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