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What olivine,the neglected mineral,tells us about kimberlite petrogenesis
olivine neglected mineral kimberlite petrogenesis
2009/10/22
We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in ...
Shock-compressed MgSiO3 glass, enstatite, olivine, and quartz: Optical emission, temperatures, and melting
enstatite olivine quartz
2014/4/8
Optical emission of MgSiO3 glass, enstatite, olivine, and quartz under shock wave
compression was investigated with optical pyrometry at discrete wavelengths ranging
from visible to near infrared. W...
TRENDS AND AFFINITIES OF BASALTIC MAGMAS AND PYROXENES AS ILLUSTRATED ON THE DIOPSIDE-OLIVINE-SILICA DIAGRAM
TRENDS AFFINITIES OF BASALTIC MAGMAS PYROXENES AS ILLUSTRATED ON THE DIOPSIDE-OLIVINE-SILICA DIAGRAM
2014/4/8
The major normative components of basalts can be accommodated in the tetrahedra plagioclase-diopside-olivine-silica or plagioclase-diopside-olivine-nepheline. Average compositions of magma batches fro...