574 



5. KOZU 



G. W. Card. For the sake of comparison, these analyses are given 

 in the following table with those of the rocks under consideration. 



D 



Si0 2 . . . 

 A1 2 3 . • • 

 Fe 2 3 - ■ 

 FeO. . . 

 MgO. . 

 CaO. . . 

 Na 2 0. . . 

 K 2 0. . . 

 H 2 0+.. 

 H 2 0- 

 29,.... 

 Ti0 2 ... 

 P 2 O s ... 

 S0 3 .... 



CI 



MnO. . . 

 etc 



Total 

 Sp.G. . . 



48.33 

 16. 29 



3-24 

 8-73 

 5-7o 

 8.50 



3-59 

 1.49 



49-iS 



0.82 



n.d. 



2.40 



0.79 



n.d. 



n.d. 



99.99 

 2.562 



48.70 



52-19 

 J9-74 

 4.72 

 6.28 

 2. 24 

 6.99 

 3-48 

 2.04 



1-25 



n.d. 

 n.d. 

 n.d. 

 n.d. 

 n.d. 

 n.d. 

 0.06 



16.88 



3-3° 

 7.29 



5-27 

 8.86 



3-39 

 2. 11 



0.52 

 1.78 

 0.06 

 1.28 

 0.30 

 none 

 0.02 

 0.31 

 0.06 



53-2i 



17.84 



3.80 



5.22 

 2.96 

 6.48 

 3-36 

 3-03 

 O.65 

 I . 27 

 0.02 

 I .OI 

 O.44 

 O.O9 

 O. II 



0.32 



49 



15 

 6. 



7. 

 3 



5' 

 5- 



24 

 84 

 09 

 18 

 02 

 26 

 21 

 . 10 

 .08 

 .61 

 .d. 

 .84 

 •47 

 .d. 

 .d. 

 •29 



99.99 



100.41 



99.88 

 2.768 



100.46 

 2.79 



A. Bomb ejected from the volcano Ondake, Fukae, the Goto Islands, Ana- 

 lyst, K. Yokoyama. 



B. Lava erupted from the volcano Ondake, Ohama, Fukae, the Goto Islands, 

 Analyst, K. Yokoyama. 



C. Lava erupted from the volcano Ondake, Masuda, Fukae, the Goto Islands, 

 Analyst, K. Yokoyama. 



D. Lava, Madara-shima, prov. Hizen, Analyst, T. Ono. 



E. Olivine-basalt, one and a half miles north of St. George's head, N.S.W. 



F. Orthoclase-bearing doleritic basalt, south side of Croobyar Creek, N.S.W. 



G. Mugearite, Druim na Criche, 5 miles S.S.W. of Portree, Skye. 



The norms calculated from these analyses are as follows: 



Quartz 



Orthoclase 



Albite 



Anorthite 



Sodium chloride 



Diopside 



Hypersthene. . . 



Olivine 



Magnetite 



llmenite 



Apatite 



99-5 



97-5 



4-9 



17.8 

 26.7 



24-5 

 0.4 



3-9 

 10.8 



"5.6 



2.0 



i-3 

 97-9 



12.2 

 44.0 

 13.6 



3-4 

 1 . 1 

 7.6 

 8.8 

 3-5 

 3-i 



97-3 



