Meet the mineral known as the time lord
Zircon is the "time-lords" of the earth. They are indestructible and take up radioactive materials, so they're used to track events in deep time that would otherwise be lost to us.
Zircon is the "time-lords" of the earth. They are indestructible and take up radioactive materials, so they're used to track events in deep time that would otherwise be lost to us.