Rocks

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