REPORT OF THE GHIEF ASTRONOMER 



SESSIONAL PAPER No. 25a 



GROUP VIII. 



687 











Plutonics 













Effu- 



















sive. 





51 



52 



53 



54 



55 



56 



57 



58 





Is 

 a 



"a 



. 



lud- 

 i te 

 ash- 







~ 



® 







c3 



s 



2 c fer 

 .5 o> 



6D 



a 







^ 









O 





gite, 

 Sax 

 1 and 





O 





3 

 DQ 



O 





'o 



<D 





s eg 



0) 



c 



P-i s 



53 



93 







£2 



1 





S3 



a 



c 

 Pm 



«1 



u 



Q 



No. of Analyses. 



4 



4 



3 



48-13 



4 

 43-85 



3 



40-06 



4 

 49-82 



49 

 44 39 



3 



Si0 2 



42 09 



53 65 



43-24 



Ti0 2 



4 



12 



83 



14 

 1-66 



■87 

 650 







1 



5 



46 

 12 



5 



88 

 14 





AI2O3 



500 



•57 



15 



19 



T?e 2 3 



4 



98 



1-90 



2 01 



2-54 



2-29 



1 



83 



3 



88 



8 



62 



FeO 



4 



58 



535 



11 73 



6 30 



7-32 



7 



44 



6 



70 



7 



89 



MnO 



31 



06 

 80 



17 



22-57 



•08 

 21-01 



•12 

 36'96 



•24 

 46-62 



19 



09 



55 



29 



L9 

 17 







MgO 



8 



56 



CaO ... 



6 



37 



13-37 



617 



2 70 



•35 



13 



00 



6 



31 



13 



78 



Na 2 



1 



02 



■20 



115 





•01 





37 





64 





54 



K 2 



3 



29 

 85 



•07 



•85 



•58 

 162 







1 



21 

 06 



1 



76 

 80 



1 1 



48 



H 2 



2-53 1 



253 



21 



P 2 U 6 



•01 



07 



15 





•01 



•05 



■14 



•49 



Calculated as Water-free. 



Si0 2 



43 



5 



5 

 4 



33 

 6 

 1 



78 

 12 

 02 

 18 

 77 

 06 

 08 

 62 

 06 

 30 

 0L 



54 11 



•14 



167 



192 



5-40 

 •17 

 22-76 

 13-49 

 •20 

 •07 

 •07 



48 93 



•88 



6 61 



2 04 



11-92 



•08 



2136 



627 



117 



•59 



•15 



44 99 



41-10 



50 

 1 



5 

 1 



7 



19 

 13 



36 

 48 

 17 



85 

 52 

 09 

 76 

 14 

 37 

 21 

 05 



45-20 



•90 



5 25 



3 95 



6-82 



19 



29 70 



6-43 



•65 



■77 



14 



43-77 



Ti0 2 





A1 2 3 



5-13 



2-61 



6'46 



•12 



37 '92 



2-77 



•58 



2-35 



7-51 



•25 



47-83 



.36 



•01 



15'37 



Fe 2 3 



FeO 



8-72 

 7 99 



MnO 





MgO 



CaO 



Na 2 



K 2 



8 66 

 13 95 



"55 

 •49 







•01 



•50 



Each sum = 100 "00. 1 Loss on ignition. 



