| PLANETOLOGY | Level surface required to record unknown quantity in study of large rocks |
| PSYCHOLOGY | Lunatic to record unknown quantity for what mind-reader studies perhaps (10) |
| STONEHENGE | Collection of big rocks - the ones transported around England? |
| RETHINK | The cracks in slippery surface required further assessment (7) |
| TAPE | This gives the precise footage required to record a stately dance (4-7) |
| MEASURE | This gives the precise footage required to record a stately dance (4-7) |
| MACRO | Economics prefix relating to the study of large systems |
| TOMES | If it's up to me, start study of large volumes (5) |
| MACROECONOMICS | Study of large-scale financial matters such as national income |
| DERMATOLOGY | Dream about to record unknown science of the skin (11) |
| DOLMEN | Type of megalithic tomb featuring large rocks found in parts of Ireland. (6) |
| RADIOLOGY | Set to record unknown cancer therapy (9) |
| PLATFORM | From "ground plan" , 'flat shape", a raised level, surface of planks etc, such as a stage for speakers, a place for mounting guns, the floor of a bus or a pavement for rail passengers; or, a basis of |
| TOPOGRAPHY | Go back to summit in railway - a quiet hour in study of the area |
| GYRATE | Turn around, as head of gang is an unknown quantity in front of judge (6) |
| SHYISH | Withdrawing a bit of unknown quantity in type of kebab? |
| APHYLLY | Measure of acidity, unknown quantity in China, produces lack of foliage |
| ELECT | Unknown quantity in large plant returning to use power (5) |
| TREBUCHET | Medieval siege engine used for hurling large rocks etc. by means of a sling attached to a pivoted wooden arm (9) |
| THEOLOGY | They included old record in study of religion (8) |
