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Sheinwoodian

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Also known as Sheinwoodian Stage, Sheinwoodian Age

In the geologic timescale, the Sheinwoodian is the age of the Wenlock Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon that is comprehended between 432.9 ± 1.2 Ma and 430.6 ± 1.3 Ma (million years ago), approximately. The Sheinwoodian Age succeeds the Telychian Age and precedes the Homerian Age.

Key facts

Geologic timespan.name
Sheinwoodian
Geologic timespan.color
Sheinwoodian
Geologic timespan.time_start
432.9
Geologic timespan.time_start_uncertainty
1.2
Geologic timespan.time_end
430.6
Geologic timespan.time_end_uncertainty
1.3
Geologic timespan.image_map
Laurasia 430Ma.jpg
Geologic timespan.caption_map
Paleogeography of the late Sheinwoodian
Geologic timespan.timeline
Silurian
Geologic timespan.name_formality
Formal
Geologic timespan.name_accept_date
1980
Geologic timespan.celestial_body
earth
Geologic timespan.usage
Global (ICS)
Geologic timespan.timescales_used
ICS Time Scale
Geologic timespan.chrono_unit
Age
Geologic timespan.strat_unit
Stage
Geologic timespan.timespan_formality
Formal
Geologic timespan.lower_boundary_def
Imprecise. Currently placed between acritarch biozone 5 and LAD of Pterospathodus amorphognathoides. See Llandovery for more info.

via Wikipedia infobox

Wikidata facts

Instance of
age
Followed by
Homerian
Follows
Telychian
Show 4 more facts
start time
433400000-
end time
430500000-
topic's main category
Category:Sheinwoodian
sRGB color hex triplet
B6E4D0
Sources (2)

via Wikidata · CC0

~1 min read

Encyclopedic overview

2 sections
Contents
  • Definition
  • References

In the geologic timescale, the Sheinwoodian is the age of the Wenlock Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon that is comprehended between 432.9 ± 1.2 Ma and 430.6 ± 1.3 Ma (million years ago), approximately. The Sheinwoodian Age succeeds the Telychian Age and precedes the Homerian Age.

== Definition == The Wenlock-Llandovery boundary is defined by the first occurrence of Cyrtograptus centrifugus. The stage is named after Sheinwood village, north of Much Wenlock. The Buildwas Formation of Shropshire, United Kingdom contains the type section.

Excerpted from Wikipedia’s “Sheinwoodian” article, available under the CC BY-SA 4.0 licence.

On the map

4 mapped locations