Out of a total of 279 features, more than half (55%) belong to the build-up type (accumulations and layers), while the horizontal surfaces (floors and pavements) account for about 10%, like collapse (dump and fills) 10%. Here are the exact figures.
| type | total | percent | |
| build-up (accumulations, layers) | 157 | 55% | |
| amorphous amassment (fill, dumping, collapse) | 21 | 8% | |
| ordered aggregation (walls, installations) | 38 | 14% | |
| horizontal surfaces (floors, pavements) | 22 | 8% |
Back to top: Emplacement for Unit J1 General statistics of stationary elements (features)