﻿Vol. 6 1.] 



VARIEGATION IN KETJPER MARLS, ETC. 



433 



The following are the numbers obtained in the course of the 

 analysis : — 



Marls from Wainlode Cliff. 



No. 1. 



No. 2. 



No. 3. 



Green Red 



part. part. 



Fe 2 3 1-12 3-12 



FeO 1-73 165 



CaO , 531 473 



MgO 4-90 381 



C0 2 10-16 8-10 



Water lost at 100° 1 .,. Qn ,, 00 



Centigr J 



Carbon existing as 1 n.174. n-19« 



organic matter. . / u ' * u 1- ° 



Si0 2 50-37 4967 



A1 2 3 1478 1416 



Ti0 2 0-57 0-62 



§° d I traces traces 



Cl 2 "....' .' .' .' .' .' .' .' .' .' .' .' .' .' .' j only ' * on1 ^ 

 Alkalies, combined 1 



water, and un- > 



determined J 



Green 



Bed 



Green 



Bed 



part. 

 0-87 



part. 

 3-80 



part. 

 092 



part. 

 3-94 



0-96 



0-91 



1-62 



1-03 



7-37 



5-18 



6-10 



4-21 



6-10 



5-42 



4-30 



3-44 



1301 



10-21 



11-60 



8-79 



301 



3-72 



0-092 0-106 



50-84 50-91 



13-12 12-98 



0-42 0-33 



traces traces 



only. only. 



3-35 



48-91 

 15-15 



416 



48-22 

 16-40 



traces traces 

 only. only. 



7-086 9-792 4-208 6-434 



8-05 9-81 



100000 100-000 100000 100000 



10000 100-00 



No. 4. No. 5. 



n ^ v , -*- v 



No. 6. 



Green Red Green Red Green Red 



part. part. part. part. part. part. 



Fe 2 3 0-87 3-39 066 3-12 1-04 3-14 



FeO 1-12 0-97 092 0-87 1-64 1-45 



CaO 7-39 6-12 4-17 3-91 4'70 4-86 



MgO 5-44 4-68 3-60 2-88 331 319 



C0 2 1230 11-10 6-07 5-93 



W Sl£*™} 3 ' 12 4 ' 33 2 ' 71 3 ' 04 ™ 3 " 48 



Undetermined ...... 69'76 69-41 81-87 80-25 8574 83-89 



10000 100-00 10000 100-00 100-00 100-00 



Kbuper Marl from Seaton (South Devon). 



JV> 3 



FeO 



CaO 



MgO 



C0 2 



Water lost at 100° Centigr. 



Si0 2 



A1 2 3 



Undetermined 



Q.J.G.S. No. 243. 







Hard green 



een stratum. 



Red stratum. 



band from 







red stratum. 



0-85 



3-66 



061 



1-14 



1-16 



0-83 



1331 



5-74 



16-77 



2-10 



0-73 



1-90 



12-12 



5-31 



15-17 



2-71 



4-04 



0-87 



45-46 



52-11 





14-40 



18-07 





791 



9-18 



63-85 



10000 



10000 



100-00 



2i 



