Associated minerals include strontianite, dawsonite and calcite.
2.
The rock is also mined for deposits of nahcolite and dawsonite, two types of sodium minerals.
3.
The mineral dawsonite, which was discovered during the building of the Redpath Museum with which he was intimately related, is named in his honour.
4.
Mineral matter in oil shale contains fine-grained silicate and carbonate minerals such as calcite, dolomite, siderite, quartz, rutile, orthoclase, albite, anorthite, muscovite, amphipole, marcasite, limonite, gypsum, nahcolite, dawsonite and alum.