﻿38 



PROF. S. H. REYNOLDS ON THE 



[vol. lxxii r 



finely- divided magnetite is distributed through the sections. Very 

 numerous olivine-crystals, sometimes represented hj pseudomorphs 

 in carbonate, sometimes by pseudomorphs in serpentine, occur, and 

 in many cases show crystal outlines. No pyroxene, however, can 

 be identified. 



IV. Tables op Chemical Analyses. 



1. 



1 , L 



II. 



III. 



IV. 



V. 



Si0 2 



Ti0 2 



A1 2 0 3 



Fe 2 0 3 



FeO 



MnO 



CaO 



MgO 



K 2 0 



Na 2 0 



H>0 at 105° C 



H 2 0 above 105° C. .. 



P 2 0 5 



C0 2 



Li 2 0 



49-69 



2- 80 

 11-54 



5- 83 



3- 29 

 0-36 



6- 36 



4- 29 

 5*01 

 072 



, 1-65 



3- 61 

 0-35 



4- 77 

 trace 



48-80 



17"65 

 471 



2- 72 



7-65 



3- 30 



4- 93 



no 



0"69 

 2-77 



5- 93 



50-75 

 1-46 



12-15 

 9'26 

 015 

 0-43 

 6-31 



6- 22 



7- 03 

 0-55 



3-76 



55-44 

 0'16 



18-60 

 2'09 

 4-48 



6-76 

 4-75 

 6-63 

 1-79 



| 0-25 



51-76 



0-47 

 12-36 



4'88 



4-60 



0- ii 



7-14 

 9-57 

 3-83 



1- 99 



{ 305 j 

 0-56 



Totals 



100-27 



100-25 



98-07 



100-95 



1 



100-32 







Specifie Gravities 



2-59 





2-617 



27 





I. Variolitic olivine-basalt, Spring Cove, Weston-super-Mare (E. G. Ra'dlej')- 

 II. Do. do. do. do. (J. H. Sturgess). 



III. Rock from Knowle Quarry near Spencecombe, Devon (957). (J. Grant 



Wilson.) 



IV. Ciminite, Foiitana di Fiesole, Monte Cimini, near Viterbo, Italy. (H. S. 



Washington.) 



V. Absarokite, Raven Creek, Yellowstone Park, U.S.A. (L. G. Eakins.) 



2. 





Specific 

 Gravities. 



Si0 2 . 



K 2 0. 



Na 2 0. 











33. Olivine-basalt, Goblin Combe, east exposure. 



2-84-2-86 



49-12 



0-41 



2-37 



81. Olivine-basalt, Goblin Combe, west exposure. 



2-80-2-81 



48-49 



046 



2-39 



97. Olivine-basalt, Furze Close, Milton Hill, ) 

 Weston-super-Mare j 



2-78 



49-58 



0-73 

 0-75* 



1 96 

 1-81* 



98. Olivine-basalt, north-east of Milton-Hill) 

 Lodge, Weston-super-Mare j 



2-66-2-68 



42-21* 



2-89 



0-68 



76. Olivine - orthoclase - basalt, Limeridge ") 

 Wood, Tickenham ) 



2-63-2-68 



43-92* 



4-03 



0-44 



50. Olivine-basalt, Uphill cutting, Weston- j 



2-60 



43-17 







super- Mare j 







23. Olivine-basalt, Middle Hope, Weston-') 

 super-Mare ) 



2-54 



45-69 







17. Variolitic basalt, Spring Cove, Weston- \ 



2-59 



49-69 



5'01 



0-72 



super-Mare j 



48-80* 



4-93* 



1-10* 



94. Olivine - orthoclase - basalt, cross - roads. ") 

 Milton Hill, Weston-super-Mare ) 



2 57-2-58 



■ 



46-16 



5 83 

 5-34* 



1-07 

 0-94* 



