Active volcanic activity helped create the moon’s surface minerology as recently as 2 billion years ago, leaving an iron-rich and high-calcium surface of basalts geographically younger than the lunar geology community previously thought, according to a study that analyzed soil samples brought back as part of the Chang’E-5 (CE-5) mission in 2020.
Click here for original story, Returned samples from Chang’E-5 mission shed new light on moon’s surface makeup and geologic history
Source: Phys.org