periods: Period data from the International Commission on Stratigraphy...
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periods R Documentation
Period data from the International Commission on Stratigraphy (v2023/06)
Description
A dataset containing the boundary ages, abbreviations, and colors for the
periods of the Geologic Time Scale. Based on The ICS International
Chronostratigraphic Chart (v2023/06), by Cohen, Finney, Gibbard, and Fan.
Usage
periods
Format
A data frame with 22 rows and 5 variables:
- name
period name
- max_age
maximum age, in millions of years
- min_age
minimum age, in millions of years
- abbr
period name abbreviations
- color
the colors for each period, according to the Commission for
the Geological Map of the World
- lab_color
the label colors for each period, either white or black,
whichever has better contrast with the background color, based on
recommendations by the International Telecommunication Union
Source
https://stratigraphy.org via https://macrostrat.org/api/v2/defs/intervals?timescale=international%20periods
See Also
Other built-in timescales:
eons,
epochs,
eras,
stages
deeptime documentation built on Oct. 30, 2024, 9:08 a.m.
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| periods | R Documentation |
Period data from the International Commission on Stratigraphy (v2023/06)
Description
A dataset containing the boundary ages, abbreviations, and colors for the periods of the Geologic Time Scale. Based on The ICS International Chronostratigraphic Chart (v2023/06), by Cohen, Finney, Gibbard, and Fan.
Usage
periods
Format
A data frame with 22 rows and 5 variables:
- name
period name
- max_age
maximum age, in millions of years
- min_age
minimum age, in millions of years
- abbr
period name abbreviations
- color
the colors for each period, according to the Commission for the Geological Map of the World
- lab_color
the label colors for each period, either white or black, whichever has better contrast with the background color, based on recommendations by the International Telecommunication Union
Source
https://stratigraphy.org via https://macrostrat.org/api/v2/defs/intervals?timescale=international%20periods
See Also
Other built-in timescales:
eons,
epochs,
eras,
stages
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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