am not sure i think is a extrusive rock
cement is formed from limestone by combustion of limestone ( heating of the limestone)!
concrete is formed from limestone by the combustion of the limestone (heating of the limestone)!
Limestone and limestone formations.
limestone man is a man made out of limestone.
limestone
Limestone is called limestone because it has lime in it from the sea water it if formed in.
A person who sells limestone,
Limestone and Marble Limestone and Marble
Limestone can be formed partly or mostly by visible shell fragments. .
limestone can be critically empact on the city. limestone can be critically empact on the city. limestone can be critically empact on the city.
Indiana has a limestone quarry. The outside of the house is limestone.
dolomitic limestone is different from agricultural or hydrated limestone the difference is in the MgO content and hardness Dolomitic Limestone is harder than both and its MgO content is higher. The CaO is lower in Dolomitic limestone and High in the later.