| YARDANG | A ridge formed by wind erosion from sand, silt, etc (7) |
| ESKER | Ridge formed by a glacier |
| SHALE | Abundant sedimentary rock, formed by compression of successive layers of clay, silt etc. (5) |
| ALLUVIUM | Fine grained fertile soil consisting of mud, silt etc. deposited by rivers on flood plains etc. |
| SEDIMENTARY | Meets in a dry way about deposits of silt, etc. |
| LOESS | Loamy deposit formed by wind (5) |
| DUNE | Hill formed by wind |
| WEAR | Erosion from river in North East? (4) |
| ABRASION | Erosion from scraping |
| SEAGRASS | Plants growing in or near the ocean; Posidonia is one variety endemic to the Mediterranean, and conservation projects in Mallorca and neighbouring islands aim to protect this natural barrier to erosio |
| ELUVIUM | Accumulated mass of sand, silt or rock particles formed by in situ weathering or deposited by the wind (7) |
| POPLARS | Trees often planted as a windbreak around agricultural fields to protect against wind erosion (7) |
| DRUMLIN | Oval ridge formed during the Ice Age (7) |
| TOPSOIL | Upper layer of matter composed of sand, silt, clay, and humus in which plants are rooted (7) |
| WINDGAP | A valley cut through a ridge by a river that has run dry (4,3) |
| CARIBOU | Deer united below a ridge in Colorado (7) |
| CRESTED | Having a ridge (7) |
| VALLATE | Bordered by a ridge |
| HUMDRUM | Commonplace smell on a ridge (7) |
| CRINKLE | A corrugation, crimp, furrow, pucker or other winding zigzaggy ruckle observed on creased cloth, an old wavy barrier of bricks, paper money, a ridge-cut potato chip or an unhealthy strawberry leaf; or |
