igneous rock

Examples (20)

• Igneous rock is formed from cooled magma or lava.
• Granite is a common type of igneous rock.
• Granite is a common type of igneous rock found in many mountainous regions.
• Volcanic eruptions produce new igneous rock formations.
• The volcano erupted, producing vast quantities of new igneous rock formations.
• Scientists study igneous rock to understand Earth's interior.
• Geologists study igneous rock to understand Earth's internal processes.
• The mountain range is primarily composed of ancient igneous rock.
• Obsidian, a natural volcanic glass, is another example of igneous rock.
• Basalt, a dark and dense material, is a well-known igneous rock.
• Early humans used tools made from durable igneous rock for hunting and crafting.
• Cooling magma beneath the surface forms intrusive igneous rock.
• The cooling rate of magma determines the crystal size in an igneous rock.
• Extrusive igneous rock solidifies quickly on the Earth's surface.
• Basalt is a dark, fine-grained igneous rock that forms much of the ocean floor.
• Geologists collected samples of igneous rock from the lava flow.
• This region's landscape is dominated by ancient igneous rock structures.
• Many precious minerals are found embedded within igneous rock deposits.
• Scientists analyze the composition of igneous rock to learn about past volcanic activity.
• The landscape was dominated by rugged cliffs of igneous rock.