SpaceX Principle Mars Development Engineer gave some more details about Mars colonization

SpaceX plans to live out of the BFS ships initially on Mars and then build out the facilities (habitation, power systems, mining and landing pads).

The SpaceX BFS (Big Falcon Spaceship) would land on Mars with 100 tons including the ship.

Paul Wooster, SpaceX Principal Mars Development Engineer, presented to the Mars Society.