How Old Are The Oldest Rocks Of The Ocean Floor. It is approx 140-160 years old. Why is the oldest ocean floor only 180 million years old.
Other cratons in South Africa Australia and Asia have continental rocks that are 3 billion years old. The oldest seafloor is comparatively very young approximately 280 million years old. The deepest blue rocks along the coastlines of Europe Africa and the.
Some cratons in Canada and Greenland shelter the oldest continental rocks in the world about 4 billion years old.
Approximately 500 million years old d. The oldest continental rocks are about 4 billion years old while the oldest oceanic rock is only 180 million years old. Less than 200 million years old b. It is approx 155-180 million years old.