Who said there are no natural resources on the moon?
Fun Facts about the Moon
The average composition of the lunar surface by weight is roughly 43 percent oxygen, 20 percent silicon, 19 percent magnesium, 10 percent iron, 3 percent calcium, 3 percent aluminum, 0.42 percent chromium, 0.18 percent titanium and 0.12 percent manganese.Nov 19, 2014
RE: Why We Should Colonize the Moon before Mars