| Answer | Crossword Clue |
|---|---|
| DELTAS | Triangular soil deposits |
| DELTAS | Triangular deposits |
| SILTS | Soil deposits. |
| INTERS | Deposits beneath the soil |
| LOESS | Wind-borne deposits of soil. |
| bedrocks | Solid rock underlying loose deposits such as soil or alluvium |
| paleosol | fossil soil preserved within a sequence of geological deposits, indicative of past conditions |
