Hadean (~ 4600 Ma)

Back to Time Scale

Representation and status

Color CMYK
30/100/0/0 (Commission for the Geological Map of the World)
Color RGB
R: 174 G: 2 B: 126
Rank
chronostratigraphic Eon
Validity
Unit is in Use
Status
valid formal name
Status discussion

Nomenclature

Deutsch
Hadaikum
Français
Hadéen
Italiano
Adeano
English
Hadean (~ 4600 Ma)
Origin of the Name

Named after Hades, the Greek god of the underworld.

Historical Variants
Pre-Archean auct., Hadean (Cloud 1972), Priscoan (Harland ----)

Hierarchy and sequence

Units at roof

Age

Age at top
  • Hadean
Age at base
  • Hadean
Dating Method
U/Pb, with primordial lead composition based on meteorites deprived of uranium
Back to top