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Laz'ko, E E; Vysotskiy, Sergey V; Koroleva, N V; Muravitskaya, G N (1991): (Table 3) Chemical compositions of chrome spinels from ultrabasites of the Tonga Trench. PANGAEA,, In supplement to: Laz'ko, EE et al. (1991): Ultrabasites in the northern part of the Tonga Trench. Oceanology, 31(3), 343-348

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Latitude: -14.833333 * Longitude: -173.333333
K82-16 * Latitude: -14.833333 * Longitude: -173.333333 * Location: Tonga Trench * Device: Dredge (DRG)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelLaz'ko, E E
2Rock typeRockLaz'ko, E E
3Sample positionSamp posLaz'ko, E E
4Titanium dioxideTiO2%Laz'ko, E EX-ray microprobe
5Aluminium oxideAl2O3%Laz'ko, E EX-ray microprobe
6Chromium(III) oxideCr2O3%Laz'ko, E EX-ray microprobe
7Vanadium(III) oxideV2O3%Laz'ko, E EX-ray microprobe
8Computed Fe2O3FE2O3dry weight %Laz'ko, E EX-ray microprobestoichiometrically
9Iron oxide, FeOFeO%Laz'ko, E EX-ray microprobe
10Manganese oxideMnO%Laz'ko, E EX-ray microprobe
11Nickel oxideNiO%Laz'ko, E EX-ray microprobe
12Magnesium oxideMgO%Laz'ko, E EX-ray microprobe
13SumSum%Laz'ko, E E
14TitaniumTi%Laz'ko, E EX-ray microprobe
15AluminiumAl%Laz'ko, E EX-ray microprobe
16ChromiumCr%Laz'ko, E EX-ray microprobe
17VanadiumV%Laz'ko, E EX-ray microprobe
18Iron 3+Fe3+%Laz'ko, E EX-ray microprobe
19Iron 2+Fe2+%Laz'ko, E EX-ray microprobe
20ManganeseMn%Laz'ko, E EX-ray microprobe
21NickelNi%Laz'ko, E EX-ray microprobe
22MagnesiumMg%Laz'ko, E EX-ray microprobe
23Iron numberFe/(Fe+Mg)Laz'ko, E ECalculatedFe as Fe(2+)
24ChromiumCr%Laz'ko, E ECalculatedof metals (3+) sum
25Iron 3+Fe3+%Laz'ko, E ECalculatedof total Fe
225 data points

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