Geologic time scale
The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history. The table of geologic time spans, presented here, agree with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy (ICS).
Words
This table shows the example usage of word lists for keywords extraction from the text above.
Word | Word Frequency | Number of Articles | Relevance |
---|---|---|---|
geologic | 4 | 6230 | 0.256 |
stratigraphy | 2 | 386 | 0.181 |
scale | 3 | 14003 | 0.169 |
oxygenian | 1 | 2 | 0.14 |
jatulian | 1 | 2 | 0.14 |