RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 8, ES3002, doi:10.2205/2006ES000196, 2006

Figure 12. Triangular diagram for the composition of accessory
Cr-spinel and the compositional fields of spinel from individual massifs
and rock complexes.
Fields: 1-3 - Kempirsai and Rai-Iz Massifs; 1 - picotite, Cr-picotite, and aluminochromite from
lherzolites and harzburgites of the H complex; 2 - aluminochromite from harzburgites and
dunites of the DH complex; 3 - chromite from dunites of the D and DH
complexes; 4 - Sarany Massif; 5 - Nizhnii Tagil Massif;
6-8 - compositional fields of metamorphosed Cr-spinels from
harzburgites of the DH complex, Tsentralnoe deposit (Cr-spinel is
metamorphosed from subferri-aluminochromite - ferrialuminochromite -chrome-magnetite);
9-11 - compositional fields of accessory Cr-spinel
from dunites of the D complex (subferrichromite - subaluminoferri-chromite -
ferrichromite); 12 - Kochkanar Massif magnetites.

Citation: Makeyev, A. B. (2006), Typomorphic features of Cr-spinel and mineralogical prospecting guides for Cr ore mineralization, Russ. J. Earth Sci., 8, ES3002, doi:10.2205/2006ES000196.
Copyright 2006 by the Russian Journal of Earth Sciences
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