Associated with PGMs in drill core. A ultramafic intrusive complex with zones with disseminated chromite and sulphides with high concentrations of platinumgroup elements (PGE). Samples from a drill core named UM2 was mineralogical investigated by McDonald et al (1999). The concentration of PGE was found in 3 main zones, on of them an upper dunite zone wich contained Pd-rich PGM.
References:
McDonald, I., Ohnenstetter, D., Ohnenstetter, M., and Vaughan, D.J. (1999): Palladium oxides in ultramafic complexes near Lavatrafo, western Andriamena, Madagascar. Mineralogical Magazine. 63: 345-352.
Mineral List:18 entries listed. 11 valid minerals.
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