Once formed, zircon crystals are so durable that they can persist even if their parent rock is exposed at the surface and destroyed by weathering and erosion.
Once formed, zircon crystals are so durable that they can persist even if their parent rock is exposed at the surface and destroyed by weathering and erosion.
但是，这些锆石所蕴含的讯息似乎隐晦不清，部份原因是地质学家无法确定它们的母岩。