Dolomite in a sentence as a noun

Our lakes are built by flooding the narrow valleys that streams cut into the limestone and dolomite of the Ozark Plateau.

Is subducted sediment actually entrained into the mantle?A major store of CO2 is sedimentary dolomite.

Maybe I'm the lone idiot, but in case anyone else is confused:"Chat is a term for fragments of siliceous rock, limestone, and dolomite waste rejected in the lead-zinc milling operations that accompanied lead-zinc mining in the first half of the 20th century.

Dolomite definitions

noun

a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate

noun

a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer