ELIZABETHTOWN AND PORT HENRY QUADRANGLES 



C)I 



K2O . 

 H2O 



Ti02 

 P2O5 



CI ... 



F ... 

 CrsOa 

 MnO 

 CO2 • 

 BaO . 



I 



•47 

 3-0O 



•35 



2 



260 

 2-93 



3 

 3.21 

 2.30 



2.00 



5 



2 72 

 2.46 



04 



100.54 



75 



99-66 



0=C1 and F, 



100 . 27 

 .14 



100.13 



99 25 



1 Diabase summit of Mt Marcy, Essex co. A. R. Leeds, N. Y. State 

 Mus. 30th An. Rep't, p. 102. 



2 Diabase. Upper Chateaugay lake, Clinton co. A. S. Eakle. Am. 

 Geol. July 1893. p. 35. 



3 Diabase. Palmer hill near Ausable Forks, Clinton co. . U. S. Geol. 

 Sur. Bui. 107. p. 26. 



4 Olivine diabase. Belmont township, Franklin co., dike 13. Analyzed 

 by E. VV. Morley for H. P. Gushing. N. Y. State Geol. i8th An. Rep't, 

 p. 120; and 20th An. Rep't, p. r79. 



5 Olivine diabase. Upper Chateaugay lake, Clinton co. A. S. Eakle, as 

 under no. 2. 



Or 



Ab 



An 



Calcite 



CaO.Al2O3.SiO: 

 CaO.SiOa ••.. 

 2MgO.Si02 . . 

 2FeO.Si02 .. 



Ilmenite 



Magnetite . • • 



Apatite 



Water 



Etc 



Light colored minerals. 

 Dark colored minerals... 

 Water 





[ 



2 



.22 



Z7 



21 



IS 



.29 



4 



•50 



13 



28 



10 



50 



5 



51 





62 



8 



12 



3 



CO 



• 100 



25 



59 



22 



38 



02 



3 



00 



4 



9 



45 



31 



44 



9 



1Z 



II 



34 



5 



34 



14 



34 



9 



69 



5 



II 



I 



.16 



2 



■Z9 





57 



100 



56 



50 



(i2 



46 



98 



2-39 



The recasting was only attempted for nos. i and 2 because in 

 these alone was the FeO determined. The difficulty in carrying 



