ELTZABETHTOWN AND PORT HENRY QUADRANGLES 



6l 



Ti02 



P205 

 CI .. 

 F ... 

 Cr^Os 

 MnO 

 CO2 • 

 BaO 



0=C1 and F. 



I 



•47 

 300 



•35 



2.00 



100.54 



2 



2. 60 

 2-93 



98-75 



3 



3.21 



2-30 



99-66 



4 



64 



39 



03 



39 



18 



26 



06 



tr. 



04 



100.27 

 .14 



5 



2-72 

 2.46 



99 25 



100.13 



N. Y. 



State 



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

 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. W. Morley for H. P. Cushing. 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.Al.O3.SiO: 

 CaO.SiOz ..•• 

 2MgO.Si02 • • 

 2FeO.Si02 .. 



Ilmenite 



Magnetite . • . 



Apatite 



Water 



Etc 



Light colored minerals 

 Dark colored minerals... 

 Water 



I 



2 



22 



37 



21 



15 



.29 



4 



•50 



13 



28 



10 



SO 



5 



SI 





62 



8 



12 



3 



CO 



100 



25 



59- 



22 



38 



02 



3 



00 



9 



45 



31 



44 



9 



73 



II 



34 



S 



34 



14 



34 



9 



69 



S 



II 



I 



16 



2 



39 





57 



100 



56 



SO- 



62 



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 



