Geology
Some of the islands are considered to be remnants of the mainland isolated by rising sea level during the last 8,000 to 10,000 years. Others were more recently formed from coral rubble.
Read more about this topic: Houtman Abrolhos
Geology
Some of the islands are considered to be remnants of the mainland isolated by rising sea level during the last 8,000 to 10,000 years. Others were more recently formed from coral rubble.
Read more about this topic: Houtman Abrolhos