| Answer | Crossword Clue |
|---|---|
| TEETER | Rock on the edge |
| selvedges | A zone of altered rock, esp. volcanic glass, at the edge of a rock mass |
| selvages | A zone of altered rock, esp. volcanic glass, at the edge of a rock mass |
| ophiolite | a slice of oceanic rock and upper mantle that has been thrust over the edge of a continent |
| ophiolites | OPHIOLITE, a slice of oceanic rock and upper mantle that has been thrust over the edge of a continent |
| rimrocks | An outcrop of resistant rock forming a margin to a gravel deposit, esp. one forming a cliff at the edge of a plateau |
