Pre-Nectarian
Код 2470777
- ISBN: 978-5-5120-7613-2
Код 2470777
High Quality Content by WIKIPEDIA articles! The Pre-Nectarian Period of the lunar geologic timescale runs from 4533 million years ago (the time of the initial formation of the Moon) to 3920 million years ago, when the Nectaris Basin was formed by a large impact. It is followed by the Nectarian period. Pre-Nectarian rocks are rare in the lunar sample suite; they are mostly composed of lunar highlands material which have been heavily churned, brecciated, and thermally affected by subsequent...
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