GEOLOGY OF THE CONNECTICUT VALLEY DISTRICT. 



347 



839, 839 a-c, Sandstone. 



Littletoti Limestone. 

 857, " Horse" in limestone. 

 858-865, 865 a, Limestone. 

 865 b, Chlorite in limestone. 

 Other Rocks. 



866, Conglomerate. 



867, 871, Sandstone. 



North Lisbon Series of Rocks. 



893, 898, 902, 914, Limestone. 



894, 895, 897, Mica schist. 



896, 903-907, 909-913, Conglomerate. 



899, 901, 908, Slates. 



900, Calcareous mica and hornblende 

 schist. 



900 a, Argillaceous mica schist. 



900 b, Conglomerate. 



900 c, Mica schist in 900 b. 



good, Ouartzite. 



915, Siliceous dyke. 



Specimens between D. S. Richard- 

 son's AND D. Richardson's. 



915a, Micaceous quartzite. D. S. Rich- 

 ardson's. 



915 b, Mica and hornblende schist. Near 

 D. S. Richardson's. 



915 c, White limestone. Between D. S. 

 Richardson's and J. Dexter's, Jr. 



915 d. Micaceous quartzite. Same as the 

 above. 



9156, Conglomerate. Same as the above. 



915 f, Quartz vein. D. Richardson's. 



915 g, White limestone. D. Richardson's. 



915 h, Gray micaceous limestone. D. Rich- 

 ardson's. 



Lisbon. 

 9151, Sandstone — loose. 

 915 j-k. Limestone. 



Lyman. 



917, Slate. 



918, 919, Ouartzite. 

 920, 921, Limestone. 



SWIFT WATER SERIES (^Huronian). 



Section from a Bridge above Swift 



Water to near Starch-Mill (Fig. 



923, Micaceous quartzite. 



924, Decomposing quartzite. 



925, Glossy mica schist. 



926, 927, Hornblende schist. 

 928, 929, Mica schist. 



930, Micaceous quartzite. 



931, 932, Mica schist. 



933, Chlorite schist. 



934, Gneiss. 



935, Slate. 



976, Micaceous conglomerate — at starch- 

 mill. 



Lisbon. 



937, Conglomerate. 



938, Slate. 



Landaff. 

 942, 943, 947, 954-956, Micaceous quartz. 

 944, 945, Quartzite. 

 946, Mica schist, with acicular hornblende. 



948, 953, Chlorite schist. 



949, 951, 952-960, Mica schist. 



950, Slate. 



952, 962, Hornblende schist. 

 961, Mica schist conglomerates. 



