1 BosT. Soc. Nat. His., 1873, 

 XV. 304-309. 



Gkology of New Hampshiue, 1874, Geology of New Hampsuire, 1877, 

 I. 506-539. II. C74, 675. 



A Porphvritic Gneiss. 

 D. Bethle'hfiu Giitiss. 

 C. White MouDtuin or Andalusite 

 Queiss. 



A. Common Granite of the White 



Mountains 



B. Spotted Granite. 



C. Ossipyte 



D. Dark comi)act F^bnulorite. 



E. Dark compact Orthoclase. 



F. Red compact Orthoclase. 



Hedilish compact Orthoclase 

 H. Syenites of E.xeter and Tripyr- 

 amid. 



Calcose and Auriferous Conglomer- 

 ates. 

 3reeu Schists. 

 iVhitish Schist,<i 

 ?elds(mr and Talc. 



f A, Mica Schi.sts of Rockingham 

 County. 



B. Mcrrimac Group. 



C. Coiis Group. 



D. Clay Slates. 



E. Green Granite. 



F. Mt. Mote Conglomerates 



i. Helderberg Limestone. 

 ?. Clay Slates. 



« { Porphyritic Gneiss. 



Bethlehem. 

 Lake Gneis-i. 

 Montalbaii. 

 ( Franconia Breccia Group. 



f Conway Granite. 

 I Albany Granite. 

 ■I Chocorua Granite. 



Fine Sedimentiiry Deposits. 

 [ Eruptive Syenite. 



i 3 ( Copper and Iron Beds. 



g J Dolomite, Soapstone, and 



I I j Serpentine with Siliceous Schist. 



(. g [ Conglomerate. 



2 .^ f Rockingham Mica Schist. 



^.2 J Merrimac Group. 



jj » 1 Cambrian Auriferous Clay Slates. 



.i "^ [ Coos Group. 



Helderberg Period. 



Am. A.ssoc. Adv. Sci., 1873, 

 XXU. 120-131. 



Winnipiseogee Lake. 



Porphyritic Gneiss or Granite. 

 Winnipiseogee Lake Gneiss For- 

 mation. 

 White Mountain Series. 



Eruptive Granites of the Ossipee 



Mount.iin.s. 

 Felsites or Compact Feldspars. 



3tive Syenite. 

 I Schist. 



Walling's Atlas of New Hampshire, 



1877. 



jj j Porphyritic Gneiss. 



I. Stratified Groups. 



.2 f Porphyritic Gneiss. 

 c ! Bethlehem Ordinary Gnei.os. 

 a 1 Bethlehem Fine-Grained Gneiss. 

 g ( Lake Winnipiseogee Gneiss. 



Gneiss and Feldspathic Mica 



Schists. 

 Concord Granite. 

 Ferrugiiious Schists. 

 ■{ ^ Fibrolite Schists. 

 ^ Franconia Breccia. 



Labrador. 



Lower Huronian. 



c C Ilomblende Schist. 

 t .| I Swift Water Series. 

 g; g .^ Lisbon Group. 

 p 3 j Lyman Group. 

 S I Auriferous Conglomerate. 



Ferruginous Slates. 

 Merrimac Group. 

 Rockingham Mica Schist. 

 Kearsarge .\ndalusite Group. 



j Cambrian Slates. 



( Quartzite. 

 ! Coos Group I Mica Schist. 

 ] ( Staurolite Slate. 



I Calciferous Mica Schist. 

 [ Lower Ilelderberg. 



( Bethlehem Group. 



Lake Winnipiseogee Gneiss. 

 ■i Montalban or White Mountain 

 I Series 

 [ Franconia Breccia. 



g « f Conway Granite. 



t. 2 Albany Granite 

 ~ S I Chocorua Granite. 



2.S I O.ssipyte. 



•3 5 ! Compact Feldspar. 



•^ ii I Exeter Syenites. 



.3 ( Lisbon Gronp. 

 o ] Lyman Group. 

 ~ ( Auriferous Conglomerate. 



f Rockingham Schists. 

 I Calciferous Mica Schists. 

 ■I Coiis Group. 

 Clay Slates. 

 [Mt. Mote Conglomerate. 



j Ilelderberg Limestones. 

 ( Slates, Conglomerates, iSc. 



II. Enipfire Masses. 



C Conway Granite. 



Albany Granite. 



Chooiirua Series, 

 ranite cutting Coos Group. 



Granite not otherwise «.ssigned. 

 I Syenite of Mt. Gunstock, etc. 

 [ Exeter Syenite and Diorite. 



I >-' 

 S I A 



.5 CI 



5 I Labradorite Diorite. 



a. J Porphyry. 



.5 j Pequawliet Breccia. 



1; [ Trachyte. 



'S 1 Diorite. 

 °§i ( Diabase. 



