1 82 



NEW YORK STATE MUSEUM 



ores, 154; Lyon Mountain mines, 

 121; Mineville group, 82; Mt 

 Hope mine, 39, 40; Nelson Bush 

 mine, 96; Port Leyden mine, 169; 

 Split Rock mine, 166. 



Tooley Lake, vein, 141. 



Touceda, A., analysis by, 135. 



Tracy brook, fault, 21. 



Trap, 9. 



Tremblay mine, 128. 



Trenton formation, 19. 



Trout brook, 125. 



Trout pond, 92. 



True brook, 125. 



Tunnel mountain, titaniferous de- 

 posits, 170. 



Utica shale, 19. 



Vanuxem, cited, 142. 

 Vineyard mine, 40, 41-42. 

 Vrooman ridge, Fine, mines, 30, 

 138-39. 



Walton vein, 58. 



Warren county, 8; gneisses, 14; 

 titaniferous magnetite, 147. 



Washington county, 8; gneisses, 14; 



magnetites, 23 ; mines, 37-40. 

 Watson, W. C, cited, 43, 44, 155, 



172. 

 Welch bed ore bodies, 78. 

 Wells island, quartzite, 14. 

 Wendell, analyses by, 39, 54, 55, 98, 



99. 

 West End ore bodies, 51. 

 Weston pit, Lyon Mountain mines, 



117. 

 Westport, titaniferous magnetite, T47, 



169. 

 White Flint pit, Palmer hill mines, 



100, 101. 

 Whitlock, H. P., cited, 26. 

 Williams pit, Lyon Mountain 



mines, ill, 113, 114, 118. 

 Winter mine, 90, 105. 

 Witherbee, Sherman & Co., 57, 63, 



Zircon, found in gneisses, 45, 132; 

 granites, 112; magnetites, 114; 

 syenites, 64, 65, 93. 



