Divisions of Geologic Time (Bookmark)
General Information Product
141
By: U.S. Geological Survey
Links
- More information: USGS Index Page (html)
- Document: Report (79.5 KB pdf)
- Related Work: Fact Sheet 2018–3054 - Divisions of Geologic Time—Major Chronostratigraphic and Geochronologic Units
- Version History: Version 2.0 (1.31 KB txt)
- Download citation as: RIS | Dublin Core
Description
This bookmark presents information that is widely sought by educators and students. This bookmark is adapted from the more detailed U.S. Geological Survey Fact Sheet 2018–3054, “Divisions of Geologic Time,” prepared by the U.S. Geological Survey Geologic Names Committee in cooperation with the Association of American State Geologists. The fact sheet and the bookmark contain names of geologic time periods and boundary age estimates ratified by the International Commission on Stratigraphy in 2018.
Suggested Citation
U.S. Geological Survey, 2016, Divisions of geologic time (ver. 2.0, March 2020): U.S. Geological Survey General Information Product 141, a bookmark, https://doi.org/10.3133/gip141.
ISSN: 2332-354X (online)
ISSN: 2332-3531 (print)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Divisions of geologic time (Bookmark) |
| Series title | General Information Product |
| Series number | 141 |
| DOI | 10.3133/gip141 |
| Edition | Version 2.0: March 2020; Version 1.0: May 2012 |
| Year Published | 2020 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | Bookmark |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | Y |
| Google Analytic Metrics | Metrics page |