Widespread hematite at high latitudes of the Moon
The lunar surface and interior are highly reducing [e.g., ()].Metallic iron is found as a primary igneous phase in lunar basalts and ferric iron (Fe 3+) is virtually absent ().The lack of atmosphere on the Moon allows solar wind (most of which is H) to reach the lunar surface and be implanted into the top tens to hundreds of nanometers of layer of surface grains, …