Designs Ready· High Priority· natural-history
Geological Time Scale
4.6 Billion Years of Earth's History
Visual Approach
4 eons, 3 eras, 12 periods, Big Five extinctions, 24-hour clock perspective
Designs
poster-A3-portrait
comprehensive · natural-history
3508 × 4961px @ 300dpi
Production Notes
Comprehensive: eons → eras → periods with key life, Big Five extinctions with %, 24-hour Earth clock metaphor.