246 



STRATIGRAPHICAL GEOLOGY, 



292, 293, Ferruginous schist. 



294, Gray gneiss. 



295, Ferruginous gneiss. 



296, Coarse mica schist. 



West and South-west from the Saco 



River. 



Near the Saco. 



250, 250 b, 250 d, Concord granite. 



251, 251 b, 251 c, 417, Hard gneiss. 

 251 a, Gneiss, with much mica. 

 250 a, 251 f, 251 g, Trap. 



250 e, Feldspathic vein. 



251 d, 251 e, Breccia granite. 



305, 307, Gneiss, with mica patches. 



306, Curved strata. Part of boulder fig- 

 ured upon Plate X. 



308, Granite dyke. 



309, Mica schist. 



310, 313, Gneiss. 



311, Chlori tic granite. 



419, Compact feldspar, with grains of 



quartz. 

 419 a, Gneiss, with much feldspar. 



Fraiiconia. 

 322, 323, 326, 329, 331, 332, Gneiss. 



324, Hornblende schist. 



325, Gneiss, with irregular patches of mica. 



327, Trap. 



328, Granular quartz friable from decom- 

 position. 



330, Soft clayey mica schist. 

 Landaff. 



334, Mica schist. 



Lincoln. 



335. 336, Gneiss. 



337, Dark fine-grained gneiss. 



338, Coarse granite vein. 



Woodstock. 



339, 340, 341 » 345. 346, 348 a, 350, Gneiss. 



342, Gneiss, with fine black mica. 



343, Concord granite. 



344, Trap. 



347, 351, Granite veins. 



348, 349, Gneiss, with much black mica. 



Thornton. 



352-354, 356, 378, Gneiss. 



355, Granite bed. 



2,S7, Feldspathic mica schist. 



358, Andalusite gneiss. 



359, Andalusite gneiss, with garnets. 



Pemigcwasset. 



360, Gneiss, with pyrites. 



Albatiy. 



361, 362, Fine-grained granite. 

 Z^l)': 539> Gneiss, with black mica. 



364, Granite vein. 



Tatuworth. 



365, Gneiss, with much mica. 



366, Dark Concord granite. 



367, Granitic gneiss. 



Sandwich. 



368, Concord granite. 



369, Lake gneiss. 



370, Junction of gneiss and sienite. 



371, Gneiss, with much mica. 



372, White quartz. 



373, Gneiss. 



374, Fine-grained dark gneiss. 



375, Gneiss, with decomposing pyrites. 



376, Gneiss, with irregular mica. 



377, Mica schist. 



PEMIGEWASSET SERIES. 



Conway Gkanite. 



Chatham, Jackson, and Bartlett. 



382, 383, 386, 387, 389, 390, 392-395, 397, 



Normal Conway granite. 

 384, Finer reddish granite. 

 388, Red granite. 

 396, Manganesian granite. 

 432, Trap. 



