All members of our team are experts.

Constructivism is an educational theory that knowledge is actively constructed by each learner.

In mineralogy, antigorite is also called leaf serpentine.

We camped in a densely wooded area.

This area is rich in peridotite.

The hyrax lives in the rocky areas of Africa and the Middle East.

This mountain is mainly composed of quartzite.

This mountain is made of phonolite.

The rock-wallaby is a small kangaroo native to Australia.

Mr. Iwahori is my best friend.