SOIL 454 Test 2 Review Activity

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Across
  1. 2. techniques include C and K-Ar
  2. 6. climate stat higher in NM than ND
  3. 8. PM consisting of silt and/or VFS deposited by wind
  4. 9. goethite mineral formula
  5. 10. unsorted sediment deposited by glacial ice
  6. 12. “space for time” comparison of soil formation
  7. 14. top horizon of all four CAF pits
  8. 15. the most stable mineral found in soil
  9. 16. Surprisingly, rocks are mostly this element (by volume)
  10. 18. SFF that describes soil landscape position
  11. 20. “-sphere” describing the zone around an earthworm channel
  12. 21. mineral type formed from weathering
  13. 22. substance that determines soil CEC, shrink-swell, and aggregation
  14. 27. mycorrhizae are bacteria symbiotic with __ in soil
  15. 28. substance found in dry, sedimentary areas of Spain
  16. 30. relative texture of soil formed from rhyolite or shale
  17. 32. soil order known for high expanding clay content
  18. 33. kind of activity that influences O, A, Bhs, and even Bg horizons
  19. 34. number of basic silicate types
  20. 35. is this puzzle all you need to do for studying (yes or no)
  21. 36. climate stat higher in IA than CO
  22. 37. group of clays with high shrink-swell
  23. 41. should you still take the practice test on BbLearn (yes or no)
  24. 42. shape of Si + O crystals in clay layer sheets
  25. 44. mineral type originally formed from magma
  26. 46. soil property influenced by rock type aside from texture
  27. 47. prefix for non-durable, island silicates (1:4)
  28. 48. controlled by solar radiation, soil cover, and water content
  29. 49. soil irreversibly hardened by dried ferrihydrite
Down
  1. 1. horizon that forms slower than Bt but faster than Bo
  2. 2. The lowest horizon never gets a letter for __ or topo
  3. 3. region of Spain that receives the most rain
  4. 4. soil organisms include plants, animals, and these
  5. 5. well-sorted sandy PM deposited by rivers
  6. 7. “-chronology” describing multiple layers of volcanic in soil
  7. 10. prefix for network silicates (1:2)
  8. 11. old landscape setting where lacustrine PM is found
  9. 13. shape of metal/cation crystals in clay layer sheets
  10. 17. series name of CAF pit with carbonates
  11. 19. as MAP increases, SOM generally __
  12. 22. relative texture of soil formed from granite or sandstone
  13. 23. mineral class common in volcanic soils
  14. 24. short-range-order minerals are __ crystalline
  15. 25. as MAT increases, SOM generally __
  16. 26. 1:1 clay type with no isomorphic substitution
  17. 29. Al(OH)3 oxide in soil
  18. 31. substitution of same-sized elements in minerals
  19. 38. secondary mineral formed in arid soils
  20. 39. drainage of all CAF pits
  21. 40. causes transport of colluvium PM
  22. 43. common cation in goethite, ferrihydrite, and hematite
  23. 45. C horizons must be single-grained or __
  24. 46. coarse objects in soil formed from bedrock