| Answer | Crossword Clue |
|---|---|
| DELTA | Alluvial river deposit |
| PLACER | Alluvial deposit |
| SILT | Alluvial deposit. |
| DELTA | Alluvial deposit |
| MUD | Alluvial deposit |
| DELTA | Alluvial deposit. |
| SILT | Alluvial deposit |
| GEEST | Alluvial deposit |
| GEEST | Alluvial deposit. |
| PLACER | Alluvial mineral deposit. |
| DELTA | Triangular alluvial deposit |
| PLACER | Alluvial deposit containing gold. |
| FANDELTA | Alluvial deposit of a stream |
