Mikouchi (FEGSEM): He found both silica-rich amorphous phases and possible Mgrich silicates in these grains. EDS spectra of Mg-rich silicates usually show high concentration of Si. As is the same case with FC6,0,10,7,15, they are either pyroxenes or olivine contaminated with silica spectra.
Notes By: | ndc\cpgonzal | Date: | 06/04/2010 |