| MANTLE | Layer of the Earth's crust, or a cloak (6) |
| TECTONIC | Relating to the structure of the earth's crust or the internal forces that shape it (8) |
| ROCK | Flint, granite or other solid part of Earth's crust; or, a stick of seaside candy, often as hard as said stone (4) |
| COOKED | Large apple suited to baking under a pastry crust or a crumble topping, such as a Bountiful, Bramley, Grenadier, Newton Wonder or Peasgood's Nonsuch (6) |
| PASTRY | Mixture of shortening and flour traditionally baked-blind for tart/quiche bases and pie crusts; or, a general word for a cake made by a patissier (6) |
| LUTING | A word for cement or clay for stopping holes, thus a strip of pastry used to seal the crust or lid of a pie (6) |
| CRIMP | A kink/wave in hair or wool fibres; a pinch in the edge of a pie's pastry crust; or, a connector for a length of beading thread, cable or wire (5) |
| ECZEMA | A skin inflammation with lesions that scale, crust or ooze (6) |
| BALTIC | ____ Shield, a large section of the earth's crust stretching from Malmo to north west Russia (6) |
| GRABEN | Elongated block of the earth's crust between two faults (6) |
| MASSIF | Block of the earth's crust |
| SIAL | The granite-like rocks that form the outermost layer of the earth's crust. |
| SIMA | Rock that form the continuous lower layer of the earth's crust. |
| BAGUETTE | From "baton", "stick" or "wand", an elongated ficelle-like loaf of French bread with a crisp crust; or, something reminiscent of this in shape, such as a long rectangular gem or an astragal-like mould |
| LITHOSPHERE | Rigid outer layer of the earth, consisting of the crust and the upper mantle (11) |
| IONOSPHERE | Layer of the earth's atmosphere that lies above the mesosphere (10) |
| EXOSPHERE | One of the five layers of the Earth's atmosphere (9) |
| RENEWABLE | Harvesting the power of sunlight, the high temperatures of the earth's crust, the wind or waves; ... |
| RIFTVALLEY | Elongated trough formed by the subsidence of a segment of the Earth's crust along a fault (4,6) |
| THERMOSPHERE | An atmospheric layer of the Earth, lying between the mesosphere and the exosphere (12) |