Six red obelisks stand calmly, each steeply tilted, cold, eternal.You're welcome!
[Siderian, Rhyacian, Orosirian, Statherian, Calymmian, Ectasian, Stenian, Tonian, Cryogenian, Ediacaran]
Friday, February 08, 2019
Since cursory Googling has not revealed an extant one, here's a (moderately Lovecraftian) mnemonic for the Proterozoic geologic periods:
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment