Silurian Software

Geology / Maps

Meridian 270° (90° West) : 420 Million Years ago

This map is mainly ocean, the vast area of water covered an area larger than the present day Pacific.

Land is restricted to a fragment of Siberia in the far NE, North America at a 3 to 5 o'clock direction from the center and South America to the South close to the pole.

North Pole Greenwich 90 180 270 South Pole

Map of Silurian at 270 Meridian