Hadean (4567 Ma)

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 (4567 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

• Archean (4031 +/-3 Ma)

Age

Age at top

• Hadean

Age at base

• Hadean

Dating Method

U/Pb, with primordial lead composition based on meteorites deprived of uranium