Original: This has been supported by Wilde who has pushed the date of the zircon crystals found in the metamorphosed quartzite of Mount Narryer in Western Australia , previously thought to be 4.1 -- 4.2 Ga , to 4.404 Ga. .
Simplified: The date of the zircon crystals found in the metamorphosed quartzite of Mount Narryer in Western Australia , has been pushed to 4.404 billion years .