Robert Duncan Quote: No.5
- 5
Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion. Robert Duncan | Refcard PDF ↑
Robert Duncan Quote: No.5
Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion. Robert Duncan | Refcard PDF ↑