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Legend (MRT/Geochronology)

Geochronology (0)
0 - 250 0 - 250
250 - 540 250 - 540
540 - 1000 540 - 1000
1000 - 1600 1000 - 1600
1600 - 2400 1600 - 2400
2400 - 2800 2400 - 2800
2800 - 4600 2800 - 4600