Petrochemistry and genesis of olivine basalts from small monogenetic parasitic cones of Bazman stratovolcano, Makran arc, southeastern Iran

@inproceedings{Saadat2011PetrochemistryAG,
  title={Petrochemistry and genesis of olivine basalts from small monogenetic parasitic cones of Bazman stratovolcano, Makran arc, southeastern Iran},
  author={Saeed Saadat and Charles R. Stern},
  year={2011}
}
Small monogenetic Quaternary parasitic cones around Bazman stratovolcano, located at the western edge of the Makran arc, southeastern Iran, erupted low-Ti subalkaline olivine basalts with MgO (3.8–8.6 wt.%) and Al2O3 (16.5–18.6 wt.%). Positive correlation of decreasing MgO, Ni and Cr indicates that formation of low MgO basalts involved limited crystal–liquid fractionation of olivine and clinopyroxene, the common phenocrysts. The basalts have variable 87Sr/86Sr (0.704177–0.705139) and 143Nd… CONTINUE READING

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