Geological time spiral

Forfatter/Opretter:

United States Geological Survey

Kredit:

Graham, Joseph, Newman, William, and Stacy, John, 2008, The geologic time spiral—A path to the past (ver. 1.1): U.S. Geological Survey General Information Product 58, poster, 1 sheet. Available online at http://pubs.usgs.gov/gip/2008/58/

Shortlink:

https://dkwiki.dk/b/13757

kilde:

Wikimedia Commons

størrelse:

2424 x 2145 Pixel (1947125 Bytes)

beskrivelse:

A diagram of the geological time scale

Licens:

Public domain