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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Volcanic ash in bare ice south of Sør Rondane Mountains, Antarctica: geochemistry, rock magnetism and nondestructive magnetic detection with SQUID gradiometer

Fig. 3

3D perspective view of X-ray CT scan of tephra-bearing ice block samples. a JARE54-ASH1, b JARE54-ASH2, c JARE54-ASH3. Greenish pixels correspond to ice, and darker pixels are air bubbles. Red pixels are those with CT values higher than 15,200, which corresponds to particles with density higher than ice such as volcanic ash

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