area, 19, 20 

 Sherman pond, 12, 39 

 Smith hill, 19, 20 

 South Schroon, t>, 14, 39, 40, 41, 44, 



61 



Structural geology, 71 

 Syenite, dikes of in anorthosite, 28 ; 



broad intrusive tongues of, in 



anorthosite, 29; description, 40; 



thin sections of, table, 41 

 Syenite-granite, 38, 43, Si, 74; rela- 

 tion to Whiteface anorthosite, 27; 



inclusions of anorthosite in, 30; 



absence of, from the anorthosite 



area, 32 



Texas ridge, 6, 29, 55 

 Theresa -formation, 68, 70 

 Thurman pond 1 , 39, 44, 63 

 Trap rock, 99 

 Trout brook fault, 80 



Washburn ridge, 49 



Wells, 68, 70 



Whiteface anorthosite, 18, 30, 48, 49, 

 50, 52, 53, 58; relation of syenite- 

 granite to, 27; relation to Marcy 

 type, 24-27 



Wilson mountain, 15, 30, 39, 52, 59 



Wolf pond brook fault, 82 



Wolf pond mountain, 6 



'.tun 



