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Aluminium
Aluminium oxide
4
Calcium
4
Calcium oxide
4
Chromium
4
Event label
4
Grains
4
Iron 2+ and 3+
4
Latitude of event
4
Longitude of event
4
Magnesium
Magnesium oxide
Manganese
4
Manganese oxide
4
Potassium
4
Potassium oxide
Rock sample
4
Rock type
4
Silicon
4
Silicon dioxide
4
Sodium
Sodium oxide
4
Sum
4
Titanium
4
Titanium dioxide
4
Chromium(III) oxide
2
ChromiumIII oxide
2
East Antarctica
2
Electron microprobe (EMP)
2
Electron microprobe EMP
2
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