INDEX 



171 



Moriah, 11, 93, 141; titaniferou3 



ores, 146. 

 Moriah Center, 11, 82, 93. 

 Moriah Corners, 11, 150, 

 Moriah marble, 23, 150, 151. 

 Morley, E. W., analyses by, 2)^, 



46, 60. 

 Moss ponds, 16. 

 Mt Tom, 146. 

 Mullen bay, 69, 72, 7z, 74- 

 Mullen brook, 74, 88, 89, 90. 

 Munroe, H. S., cited, 129. • 



Nason, F. L., cited, 105, 164. 



New Pond, 14, 43. 



New Pond type, areal distribu- 

 tion, 87. 



New Russia, 11, 18, 35, Z7, 86, 95, 

 134, 136; small pits near, 135. 



Newland, D. H., cited, 134, 135, 

 164. 



Nichols Pond magnetite, 132-33. 



Nicholson, H. A., cited, yz- 



Nigger Hill mine, 134-35- 



Nippletop, altitude, 12. 



Noble mine, 133-34, I35- 



Norite, 54. 



Norton, S., acknowledgments to, 

 105; cited, 164. 



Oak hill, 35, 136, 148. 



Oak hill pit, 145-46. 



Ogilvie, I. H., cited, 17, 18, 95, 

 164. 



Old bed ore bodies, 106, 122, 125, 

 126, 128, 129; figures, 107, 109, 

 III, 113, 115, 117, 119, 121, 123. 



Oligoclase, 29, 123, 125, 155. 



Olivine, 54, 60, 62, 138, 140, 141, 

 142, 143, 144, 145, 146; occur- 

 rence, 159. 



O'Neill shaft, 106, 120, 122. 



Ophicalcite, 23, 150. 



Ophileta, 66. 



Orchard-gneiss, 123. 



Orthidium lamellosum, 69. 



Orthis costalis, 66. 

 platys, 69. 



Orthoceras sp. ind., 70. 

 rectiannulatum, yz- 



Orthoclase;, Z3, 34, 36, 39, 4i» 46, 

 50, 51, 56, 62, 80, 1 01, 123, 124, 

 125, 140, 14s, 146, 155. 



Paleocystites tenuiradiatus, 70. 



Paleozoic strata, 62-74; faults in,, 

 75; areal distribution, 88-92. 



Parastrophia hemiplicata, y^y 74- 



Pease quarries, 23, 150. 



Peet, C. E., cited, 93, 96, 164. 



Pegmatite, 26, 28, 125-26, 149. 



Penfield pond, 82. 



Phlogopite, occurrence, 159. 



Phosphorus, percentages of ores 

 in, 147. 



Phylloporina incepta, 66. 



Physiography, 11-20, 



Phytopsis tubulosus, 72. 



Pilfershire, 23, 83, 103. 



Pilfershire mines, 78, 105. 



Pirsson, L. V., cited, 32. 



Pitkin bed, 135. 



Plaesiomys platys, 69, 70, 71. 



Plagioclase, 26, 27, 28, 29, 30, 31, 

 33, 34, 3^, 39, 41, 43, 46, 52, 53, 

 54, 60, 80, loi, 105, 122, 123, 139, 

 140, 142, 144, 145, 146, 159. 



Pleasant valley, 14, 19, 144. 



Plect'oceras sp. ind., 70. 

 sp. (probably undatus), 73. 



Plectorthis plicatella, y2>- 



Pliomerops canadensis, 70. 



Port Henry, 11, 14, 62, 63, 75, 82, 



88, 89, 99, 150. 



Port Henry quadrangle, area, 10. 



Porter, altitude, 12. 



Potash, 30, 51, 52. 



Potsdam, 64. 



Potsdam quartzite, 94. 



Potsdam sandstone, 21, 62-65, 75, 



89, 90, 91. 



Precambric formations, 21; faults 



in, y6. 

 Ptychoparia minuta, 64. 

 Pumpelly, R., cited, 165. 

 Putnam, B. T., cited, 79, 100, 104, 



134, 135, 164. 

 Putnam mine, 134. 

 Pyrite, occurrence, 159. 

 Pyroxene, 22, 28, 30, 31, 36, 39, 43, 



