Accumulation zone of spinel peridotite mantle nodules enclosed in alkali basalts that also contain abundant clinopyroxene xenocrysts up to 10 cm in size. The mine also works adjacent placers.
Ref.:
- Brizi, E., Nazzareni, S., Princivalle, F., and Zanazzi, P.F. (2003): Clinopyroxenes from mantle-related xenocrysts in alkaline basalts from Hannuoba (China): augite–pigeonite exsolutions and their thermal significance. Contributions to Mineralogy and Petrology 145, 578-584.
Mineral List:7 entries listed. 6 valid minerals.
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