Paleoproterozoic (2500 Ma)

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Representation and status

Index
-
CMYK Color
0/75/30/0
RGB color
R: 247 G: 67 B: 112
Rank
chronostratigraphy
Validity
Unit is in Use
Status
valid
SCS note
-
SCS date
-
Comment
-

Nomenclature

German
Paläoproterozoikum
French
Paléoprotérozoïque
Italian
Paleoproterozoico
English
Paleoproterozoic (2500 Ma)
Origin of the Name
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Historical Variants
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Nomenclatorial Remarks
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Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
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Geomorphology
-
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

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
Proterozoic
Note about top
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Age at base
Proterozoic
Note about base
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Dating method
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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
-
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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  • Statherian (1800 Ma) Show details

    Origin of the Name

    From statherós (Greek), meaning "stable, firm".

    Rank
    chronostratigraphy
    Status
    valid
    Valid name
    In Short
    Last period of the Paleoproterozoic. Its base has been defined chronometrically.
    Age
    Paleoproterozoic (= Early Proterozoic) - Paleoproterozoic (= Early Proterozoic)
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -
  • Orosirian (2050 Ma) Show details

    Origin of the Name

    From oroseirá (Greek), meaning "mountain range".

    Rank
    chronostratigraphy
    Status
    valid
    Valid name
    In Short
    Third period of the Paleoproterozoic. Its base has been defined chronometrically.
    Age
    Paleoproterozoic (= Early Proterozoic) - Paleoproterozoic (= Early Proterozoic)
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -
  • Rhyacian (2300 Ma) Show details

    Origin of the Name

    From rhýax (Greek), meaning "stream of lava".

    Rank
    chronostratigraphy
    Status
    valid
    Valid name
    In Short
    Second period of the Paleoproterozoic : Bushveld Igneous Complex, Huronian (Makganyene) global glaciation. Its base has been defined chronometrically.
    Age
    Paleoproterozoic (= Early Proterozoic) - Paleoproterozoic (= Early Proterozoic)
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -
  • Siderian (2500 Ma) Show details

    Origin of the Name

    From sídēros (Greek), meaning "iron".

    Rank
    chronostratigraphy
    Status
    valid
    Valid name
    In Short
    First period of the Paleoproterozoic, characterised by a peak in the deposition of banded iron formations (BIFs). Its base has been defined chronometrically.
    Age
    Paleoproterozoic (= Early Proterozoic) - Paleoproterozoic (= Early Proterozoic)
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -