248 



STRATIGRAPHICAL GEOLOGY. 



583 b, Well-formed quartz and feldspar 

 crystals. 



585, 590, Granitic — mostly feldspar. 



588, Granite. 



S93» 594' Porphyritic diorite. 



598, 604, Quartz crystals in compact feld- 

 spar. 



626, Compact sienite. 



Franconia and Lincoln. 



611-614, 618, 619, 620, 621, Mostly crys- 

 talline feldspar. 



615-617, Fine-grained porphyritic granite. 



622, 623, Porphyry. 



624, Porphyritic granite. 



IVaterville and Thornton. 



632, Trap. 



^1>2>^ 634, 637, 638, Mostly crystalline feld- 

 spar. 



636, 639a, 643, Porphyritic granite. 



639, Granite. 



Albany and Contuay. 



645-650, 658, 663, Mostly crystalline feld- 

 spar. 



651, 652, 653, 654-657, 662, 664, 665, Por- 

 phyritic granite. 



659-661, Mostly compact feldspar. 

 Chocorua Group. 

 North and east of Saco River. 



433. 435. 548, 681, 683, 684, Fine-grained 

 sienite. 



434, Sienite and trap. 



520, Feldspar, with a little hornblende. 

 695, Sienite, passing into Albany granite. 



South and west of Saco River. 

 5'S> 533» Sienite, with two feldsjDars. 

 535, 667, 672-676, 678, 679, 685-690, 693, 



696, 697, Fine-grained sienite. 

 666, 687, Coarse sienite. 

 663, 669, 671, 680, Crystalline feldspar, 



with quartz. 

 670, 691, Compact feldspar. 



()^^, 682, Granite. 



677 a. Trap. 



692, Coarse mica bunches in 690. 



694, Sienite, with chrysolite. 



LABRADOR SYSTEM. 

 Mt. \]'as]iington River. 



698, 703, 704, Ossipyte. 



699, Crystalline labradorite, with biotite. 

 700-702, Labradorite, hornblende, and bi- 

 otite. 



705, Compact labradorite. 



706, Ossipyte, with hornblende. 



Lincoln. 



707, 708, Compact labradorite. Analysis, 

 page 220. 



709, Compact feldspar, perhaps orthoclase. 



IVaterville. 



710, Ossipyte, with hornblende. 



711, Crystalline labradorite. 



712, Dark ossipyte. Analysis, vol. i, p. 39. 



713, Labradorite masses in finer-grained 

 matrix. 



714, 715, Dykes of trap. 



716, 717, Compact labradorite. 



718, Fine-grained porphyry. 



719, Labradorite and hornblende. 



720, 721, 724, 730, Andesite, orthoclase, 

 and hornblende in small crystals. 



722, Fine-grained feldspar and mica. 



723, 738, Labradorite, biotite, and horn- 

 blende. 



725, Orthoclase, from very coarse granite 

 vein. 



727, Coarsely crystalline labradorite. 



728, 736, Coarsely crystalline labradorite, 

 biotite, titanic iron, epidote. Analy- 

 sis, vol. i, p. 40. 



726, 729, 732, Fine-grained sienitic dykes 

 cutting 728, etc. 



IZ"^-: I'h'h^ 739' Fine-grained orthoclase and 

 hornblende. 



