History_of_Geology, German February 24, 2014, a 4.4 billion-year-old Zircon crystal from Western Australia’s Jack Hills region is announced to be the oldest known mineral on #Earth (with Earth being ~4.51 billion years old) 🇦🇺💎
History_of_Geology, German February 24, 2014, a 4.4 billion-year-old Zircon crystal from Western Australia’s Jack Hills region is announced to be the oldest known mineral on #Earth (with Earth being ~4.51 billion years old) 🇦🇺💎