Diabase

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Diabase

Diabase (also known as dolerite or microgabbro[1]) is an igneous rock that is often blue in colour. It is rich in magnesium and iron, and originally found under the crust of volcanoes. Dikes and sills in igneous rock are often made of diabase.

References[change | change source]

  1. "BGS Rock Classification Scheme - Dolerite (Synonymous with Microgabbro)". British Geological Survey. Retrieved 24 August 2015.