We often talk about climate change, melting glaciers, or strange landforms. But we rarely think about something that’s always ...

Igneous rocks contain randomly arranged interlocking crystals. The size of the crystals depends on how quickly the molten magma solidifies and can form extrusive igneous rocks or intrusive igneous ...

Characteristics of igneous rocks These rocks are formed when magma solidifies. As the magma cools, mineral crystals will begin to grow. These crystals will grow and interlock to form a hard ...

Igneous rocks are one of the three rock types formed through the cooling and solidification of magma or lava. Labradorite crystals can vary in color but are typically blue or blue-green.

Intrusive rocks cooled slower, allowing the minerals to form crystals that can be detected by the eye. The most common intrusive igneous rock in the area is known as diabase.

A half century later, crystals of the mineral zircon inside a coarse-grained igneous rock fragment collected by Schmitt are giving scientists a deeper understanding about the moon's formation and ...