Expert By SamK on December 11, 2023 Category(s)World and PlanetsTopic(s)Rhyacian PeriodEarth PeriodsEarth2,300 M - 2,050 M YearsThe time span of Rhyacian period was 2,300 million years to 2,050 million years ago, while it's duration was approx. 250 million years.
