| SEDIMENTARY | Like rocks that are formed from mineral or organic matter deposited by water, air or ice |
| DRESSING | Size for stiffening textiles; a sauce such as vinaigrette; a US word for farce, forcemeat or stuffing; a scolding; gauze or lint for a wound; or, organic matter applied to the land (8) |
| ALLUVIUM | Matter deposited by rivers (8) |
| THIN | Word before air or ice |
| AMINE | A source of mineral or organic compound (5) |
| ALLUVIA | Matters deposited by bankers (7) |
| SIAL | The granite-like rocks that form the outermost layer of the earth's crust. |
| TANGRAM | Chinese puzzle in which shapes are formed from a square cut up into seven pieces (7) |
| VERBS | What gerunds are formed from |
| SATURDAY | A lump of waste matter, deposited in, say, 24hrs (8) |
| ELEMENT | Earth, water, air or fire in the ancient world-view but hydrogen, gold or uranium today |
| STRUCTURE | From the Latin for "to build", the manner of putting together a building, conversation or plan; a biological, morphological or organic form; or, a thing made (9) |
| LIMESCALE | Hard white substance deposited by water on the inside of kettles, pipes and the like (9) |
| ELEMENTS | Earth, water air or fire? (8) |
| SALT | Ocean mineral or crystal from the sea, taken up as a real or figurative pinch when seasoning one's chips or in a state of doubt or incredulity (4) |
| GUT | Kind of class that might get a nickname like Rocks for Jocks or Stars for Stoners |
| ORE | From "brass, bronze", word for unwrought metal first, later a mineral or rock, such as gold or quartz, that can be worked economically (3) |
| SPA | Word that sounds like a smooth mineral or a practice bout in the boxing ring, but is in fact a bath or a spring (3) |
| BAUXITIC | Describing the clay-like rock that is the main ore of aluminium (8) |
| IGNEOUS | Like rocks formed from magma |