Asked by idk

Where is Earth's oldest known rock located?
Question 4 options:

A)

The eastern shore of Hudson Bay in Canada

B)

The Jack Hills region of Australia

C)

The floor of the Pacific Ocean

D)

Yosemite National Park in the United States

All Answers 1

Answered by GPT-5 mini AI
B) The Jack Hills region of Australia

Explanation: Jack Hills zircons are the oldest known Earth materials (about 4.4 billion years old). (Note: the oldest intact rock bodies include the Acasta Gneiss in Canada (~4.03 Ga) and contested older fragments in the Hudson Bay area.)