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EntityQ645398· pop 29· linked from 518 articles

Also known as Coniacian Stage, Coniacian Age

The Coniacian is an age or stage in the geologic timescale. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series and spans the time between 89.8 ± 0.3 Ma and 85.7 ± 0.2 Ma (million years ago). The Coniacian is preceded by the Turonian and followed by the Santonian.

Key facts

Geologic timespan.name
Coniacian
Geologic timespan.color
Coniacian
Geologic timespan.time_start
89.8
Geologic timespan.time_start_uncertainty
0.3
Geologic timespan.time_end
85.7
Geologic timespan.time_end_uncertainty
0.2
Geologic timespan.timeline
Cretaceous
Geologic timespan.name_formality
Formal
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
FAD of the Inoceramid Bivalve Cremnoceramus deformis erectus
Geologic timespan.lower_gssp_location
Salzgitter-Salder quarry, Germany
Geologic timespan.lower_gssp_accept_date
May 2021
Geologic timespan.upper_boundary_def
FAD of the Inoceramid Bivalve Cladoceramus undulatoplicatus

via Wikipedia infobox

~3 min read

Encyclopedic overview

7 sections
Contents
  • Stratigraphic definitions
  • Sequence stratigraphy and geochemistry
  • Subdivision
  • References
  • Notes
  • Literature
  • External links

The Coniacian is an age or stage in the geologic timescale. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series and spans the time between 89.8 ± 0.3 Ma and 85.7 ± 0.2 Ma (million years ago). The Coniacian is preceded by the Turonian and followed by the Santonian.

== Stratigraphic definitions == The Coniacian is named after the city of Cognac in the French region of Saintonge. It was first defined by French geologist Henri Coquand in 1857.

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

On the map

4 mapped locations