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Grain size characteristics of Atacama fan sediments.
| Description | Percentage | Facies | ||
|---|---|---|---|---|
| Sand | Gravels | Cobbles | ||
| R1 Surface | 25 | 60 | 15 | Coarse sandy gravel (csG) |
| R1 interior | 75 | 25 | 0 | Gravelly sand (gS) |
| Upstream mudflow depositsa | 79 | 21 | 0 | Gravelly sand (gS) |
| Channel bank depositsa | 90 | 10 | 0 | Sand (S) |
| Overbank sedimenta | 100 | 0 | 0 | Sand (S) |
Data from Morgan et al. (2014).
