t 



I rdekomponerei 



af 



Saltsyre 



23129 pCt. 



Samlede Bestanddele : 



FeO FeA AU >, CaO MgO CaC0 3 P 2 5 SiO, 

 1.14 4.33 11.01 1.03 1.43 52.82 Spor 25.02 



Glødn.tab Sum 



[ udeeompo i d 



by 



Hydrochloric acid 



_':'>. 2!' per cent. 



Sesquioxide of iron 1 .59 



Alumina .... 4.52 



Lime 1.03 



Magnesia .... 0.5« i 



Silicic acid . . . 15.65 



99.49 



Constituents of Sample: 



FeO Fe,0, AL.O, CaO MgO CaC0 3 P,0, SiO., 



1.14 4.33 



2.71 



99.49 



11.01 1.03 1.43 



Loss by [gnition 

 2.71 



58.82 Traces 25.02 



= 9M.49. 



Stat on 52. 



N. B. 65" 47'. V. L. 3" 7'. 1861 Favne (3403 

 Meter). - 1.3". Lysbrunt Biloculinler. Eu Mængde 

 Poraminiferer, væsentlig Globigeriner. 



Biloculinerne i denne Bundprøve var meget store, 

 indtil 2.2""" i Diameter. 



Samlede Bestanddele 



Station 52. 



Lat. 65° 47' N., long. 3° 7' W.; 1861 fathoms (3403 

 metres); bottom-temperature — 1.3°. Light-brown Bilocu- 

 lina clay containing a great many Foraminifera. chierly 

 Globigerinæ. 



The B/J" '"!/ nu in this sample were very large, some 

 measuring 2.2""" in diameter. 



Loss by ignition . 4.62 

 Protoxide of iron . 0.88 

 Sesquioxide of iron 3.65 

 Alumina .... 3.38 



Lime 2..">2 



Magnesia ..... 0.80 

 (.'afbonate of lime. 45.80 

 Phosphoric acid Traces 

 Silicic acid . . . 4.32 



Deeomposed 



by 



Hydrochloric acid 

 (i 1.33 i" cenl 



Undecomposi å 



by 



Hydrochloric acid 



3 1.91 per cent. 



Sesquioxide of iron 1.52 

 Alumina . , . . 6.62 

 Magnesia . . . Traces 

 Silicic acid . . . 25.77 



99.SS 



Constituents of Sample : — 



Stadion 178. 



N. B. 69" 29', 0. L. 12" 26'. 1578 Favne (2886 

 Meter). — 1.3°. Lysbrunt Biloculinler. 



Den norske Nordhavsexpeditibn. Schmelek: Chemi. 



Station 178. 



Lat. 69° 29' N., long. 12" 26' E.: 1578 fathoms 

 (2886 metres); bottom-temperature — 1.3°. Light-brown 

 Biloculina clay. 



