Last Updated
：2025/12/02
pre-Nectarian
Proper noun
Japanese Meaning
月の地質年代において、ネクター期以前に該当する時代。約45億3300万年前から39億2000万年前の期間を指す。
Quizzes for review
(geology) The epoch in the lunar geologic timescale that occurred between 4533 million years ago to 3920 million years ago.
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pre-Nectarian
Geologists identified zircon crystals from a pre-Nectarian rock, suggesting the Moon's crust solidified much earlier than previously believed.
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Geologists identified zircon crystals from a pre-Nectarian rock, suggesting the Moon's crust solidified much earlier than previously believed.
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