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61
Dekomponeret
af
Saltsyre
•saw i>ct.
Udekomponeret
af
■Saltsyre
71.61 pCt.
Glødningstab . . 4.83
Jernoxydul . . . 1.28
Jernoxyd.... 5.09
Lerjord .... 3.88
Kalk.....0.15
Magnesia .... 1.56
Kulsur Kalk . . 5.68
Fosforsyre . . . Spor
Kiselsyre. . . . 5.11
- Jernoxyd .... 2.64
Lerjord .... 15.56
Magnesia. . . . 1170
Kiselsyre. . . . 52.71
Sum 99.19
Samlede Bestanddele:
FeO FeäO, A1203 Caü MgO CaCO» I’A SiO,
1.28 7.73 19.44 0.15 2.26 5.68 Spor 57.82
Glødn.tab Sum.
4.83 99.19
Station 303.
Decomposed
by
Hydrochloric acid
’ 22.75 pCt.
Undecomposed
by
Hydrochloric acid
71.01 pCt.
Loss by ignition . 4.83
Protoxide of iron . 1.28
Sesquioxide of iron 5.09
Alumina .... 3.88
Lime.....(J. 15
Magnesia . . . . 1.56
Carbonate of lime. 5.68
Phosphoric acid Traces
Silica.....5.11
I Sesquioxide of iron 2.64
Alumina .... 15.56
I Magnesia .... 0.70
I Silica.....52.71
99.19
Constituents of Sample: —
FeO Fe.O, AL03 CaO MgO CaC03 P303 Si02
1.28 7.73 19.44 0.15 2.26 5.68 Traces 57.82
Loss by Ignition
4.83 = 99.19
Station 302.
Lat. 75° 16’ N., long. 0° 54’ W.; 1985 fathoms
(3630 metres); bottom-temperature — 1.7°. A very small
sample of light-brown Biloculina clay.
Decomposed
by
Hydrochloric Acid
19.9") per cent.
Undecomposed
by •
Hydrochloric Acid
7<i.’27 per cent.
N. B. 75° 16’, V. L. 0° 54’. 1985 Favne (3630
Meter). —1.7°. En meget liden Prove af lysbrunt
Bilo-culinler.
Dekomponeret
af
Saltsyre
19.9") pCt.
Udekomponeret
af
Saltsyre
76.27 pCt.
Glødningstab . . 3.78
Jernoxydul . . . 1.38
Jernoxyd.... 2.94
Lerjord .... 3.82
Kalk.....0.81
Magnesia.... 2.09
Kulsur Kalk . . 8.91
Fosforsyre . . . Spor
Kiselsyre.... ?
Uopl. Residuum
-j-opløsel. Kiselsyre 76.27
Sum 100.00
Station 306.
N. B. 75° O’. 0. L. 10° 27’. 1334 Favne (2440
Meter). —1.3°. Biloculinler, mørkere i Farve end det
foregaaende. Forholdsvis faa Foraminiferer; foruden
Biloculinler fandtes væsentlig Lituola og Nonionina.
Loss by ignition . 3.78
Protoxide of iron . 1.38
Sesquioxide of iron 2.94
Alumina . . . 3.82
Lime.....0.81
Magnesia.... 2.09
Carbonate of lime. 8.91
Phosphoric acid Traces
Silica..... ?
f Insoluble residue
soluble Silica . . 76.27
100.00
Station 306.
Lat. 75° O’ N., long. 10° 27’ E.; 1334 fathoms
(2440 metres); bottom-temperature —1.3°. Biloculina clay,
darker in colour than the preceding sample, containing
comparatively few Foraminifera: the genera most
numerously represented next to Biloculina were Lituola and
Nonionina.
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