The Ash Creek Group is a group of geologic formations exposed in the Mingus Mountains of Arizona, US. The age of the formations is between 1770 and 1820 million years.
The Ash Creek Group is a group of geologic formations exposed in the Mingus Mountains of Arizona, US. The age of the formations is between 1770 and 1820 million years. (en)
The Ash Creek Group is a group of geologic formations exposed in the Mingus Mountains of Arizona, US. The age of the formations is between 1770 and 1820 million years. (en)