- Champlin (/ˈtʃæmplən/ CHAMP-lən) is a city in Hennepin County, Minnesota, United States. The population was 23,919 at the 2020 census. Champlin is a northern suburb of Minneapolis.
- Neoproterozoic (Wikipedia)
The Neoproterozoic Era is the unit of geologic time from 1 billion to 538.8 million years ago. It is the last era of the Precambrian Supereon and the Proterozoic Eon; it is subdivided into the Tonian, Cryogenian, and Ediacaran periods. It is preceded by the Mesoproterozoic Era and succeeded by the Paleozoic Era of the Phanerozoic Eon.