constitute the light-coloured areas of the Moon's surface and have been the subject of much research.

The presence of Martian anorthosites has also been confirmed and is the subject of on-going research.

Proterozoic anorthosite massifs

Age

Proterozoic anorthosites were emplaced during the Proterozoic Eon (c. 2,500-542 Ma), though most were emplaced between 1,800 and 1,000 Ma.

Occurrence

Proterozoic anorthosites typically