Category | Principal component of chemical substance |
Lead barium is not weathered | Silica, sodium oxide, potassium oxide, calcium oxide, magnesium oxide |
Lead barium weathering | Silica, sodium oxide, potassium oxide, calcium oxide, magnesium oxide |
High potassium | Silica, sodium oxide, potassium oxide, calcium oxide, magnesium oxide |
High potassium weathering | Silicon dioxide, potassium oxide |