Olivine pyroxenolite

Olivine  pyroxenoliteOlivine pyroxenolite
  1. The alkalic-ultramafic dikes formed by low degree partial melting ( 3.4 % ) of enriched mantle , consist of single olivine pyroxenolite , the dominating olivine fractionation is evident .

    碱性超基性脉岩岩性上为单一的橄榄辉石岩,为富集地幔源低度(3.4%)部分熔融作用的产物,岩浆演化过程经历了以橄榄石为主的分馏作用。