Lamproite

 

Lamproite

 

Ore deposit type: Magmatic in mafic-ultramafic rocks

Provenance: Newlands Mine, South Africa

Description: Hypoabyssal lamproites with abundant mantle peridotite xenoliths (pale green crystalline aggregates) and xenocrysts (olivine, pale green; pyropic garnet, purplish). A few phlogopite macrocrysts also occur (brown, with pearly luster).

 

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