INDEX 



Adams, cited, i6. 



Adirondack region, geologic feat- 

 ures, ^'J. 

 Ambonychia radiata, ZZ- 

 Ami, cited, 22. 

 Amphibolites, 16. 

 Andesin, 14, 20. 

 Anorthoclase, 14, 15, 17, 20. 

 Apatite, 14, 17, 21. 

 Atwater creek, 31, 32, 55. 

 Augite, 20. 



Beekmantown limestone., 7, 22, 43, 



Bell, Robert, cited, 50. 



Biotite, II, 13, 14, 16, 17, 20, 21, 58. 



Birdseye limestone, 25. 



Black river, 8, 15, 22, 27, 30, 49, 51, 



53. 54, 55, 56. 

 Black river gorge, 35. 

 Black River limestone, 7, 25, 2^, 27- 



28, 30, 45, 47, S3; quarries, 56. 

 Black river valley, 45, 46, 47, 50. 

 Boonville, 35, z^, 50, 53, 54- 

 Boonville quadrangle, 52. 

 Brantingham, 51. 

 Brantingham lake, 14. 

 Brigham, cited, 45, 46. 

 Bronzite, 12. 

 Building stone, 56-57. 



Calcite, 58. 



Canajoharie, 27, 28, 31. 



Carthage, 37, 54. 



Catspaw lake, 51. 



Central Square, 21, 31, 32, 34, 35, 



37, 42, 43. 

 Chamberlin, cited, 44, 45. 

 Chazy limestone, 2.6. 

 Chittenango, 34. 

 Chlorite, 14. 

 Collinsville, 30. 

 Constableville, 31-32. 

 Cumings, cited, 30. 

 Cushing, cited, 6, 14, 18, 21, 22, 24, 



26, 40, 43-44, 45, 58. 

 Cyrtolites ornatus, 33. 



[59I 



Davis, cited, 54. 



Denley, 13, 14, 19, 24, 27, 36, zi, 45, 



53, 55, 57. 

 Diana-Pitcairn area, 10, 15, 17. 

 Dip of Paleozoic formations, 34-35. 

 Doigeville shales, 29, 30. 

 Donnattsburg, 14, 41. 

 Douglass creek, 30. 

 Drainage, 8-9, 55. 

 Dry Sugar river, 28. 



East Martinsburg, 19, 35, 36. 

 Economic products, 56-58, 

 Endoceras proteiforme, 32, 33. 

 Enstatite, II, 12. 

 Erosion of sedimentaries, 47-51. 

 Erosion of the Precambric rocks, 46. 

 Erratics, 53. 

 Eskers, 52. 



Fairchild, H. L., cited, 44. 



Fall brook, 8, 13, 18. 



Faults, 35-36; in Mohawk valley, 7. 



Feldspar, 11, 12, 14, 16, 17, 20, 58. 



Fish creek, 8. 



Folds, 35-36. 



Forestport, 52, 53. 



Fowlersville, 9, 12, 13, 15, 19, 40, 41. 



Frankfort slate and sandstone, 33. 



Fucoides demissus, 25. 



Fulton, 32. 



Fulton lakes, 10. 



Galena, 58. 



Garnet, 10, 11, 14, 19, 20, 58. 



Geologic features, 6-7. 



Glacial boulders, 53, 



Glacial geology, 44-46. 



Glacial lakes, 53-55- 



Glacial sand plains or terraces, 51- 

 52. 



Glamorgan granite, 16. 



Glenfield, 14, 36, 37, 41, 45, 57. 



Gneiss, garnetiferous, 58. See also 

 Granitic syenite gneiss ; Grenville 

 gneiss ; Syenite gneiss ; Syenite- 

 Grenville mixed gneisses. 



