Geologic Timescale

=Geologic Timescale=

Prebiota Period
4,575 Million Years Long

Bloodian Period (Epoch 1)
12.5 Million Years Long

Maps
The first epoch 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 second epoch 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 (Epoch 3)
12.5 Million Years Long

Maps
The 3rd epoch 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 (Epoch 25)
12.5 Million Years Long

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