Geologic Timescale

=Geologic Timescale=

TBD Period (Week 0 - Week 21)
4,575 Million Years Long

Bloodian Period (Epoch 1)
12.5 Million Years Long

Maps
The twenty-second week lasted approx. 12.5 million years. During this period, life from Sagan 4 also arrived on Mason at the beginning of the period through panspermia.

Masonian Period (Epoch 2)
12.5 Million Years Long

Maps
The twenty-third week lasted approx. 12.5 million years. At the beginning of this period, a solar flare struck Sagan 4 and Mason, thawing their glaciers and causing a mass extinction event.

Darthian Period (Week 24)
12.5 Million Years Long

Maps
The twenty-fourth week lasted approx. 12.5 million years. It marks the end of the ice age. Mason's oceans were also evaporated by solar wind, causing the rings of Sagan 4 to form.

Blargian Period (Week 25)
12.5 Million Years Long

Maps
The twenty-five week lasted approx. 12.5 million years. Mason lost its atmosphere, wiping out all life on its surface.