is dolomite a chemical sedimentary rock
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What is the chemical composition of dolomite?
It is a calcium magnesium carbonate with a chemical composition of CaMg (CO 3) 2. It is the primary component of the sedimentary rock known as dolostone and the metamorphic rock known as dolomitic marble. Limestone that contains some dolomite is known as dolomitic limestone.
Is it dolomite or dolostone?
They instead prefer using dolomite rock or dolostone when speaking of the sedimentary rock and dolomite when speaking of the mineral. Although these terms simplify communication and improve accuracy, many geologists continue to use the word dolomite for both the mineral and the rock.
Is dolomite a type of chalk rock?
Dolomite in Northern Norway (Trollholmsund) which was once chalk, but the original material has been replaced with dolomite. There is a considerable amount of confusion over the name of this rock. The problem is that dolomite is both a mineral and a rock type. Hence, many geologists prefer to name the rock a dolostone (term proposed in 1948).
Why are limestone and dolomites called carbonates?
Limestones and dolomites are collectively referred to as carbonates because they consist predominantly of the carbonate minerals calcite (CaCO 3) and dolomite (CaMg [CO 3] 2 ).