AlaskaBritish ColumbiaNorthwest TerritoriesUnited States- Siderian (Wikipedia)
The Siderian Period ( /saɪˈdɪəri.ən, sɪ-/; Ancient Greek: σίδηρος, romanized: sídēros, meaning “iron”) is the first geologic period in the Paleoproterozoic Era and lasted from 2500 Ma to 2300 Ma. Instead of being based on stratigraphy, these dates are defined chronometrically.
- Yukon (Wikipedia)
Yukon (/ˈjuːkɒn/ YOO-kon; Canadian French: [jukõ]; formerly called the Yukon Territory and referred to as the Yukon) is the smallest and westernmost of Canada’s three territories. It is the third-least populated province or territory in Canada, with a population of 45,148 as of 2023. However, Whitehorse, the territorial capital, is the largest settlement in any of the three territories.