Enum: GeolEpochEnum

Chronometric epochs defined by the International Chronostratigraphic Chart (v2024-12) of the International Commission on Stratigraphy (https://stratigraphy.org/chart/).

URI: GeolEpochEnum

Permissible Values

Value	Description
Holocene	A time period from 0
Pleistocene	A time period from 2
Pliocene	A time period from 5
Miocene	A time period from 23
Oligocene	A time period from 33
Eocene	A time period from 56
Paleocene	A time period from 66
Late Cretaceous	A time period from 100
Early Cretaceous	A time period from 143
Late Jurassic	A time period from 161
Middle Jurassic	A time period from 174
Early Jurassic	A time period from 201
Late Triassic	A time period from 237 to 201
Middle Triassic	A time period from 246
Early Triassic	A time period from 251
Lopingian	A time period from 259
Guadalupian	A time period from 274
Cisuralian	A time period from 298
Late Pennsylvanian	A time period from 307
Middle Pennsylvanian	A time period from 315
Early Pennsylvanian	A time period from 323
Late Mississippian	A time period from 330
Middle Mississippian	A time period from 346
Early Mississippian	A time period from 358
Late Devonian	A time period from 382
Middle Devonian	A time period from 393
Early Devonian	A time period from 419
Pridoli	A time period from 422
Ludlow	A time period from 426
Wenlock	A time period from 432
Llandovery	A time period from 443
Late Ordovician	A time period from 458
Middle Ordovician	A time period from 471
Early Ordovician	A time period from 486
Furongian	A time period from 497
Miaolingian	A time period from 506
Cambrian Epoch 2	A time period from 521
Terreneuvian	A time period from 538

Terms

Name	Description
geological_epoch	The geological epoch approximating to the period within which the specimen or...

LinkML Source

name: GeolEpochEnum
description: Chronometric epochs defined by the International Chronostratigraphic
  Chart (v2024-12) of the International Commission on Stratigraphy (https://stratigraphy.org/chart/).
from_schema: https://w3id.org/mixs
rank: 1000
permissible_values:
  Holocene:
    text: Holocene
    description: A time period from 0.0117 million years ago to the present.
  Pleistocene:
    text: Pleistocene
    description: A time period from 2.58 to 0.0117 million years ago.
  Pliocene:
    text: Pliocene
    description: A time period from 5.333 to 2.58 million years ago.
  Miocene:
    text: Miocene
    description: A time period from 23.04 to 5.333 million years ago.
  Oligocene:
    text: Oligocene
    description: A time period from 33.9 to 23.04 million years ago.
  Eocene:
    text: Eocene
    description: A time period from 56.00 to 33.9 million years ago.
  Paleocene:
    text: Paleocene
    description: A time period from 66.00 to 56.00 million years ago.
  Late Cretaceous:
    text: Late Cretaceous
    description: A time period from 100.5 to 66.00 million years ago.
  Early Cretaceous:
    text: Early Cretaceous
    description: A time period from 143.1 to 100.5 million years ago.
  Late Jurassic:
    text: Late Jurassic
    description: A time period from 161.5 to 143.1 million years ago.
  Middle Jurassic:
    text: Middle Jurassic
    description: A time period from 174.7 to 161.5 million years ago.
  Early Jurassic:
    text: Early Jurassic
    description: A time period from 201.4 to 174.7 million years ago.
  Late Triassic:
    text: Late Triassic
    description: A time period from 237 to 201.4 million years ago.
  Middle Triassic:
    text: Middle Triassic
    description: A time period from 246.7 to 237 million years ago.
  Early Triassic:
    text: Early Triassic
    description: A time period from 251.902 to 246.7 million years ago.
  Lopingian:
    text: Lopingian
    description: A time period from 259.51 to 251.902 million years ago.
  Guadalupian:
    text: Guadalupian
    description: A time period from 274.4 to 259.51 million years ago.
  Cisuralian:
    text: Cisuralian
    description: A time period from 298.9 to 274.4 million years ago.
  Late Pennsylvanian:
    text: Late Pennsylvanian
    description: A time period from 307.0 to 298.9 million years ago.
  Middle Pennsylvanian:
    text: Middle Pennsylvanian
    description: A time period from 315.2 to 307.0 million years ago.
  Early Pennsylvanian:
    text: Early Pennsylvanian
    description: A time period from 323.4 to 315.2 million years ago.
  Late Mississippian:
    text: Late Mississippian
    description: A time period from 330.3 to 323.4 million years ago.
  Middle Mississippian:
    text: Middle Mississippian
    description: A time period from 346.7 to 330.3 million years ago.
  Early Mississippian:
    text: Early Mississippian
    description: A time period from 358.86 to 346.7 million years ago.
  Late Devonian:
    text: Late Devonian
    description: A time period from 382.31 to 358.86 million years ago.
  Middle Devonian:
    text: Middle Devonian
    description: A time period from 393.47 to 382.31 million years ago.
  Early Devonian:
    text: Early Devonian
    description: A time period from 419.62 to 393.47 million years ago.
  Pridoli:
    text: Pridoli
    description: A time period from 422.7 to 419.62 million years ago.
  Ludlow:
    text: Ludlow
    description: A time period from 426.7 to 422.7 million years ago.
  Wenlock:
    text: Wenlock
    description: A time period from 432.9 to 426.7 million years ago.
  Llandovery:
    text: Llandovery
    description: A time period from 443.1 to 432.9 million years ago.
  Late Ordovician:
    text: Late Ordovician
    description: A time period from 458.2 to 443.1 million years ago.
  Middle Ordovician:
    text: Middle Ordovician
    description: A time period from 471.3 to 458.2 million years ago.
  Early Ordovician:
    text: Early Ordovician
    description: A time period from 486.85 to 471.3 million years ago.
  Furongian:
    text: Furongian
    description: A time period from 497.0 to 486.85 million years ago.
  Miaolingian:
    text: Miaolingian
    description: A time period from 506.5 to 497.0 million years ago.
  Cambrian Epoch 2:
    text: Cambrian Epoch 2
    description: A time period from 521.0 to 506.5 million years ago.
  Terreneuvian:
    text: Terreneuvian
    description: A time period from 538.8 to 521.0 million years ago