59 



Samlede Bestanddele : 

 FeO Kr,0, AL0 3 CaO MgO 

 1.61 6.33 12.85 0.61 3.23 



Glødn.tab Sum 



4 91 100.54 



CaC0 3 

 29.93 



PA 



Spor 



SiO s 



41.<i7 



Station 240. 



N. B. 69° 2', V. L. 11" 26'. 1004 Favne (1836 

 Meten. — 1.1". Xysbrunt Biloculinler EnMængde For- 

 aminiferer, overveiende Globigeriner. To smaa Kvartskorn, 

 \ eiende 0.1 Gr. 



Sum 98.66 



Samlede Bestanddele : 

 FeO Fe,G, AL.O3 CaO MgO CaCO, 

 0;92 7.24 13.52 0.42 1.94 54.64 



Glødn.tab Sum 



5.08 98.76 



Station 245. 



Spor 



Si0 2 

 24.17. 



N. B. 68° 21', V. L. 2« 5'. 2005 Favne (3667 

 Meten. — 1.4°. To Lag i Buhdprøven. Det øverste 

 bestod af brunt, fint Ler med kun ubetydelig Kalkgebalt 

 og ingen Foraminiferer. Det underste Lag var et porøst, 

 lysbrunt Ler med en Mængde Foraminiferer, væsentlig Glo- 

 bigeriner. I det sidste er Analysen foretaget. 



Lerets spee. Vægt var 2.72. 



Glødningstab . . -2.35 



Constituents of Sample: 



FeO Fe,0 3 ALO s CaO MgO 

 1.61 6.33 12.85 0.61 3.23 



CaCOg 

 29.93 



ro, sin, 



Traces 41.07 



Loss by Ignition 

 4.91 



= lon. .".4 



Station 2 W. 



Lat. 69" 2'N., long. 11" 26' W.; 1004 fathoms (1836 

 metres); bottom-temperature — 1.1". Light-brown Bilocu- 

 lina-clay containing great numbers of Foraminifera, princi- 

 pally Globigerinæ, aud two line particles of quartz, weiglit 

 0.1 v. 



Loss by ignition . 5.08 



Protoxide of iron . 0.79 



Sesquioxide of iron 2.71 



Alumina . . . . 3.01 



Lime 0.98 



Magnesia. . . . 0.35 



Carbonate of lime. 54. (14 



Phospboric acid . 0.22 



Silica 7.77 



1 (ecomposed 



by 



Eydrochloric acid 



70.47 per cent. 



Dndecompo ed 

 by 



Hydrochloric acid 

 '_':'.. 1 1 per cent. 



Sesquioxide of iron 1.71 



Alumina .... 4.75 



Magnesia .... 0.25 



Silica 10.4O 



its.tii; 



Constituents of Sample: 



l-Y(> 

 0.79 



Fe 3 O s 



4.42 



ALO3 CaO MgO 

 7.76 0.98 0.60 



Loss by [gnition 



5.1 IS : 



Station 245. 



CaC0 3 



54.04 



98.76 



P;A 

 0.22 



Si0 2 



24.17 



Lat. 68° 21' N., long. 2" 5' W.; 2005 fathoms (3667 

 metres); bottom-temperature -- 1.4°. Two lavers, — tbe 

 upper a fine brown clay with but a trilling amount of lime 

 and no Foraminifera: the under a light-brown porous clay 

 containing a great many Foraminifera. cbiefly Qldbigerinoe. 

 The analysis is of tbe bottom part. 



Specific Gravity of the Clay 2.72. 



Loss by ignition . 2 35 

 Protoxide of iron . 0.92 

 Sesquioxide of iron 3.95 

 Alumina . . . . 4.71 



Lime <>.42 



Magnesia .... 1.94 

 Carbonate of lime . 41. 8 

 Phospboric acid Traces 



Silica ? 



x* 



Decomposed 



by 



ETydrocMoric acid 

 53.12 per cent. 



