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Featured Terms

  1. anthracite
  2. boulder
  3. cwm
  4. erratic
  5. igneous
  6. intrusive
  7. mesa
  8. sedimentary
  9. silt
  10. swale

GEOLOGY

All Terms

  1. interfluve
  2. interglacial
  3. intermontane
  4. interstadial
  5. intraplate
  6. intrude
  7. intrusion
  8. intrusive
  9. iron
  10. iron pyrites
  11. ironstone
  12. is
  13. isinglass
  14. isl
  15. island
  16. islet
  17. isopach
  18. isostasy
  19. isth
  20. isthmus
  21. joint
  22. Jurassic
  23. juv
  24. juvenile
  25. K–T
  26. K–T boundary
  27. kame
  28. kaolin
  29. karoo
  30. karst
  31. kerogen
  32. kettle
  33. key
  34. kieselguhr
  35. kloof
  36. knob
  37. knoll
  38. kopje
  39. l
  40. labile
  41. laccolith
  42. lacustrine
  43. lagoon
  44. lahar
  45. lake
  46. lallan
  47. land
  48. landform
  49. landlocked
  50. landmass