Geological Crossword 2

ACROSS 2. Rocks formed by the accumulation and consolidation of mineral and organic fragments that have been deposited by water, ice, or wind 3. The gaseous envelope surrounding the earth or any other celestial body 4. A relic, remnant, or representation of an organism that existed in a past geological age, that has been preserved. 6. Rocks derived by solidification of magma or molten lava 7.  The rigid outer layer of the earth, having an average thickness of about 75 km 8. bend in stratified rocks that results from movements within the earth's crust 9. A central or fundamental part or thing around which others are grouped 10. The part of the earth between the crust and the core, accounting for more than 82% of the earth's volume

DOWN 1. Rocks altered from their original structure and mineralogy by pressure and heat 5. The lowest atmospheric layer, about 18 kilometres