Fig. 17

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Emission spectra of the ureilite, carbonaceous, aubrite, and enstatite chondrite meteorites in the 380–392 nm region. Main emission features are highlighted. Most unmarked lines belong to Fe I. In this region, the ureilite displays enhanced CN and Mg I emission, the CM chondrite strong CN, the aubrite very strong Si I, Mg I, and low Fe I, and the enstatite chondrite mainly Fe I lines, similarly to ordinary chondrites. Spectra are normalized to unity at 388.63 nm (Fe I-4 line).
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