Rocks

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  1. 3. Mixture of molten or semi-molten rock.
  2. 6. A hard non-foliated metamorphic rock which was originally pure quartz sandstone
  3. 8. A metamorphic rock formed by the contact between mudstone, shale, or other clay rich, rock.
  4. 9. Removes soil, rock, or dissolved material from one location on the Earth's crust to another location.
  5. 12. The outermost solid shell of a rocky planet or natural satellite.
  6. 14. A metamorphic rock form characterized by banding caused by segregation of different types of rock.
  7. 15. A group of changes.
  8. 18. A type of foliated metamorphic rock created from slate that is further metamorphosed.
  9. 19. A dark igneous rock composed of calcium plagioclase, pyroxene, and minor olivine, but no quartz.
  10. 22. Minerals that include several closely related materials.
  11. 25. Formed by the deposition of material at the Earth's surface and within bodies of water.
  12. 28. A sedimentary rock composed mainly of sand-sized minerals or rock grains.
  13. 29. A metamorphic rock that has a hard compact variety of coal and has a sub metallic luster, also has the highest carbon content.
  14. 30. The change of chemicals or Geologic texture
  15. 31. The original unmetamorphosed rock from which a given metamorphic rock is formed.
  16. 32. A naturally occurring material that is broken down by processes of weathering and erosion.
  17. 36. Study of rocks
  18. 37. An extremely fine-grained sedimentary rock consisting of a mixture of clay and silt-sized particles.
  19. 38. Formed through tectonic forces or volcanism.
  20. 39. A detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar.
Down
  1. 1. It's different from a rock, and does not have a specific chemical composition.
  2. 2. A sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments.
  3. 4. A metamorphic rock formed by ductile deformation of a protolith with a large shear strain.
  4. 5. A sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate.
  5. 7. A metamorphic rock typically containing muscovite, biotite, chlorite, and quartz
  6. 10. Formed through the cooling and solidification of magma or lava.
  7. 11. A metamorphic rock form of limestone, typically white with colored mottling(s) or streaks.
  8. 13. A dark green mineral consisting of hydrated magnesium silicate, sometimes spotted like a snake's skin
  9. 16. A technique used to purify chemicals
  10. 17. A metamorphic rock which is largely composed of the mineral talc and thus is rich in magnesium.
  11. 20. A Igneous rock typically composed largely of plagioclase with pyroxene and olivine.
  12. 21. The transformation of a pre-existing rock.
  13. 23. A fine-grained Sedimentary rock consisting of consolidated silt.
  14. 24. The breaking down of rocks, soil, and minerals.
  15. 26. The result of magma reaching the surface either as lava or fragmental ejecta.
  16. 27. A Igneous rock that is granular and phaneritic in texture.
  17. 33. A fine-grained grey, green or bluish-purple metamorphic rock easily split into smooth, flat plates.
  18. 34. The remains or impression of a prehistoric plant or animal embedded in rock and preserved to petrified form.
  19. 35. A rupture in the crust of a planetary-mass object.
  20. 40. A solid mineral material forming part of the Earth's surface.