5a Very red 10 R 4 6 Red Moderate 0.1 0.3 Very Angular Quartz SiO2 – mm poor Sanidine (K,Na)AlSi3O8 Olivine (Mg,Fe)2SiO4 (Mg,Fe)SiO3 Plagioclase NaAlSi3O8 – CaAl2Si2O8 Monticellite Ca(Mg,Fe)2SiO4 6b Red with thin 5 YR 5 6 Abundant 0.5 1.5 Very Very Unknown – black core (main) red mm poor angular black / red mineral
5a Very red 10 R 4 6 Red Moderate 0.1 – 0.3 mm Very poor Angular Quartz SiO2 Sanidine (K,Na)AlSi3O8 Olivine (Mg,Fe)2SiO4 (Mg,Fe)SiO3 Plagioclase NaAlSi3O8 – CaAl2Si2O8 Monticellite Ca(Mg,Fe)2SiO4 6b Red with thin black core 5 YR (main) 5 6 red Abundant 0.5 – 1.5 mm Very poor Very angular Unknown black / red mineral
Fijipaper2.docx