Across
- 1. the thin and solid outermost layer of the ear above mantle.
- 4. the series of processes in which a rock forms changes from one type to another is destroyed and forms again by geologic processes.
- 6. the process of returning land to the original condition after mining it completed.
- 8. the process by which wind water ice or gravity transports soil and sediment from one location to another.
- 9. the body of molten rock that feeds a volcano.
- 13. the soft layer of the mantle on which the tectonic plates move.
- 14. a substance that can not be separated or broken down into simpler substances by chemical means.
- 18. the solid outer layer of the earth consist of the crust and rigid upper of the mantle.
- 19. an opening at the surface of the earth through which volcanic material passes.
- 21. the color of the powder of a mineral.
- 23. a naturally occurring solid mixture of one or more minerals or organic matter.
- 25. the manner in which a mineral breaks along either curved or irregular surface.
- 28. a large semicircular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink.
- 29. a naturally formed inorganic solid that has a definite crystalline structure.
- 31. a wide flat land form that results from repeated nonexplosive eruptions of lava that spreads over a large area.
- 32. a substance made up of atoms of two or more different elements joined by chemical bonds.
- 33. an area of deep cracks that form between two tectonic plates that are pulling away from each other.
- 34. a volcanic active area of earths surface far from a tectonic plate boundary.
Down
- 2. a mineral that contains a combination of silicon oxygen and one or more metals.
- 3. a vent or fissure in the earths surface through which magma and gases are expelled.
- 5. the ratio of the mass of substance to the volume to the substance.
- 7. the strong lower part of the mantle between the asthenosphere and the outer core.
- 10. the splitting of a mineral along smooth flat surfaces.
- 11. the central part of the earth below the mantle.
- 12. the quality of a rock that is based on the sizes shapes and position of the rocks grain.
- 15. a mineral that does not contain compound of silicon oxygen.
- 16. the way in which a mineral reflects light.
- 17. the process in which material is laid down.
- 20. a solid whose atoms ions or molecules are arranged in a definite pattern.
- 22. a natural material to be mined profitably.
- 24. the layer of rock between the earths crust and core.
- 26. a funnel shaped pit near the top of the central vent of a volcano.
- 27. a block of lithosphere the consist of the crust and the rigid outermost part of the mantle.
- 30. a measure of the ability of mineral to resist scratching.