What is diabase?
Q: What is diabase?
A: Diabase is an igneous rock that is often blue in colour and rich in magnesium and iron.
Q: What are dikes and sills made of?
A: Dikes and sills in igneous rock are often made of diabase.
Q: What is the main mineral in diabase?
A: The main mineral in diabase is silicate feldspar known as labradorite, which makes up about 40% to 70% of the rock.
Q: What other minerals are commonly found in diabase?
A: Pyroxene minerals, usually augite, are also common in diabase. Small amounts of hornblende, olivine, magnetite, and quartz are also present in some diabase rocks.
Q: What is the colour of diabase?
A: Diabase is often blue in colour.
Q: What elements is diabase rich in?
A: Diabase is rich in magnesium and iron.
Q: How is diabase characterized?
A: Diabase is characterized by its blue colour and its high content of magnesium and iron. It is often found in dikes and sills, and contains silicate feldspar (labradorite) and pyroxene minerals (augite).