Hadean (~ 4600 Ma)

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Representation and status

Index
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CMYK Color
30/100/0/0 (Commission for the Geological Map of the World)
RGB color
R: 174 G: 2 B: 126
Rank
chronostratigraphic Eon
Validity
Unit is in Use
Status
valid formal name
SCS note
-
SCS date
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Comment
~4600–4000 My

Nomenclature

German
Hadaikum
French
Hadéen
Italian
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 ----)
Nomenclatorial Remarks
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Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
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Geomorphology
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Thickness
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Components

Lithological content
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Mineral content
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Fossil content
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Hierarchy and succession

Superordinate unit
Subordinate units
Units at roof
    -
Units at floor
Lateral equivalents
Upper boundary
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Lower boundary
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Stratigraphic discussion
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Age

Age at top
Hadean
Note about top
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Age at base
Hadean
Note about base
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Dating method
U/Pb, with primordial lead composition based on meteorites deprived of uranium

Geography

Geographical extent
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Type area
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Type locality
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Type profile
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Reference profiles
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Point of interest
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Paleogeography and tectonic

Paleogeography
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Kind of protolith
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Conditions of formation
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Sequence
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Tectonic Unit (resp. main category)
Time Scale
  • Paratethys
  • Mammal stages
Metamorphism
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Metamorphic facies
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Note on metamorphism
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References

Definition
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Revision
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Important publications
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Material and varia

Applications
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