Categorizes various analysis methods into groups based on their similarities, such as dating methods, isotope analyses, palaeoentomology, or geographic location.
| method group | group name |
|---|---|
| 1 | Palaeobiological |
| 2 | Palaeo chemical/physical |
| 3 | Dating by radiometric methods |
| 4 | Modern biological |
| 9 | Biological/Chemical/Physical |
| 13 | Sampling |
| 14 | Size measurement |
| 15 | Colour |
| 16 | Preparation method |
| 17 | Coordinate and altitude systems |
| 18 | Soil horizons |
| 19 | Dating to period |
| 20 | Dating to calendar year(s) |
| 21 | Dating by other method |
| 22 | Dating by radiation exposure methods |