Not Finding Your Answer?
Post It On KidzTalk Homework Help
Post It On KidzTalk Homework Help
Report a search problem
mobile version
Copyright 2005-2024 KidzSearch.com
The Calymmian is the first geological period in the Mesoproterozoic. It began 1.6 billion years ago and ended at 1.4 billion years ago.
In the period new land was formed. The supercontinent Columbia broke up during the Calymmian about 1.5 billion years ago.