10: The PreCambrian Last updated Feb 8, 2024 Save as PDF 9.5: Some Final Practice 10.1: The Hadean Eon (4600-4000 Ma) Page ID27086 Chris Johnson, Callan Bentley, Karla Panchuk, Matt Affolter, Karen Layou, Shelley Jaye, Russ Kohrs, Paul Inkenbrandt, Cam Mosher, Brian Ricketts, and Charlene EstradaMaricopa Open Digital Press ( \newcommand{\kernel}{\mathrm{null}\,}\) 10.1: The Hadean Eon (4600-4000 Ma)10.2: The Archean Eon (4000-2500 Ma)10.3: The Proterozoic Eon (2500-541 Ma)