GEOLOGY AND PETROGRAPHY OF THK PROSPECT INTRUSION. 523 









Table 



IV. 











VIII. 



IX. 



X. 



XI. 



XII. 



XIII. 



XIV. 



Si0 3 



49 



46 



45 



48 



48 



48 



46 



A1 2 3 



14- 



15- 



17- 



14 



15- 



14- 



12- 



Fe 2 3 



2-5 



2-5 



3-6 



2-4 



2-5 



2-8 



2-7 



FeO* 



9- 



8 



9- 



11 



9 



8- 



10 



MgO 



6- 



7- 



7- 



9 



8- 



8 



11- 



CaO 



8- 



11- 



9 



9- 



9- 



9- 



11 



Na 2 



3-0 



3-3 



3-4 



3-4 



3-2 



3-5 



3-1 



K 3 



2-0 



30 



2-3 



1-3 



1-8 



1-5 



10 



Ti0 2 



2-9 



2-9 



2-3 



1-8 



2-3 



3-8 



2-4 



P 2 5 



•7 



•7 



•4 



•4 



•3 



•4 



•5 



* To the FeO are added MnO, NiO, and CoO. 



VIII. Camptonite ; Mount Ascutney, Vermont, U.S.A. W. F. 

 Hildebrand, anal. R. A. Daly, B.U.S.G.S., 148, p. 70. In 

 addition 0-04 BaO, 0-01 CI, 0-05 F, 0*36 FeS„. 



IX. Monchiquite; Rio do Ouro, Serra do Tingua, Brazil. P. 

 Jannasch, anal. Hunter and R/Osenbusch, Tscher. Min. Pet. 

 Mit., xi (1890) p. 464. In addition S 0-10. 



X. Basalt, containing analcite; Bondi, Sydney, N. S. Wales. 



J. C. H. Mingaye, anal. G. W. Card, J. C. H. Mingaye, 

 and H. P. White, Rec. Geol. Surv. N.S.W., Vol. vn, pt. 2, 

 (1902), p. 97. In addition V 2 5 0-01, SO s 0-19, CI 0-02, 

 BaO 002. 



XI. Pallio-essexite; Prospect, specimen B, south end of Reser- 

 voir Quarry. J. C. H. Mingaye, anal. In addition S0 3 0'13, 

 CI 0-01, Cr 2 3 0'02, BaO 0"05, V 2 3 0-03. 



XII. Basalt; Camden Park, near Sydney, N.S.W. J. C. H. 

 Mingaye, anal. Mingaye and White, Rec. Geol. Surv., 

 N.S.W., Vol. vn, pt. 3, (1903), p. 230. In addition V 2 5 

 003, S0 3 0-11, CI 004, Cr 2 3 0-02, BaO 004. 



XIII. Basalt (Camptonose); Castelfullit, near Olot, Catalonia, 

 Spain. H, S. Washington, anal, and desc, Q.J.G.S., Vol. 

 lxiii, (1907), p. 74. 



XIV. Basalt; Pinto Mountain, Uvalde County, Texas. W. F. 

 Hildebrand, anal. W. Cross, B.V.S.G.S., 168, p. 61. In 

 addition CI 0-11, S 0-01, V 2 3 004. 



H I— Dec. 6, 1911. 



