RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 9, ES2002, doi:10.2205/2007ES000297, 2007

Figure 5. Cr-Fe
3+ -Al diagram for spinel from the Gams sequence.
1 - Ni spinel from the Gams sequence, 2 - same mineral from
elsewhere (see Table 3), 3 - Cr-spinel from the Gams sequence,
4 - Cr-spinel from Alpine-type ultramafic rocks [Barnes and
Roeder, 2001], 5 - Cr-spinel from kimberlites [Barnes
and Roeder, 2001], 6 - Cr-spinel inclusions in diamonds
from kimberlites [Sobolev, 1974].

Citation: Grachev, A. F., V. A. Tselmovich, O. A. Korchagin, and H. A. Kollmann (2007), Two spinel populations from the Cretaceous-Paleogene (K/T) boundary clay layer in the Gams stratigraphic sequence, Eastern Alps, Russ. J. Earth Sci., 9, ES2002, doi:10.2205/2007ES000297.
Copyright 2007 by the Russian Journal of Earth Sciences
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