A carbonatite dyke from the Sarnu-Dandali alkaline complex of Barmer h
as given total REE + Sr + Ba as 14 wt% and REE as 6 wt%. The main cons
tituents of the carbonatite are strontian calcite, carbocernaite, brit
holite and calcian strontianite plus minor baryte, pyrrhotite, sphaler
ite, alabandite, allanite, monazite and iron oxides.