Oldest Dryas

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Representation and status

Index
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CMYK Color
N/A
RGB color
R: 245 G: 255 B: 245
Rank
climato/palynostratigraphy
Validity
Unit is in Use
Status
informal term
SCS note
-
SCS date
-
Comment
-

Nomenclature

German
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French
Dryas ancien (Dryas I)
Italian
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English
Oldest Dryas
Origin of the Name

Named after the cold-climate wildflower Dryas octopetala Linnaeus.

Historical Variants
Dryas ancien inférieur (Arn 1978), early Dryas (Campy 1984), Dryas ancien (Arn 1992), Dryas précoce
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
Pléniglaciaire supérieur
Lateral equivalents
Upper boundary
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Lower boundary
-
Stratigraphic discussion
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Age

Age at top
Late Pleistocene
Note about top
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Age at base
Late Pleistocene
Note about base
-
Dating method
15000-13000 BP

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)
Quaternary :
Quaternary Deposits
  • Unconsolidated Deposits
  • Niederterrasse
  • Hochterrasse
  • Deckenschotter
  • Tiefere Deckenschotter
  • Höhere Deckenschotter
  • Glaciostratigraphy
  • Pliocene
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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