Australia: Journey through Pilbara, the oldest place on Earth, Australia - Times of India Travel | Times of India Travel
![PME UBC on X: "Behold one of the oldest rocks on Earth, the Acasta Gneiss! Considering that the Earth is estimated to be 4.6 billion years old, this 4.03 billion years old PME UBC on X: "Behold one of the oldest rocks on Earth, the Acasta Gneiss! Considering that the Earth is estimated to be 4.6 billion years old, this 4.03 billion years old](https://pbs.twimg.com/media/FzkmPhlaYAAC-Xu.jpg:large)
PME UBC on X: "Behold one of the oldest rocks on Earth, the Acasta Gneiss! Considering that the Earth is estimated to be 4.6 billion years old, this 4.03 billion years old
![Gneiss from Greenland 3,600,000,000 years old. One of the oldest rocks on Earth, this is a paragneiss, a sedimentary rock that has been metamorphosed at high temperatures and pressures. It comes from Gneiss from Greenland 3,600,000,000 years old. One of the oldest rocks on Earth, this is a paragneiss, a sedimentary rock that has been metamorphosed at high temperatures and pressures. It comes from](https://c8.alamy.com/comp/D989M6/gneiss-from-greenland-3600000000-years-old-one-of-the-oldest-rocks-D989M6.jpg)