| PLATE | Division of the earth's crust |
| AFRICAN | ___ Plate (major tectonic division of the earth's crust) |
| RENEWABLE | Harvesting the power of sunlight, the high temperatures of the earth's crust, the wind or waves; ... |
| TECTONICS | What is the study of the processes affecting the structure of the Earth's crust? (9) |
| SCOTT | Author of the Raj Quartet comprising The Jewel in the Crown, The Day of the Scorpion, The Towers of Silence and A Division of the Spoils (5) |
| GEOLOGY | The study of the development and structure of the earth's crust (7) |
| SIAL | The granite-like rocks that form the outermost layer of the earth's crust. |
| RIFTVALLEY | Elongated trough formed by the subsidence of a segment of the Earth's crust along a fault (4,6) |
| TECTONIC | Of or relating to the structure or movements of the earth's crust (8) |
| FELDSPAR | Any of a group of rock-forming minerals, mainly aluminium silicates, that represent about 60% of the earth's crust (8) |
| SILICATE | Kind of compound comprising most of the earth's crust |
| SIMA | Rock that form the continuous lower layer of the earth's crust. |
| UPHEAVAL | Raising of part of the earth's crust alters a pH value |
| GEOLOGIST | One who studies the history of the earth's crust (9) |
| ROLLS | Master of the ____, the head of the civil division of the Court of Appeal |
| SILICON | More than a quarter of the earth's crust |
| MASSIF | Block of the earth's crust |
| TECTONICPLATES | Shifting slabs of the Earth's crust: 2 wds. |
| MANTLE | Layer of the Earth's crust (6) |
| DIRTPORTION | Very, very top of the earth's crust? |
