ELEMENT % BY WEIGHT
------------------------
Aluminum 7.3
Calcium 8.5
Chromium 0.2
Iron 12.1
Magnesium 4.8
Manganese 0.2
Oxygen 40.8
Potassium 0.1
Silicon 19.6
Sodium 0.3
Titanium 4.5
----
98.4
Lunar soil melts at 1500 degrees Celsius, releasing all these valuable minerals. However, there are some elements that are obviously lacking.