Across
- 2. the process of wearing or being worn by long exposure to the atmosphere
- 3. broken down by processes of weathering and erosion
- 5. Igneous Rock, igneous rock formed below earth's surface
- 8. Igneous Rock, igneous rock formed on earth's surface
- 10. molten or semi-molten natural material from which all igneous rocks are formed
- 13. igneous rock composed mainly of iron and magnesium
- 14. the process of eroding or being eroded by wind, water, or other natural agents
- 17. Composition, igneous rock lying between felsic and mafic
- 18. Rock, formed through the cooling and solidification of magma or lava
- 19. Rock, types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface
- 20. hot molten or semifluid rock erupted from a volcano
Down
- 1. Texture, large crystals embedded in a matrix of smaller crystals
- 4. the action of depositing something
- 6. Rock, from the transformation of existing rock to new types of rock
- 7. a thing composed of various elements
- 9. Cycle, describes transitions through geologic time among the three main rock types
- 11. Composition, indicating that a rock is composed of light colored sulfates
- 12. the exertion of force on something so that it becomes more dense
- 15. solid mineral material forming part of the surface of the earth
- 16. Composition, indicating that the rock contains substantial dark silicate materials