332 





NEW YORK 



STATE 



MUSEUM 











8 



9 



10 



11 



12 



13 





SiOo 





59.7 



61.01 



60.47 



63.45 



65.65 



66.72 



Uo . O 



A 1 C\ 





19.52 



15.36 



lo . OO 



18.38 



16.84 



lb . 10 



1 1- . 69 







1.161 





c 

 . o 



.42-] 







1 . o4 







\ 



10.75 





I 



4.01 



O A O 









5.65 

 j 





O. Tf? 



3.561 

 J 







o ox 



3.2o 



"\r„A 





.IS 



.78 



1 . 61 



.35 



.13 



TO 



. < o 









o . oD 





9 Q -l 



3.06 



9 AT 

 — . -± i 



1.6 



o o 

 2 . - 



\; Q r\ 





5.31 



3.68 



4 . b-j 



5.06 



5.27 



4.36 



3.5 







4.14 



3.9 



4.71 



5.15 



5.04 



5.66 



5.9 



TT r\ 





xo 



. iy 





.3 



. 6 



. 77 



. 4 



Tin 











.07 









p 2 o 5 















.03 



MnO .... 





.09 



.08 



.12 



trace 





.07 



.1 













.13 







.Oo 

















Total 





100.23 



100,1 



100.21 



99.73 



99.71 



100.18 



100.22 







2.674 





2.82 



2.72 















Molecular ratios 











3 



4 



6 



S 



9 



11 



13 



14 



olU 2 • • • 



QflOQ 



.9078 



.9063 



.995 



1.0168 



1.0575 



1 . 112 



1 . 141 ( 



A 1 O 



9QQ7 



. — oy i 



.2593 



.2004 



.1912 



.1506 



.1795 



"I XO A 



. Ioo4 



-1/1/4 



. 144 



jd e 2 u 3 . . 



A1 AO. 



. vivo 



.0081 



.0174 



.0072 



.0216 



.0026 





.008 



Jj eu . . • 



fV70(i 

 .UlOD 



.0092 



.0764 



.0785 



. 1014 



.0494 



i~iA 7X 



. U47o 



A A X 1 



.04ol 



ALgU . . 



AQA9 



.0172 



.0497 



.0195 



.0195 



.0087 



.OloJ 



.OObo 



<jaU . . . 



1 TC 



. 1 io 



.1929 



.0963 



.06 



.0723 



.0523 



A-1 1 1 



AQQO 



.Uoyo 



Na 2 . . 



.0563 



.0705 



.0839 



.0856 



.0594 



.0816 



.0703 



.0565 



K 2 .. . 



.0135 



.0097 



.0357 



.0439 



.0414 



.0547 



.0601 



.0626 



1 Norite, wall rock of titaniferous magnetite deposit, Lincoln pond, Eliza- 



bethtown, Essex co. Description by J. F. Kemp, analysis by W. F. 

 Hillebrand, U. S. Geol. Sur. 1899. 19th An. Rep't, pt 3, p.407. 



2 Gabbro (hyperite), dike near Nicholville, Hopkinton, St Lawrence co. 



Brief mention by H. P. Cushing. 16th An. Rep't N. Y. State Geol. 

 1899. p.22. E. W. Morley analyst. 



3 Anorthosite gabbro, Carnes's quarry, Altona, Clinton co. Description 



by H. P. Cushing, analysis by E. W. Morley. 19th An. Rep't X. Y. 

 State Geol. 1901. p.r58. 



4 Anorthosite, summit of Mt Marcy, Keene, Essex co. A. R. Leeds analyst. 



N. Y. State Mus. 30th An. Rep't. 1878. p.92. 



5 Anorthosite, Keene township, Essex co. (precise locality not given). 



A. R. Leeds analyst. N. Y. State Mus. 30th An. Rep't. 1878. 



6 Anorthosite showing transition to augite syenite, cut by N. Y. C. & H. R. 



R. R. nearly 5 miles north of Tupper Lake Junction, Altamont, Frank- 

 lin co. Description by H. P. Cushing, analysis by E. W. Morley. 20th 

 An. Rep't N. Y. State Geol. 1902. p.r6S. 



7 Gabbro, intermediate between gabbro and augite syenite and occurring 



as a basic phase of the latter; from Natural Bridge. Diana, Lewis co. 

 Description and analysis by C. H. Smyth jr. Geol. Soc. Am. Bui. 

 6 :274. 



