Geological Terms Quiz

What is porphyry?

• Porphyry is a type of sedimentary rock.
• Porphyry is an igneous rock with large crystals in a fine-grained matrix.
• Porphyry is a mineral found in granite.
• Porphyry is a volcanic rock with no crystal structure.

What is banded grea?

• Banded grea is a type of fish known as the banded grunter.
• Banded grea is a type of fruit.
• Banded grea is a kind of bird.
• Banded grea refers to a type of plant.

What does Inc refer to?

What is calico, or laminated sandstone?

What is taloschist?