SOIL 454 Test 2 review - fall 2022

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