Geoscience Garden

Carbonatite (20)

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General Lithology:Carbonatite
Description:An unusual igneous rock formed from molten magma that solidified within the Earth's crust. This rock is composed of the mineral dolomite (brownish) and an amphibole, richterite (black). The rock has a gneissic fabric, indicating that it has been deformed by forces acting within the Earth's crust.
Representing:An igneous intrusion into the Canadian Shield, of unknown age
Where:Shield alkaline
Latitude:53.52834
Longitude:-113.521718
Estimated mass (tonnes):6.3

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