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  1. bed
  2. Limestone
  3. breccia
  4. graded bed
  5. transgression
  6. clastic sedimentary rock
  7. lithification
  8. mudstone
  9. erosion
  10. Subsidence
  11. shale
  12. sedimentary basin
  13. arkose
  14. sedimentary structure
  15. Sandstone
  16. Deposition
  17. sedimentary rock
  18. regression
  19. Sorting
  20. strata
  21. diagenesis
  22. Clasts
  23. Conglomerate
  24. Cementation
  25. cross bed
  26. chemical sedimentary rock
  27. organic sedimentary rock
  28. travertine
  29. ripple marks
  30. turbidity current
  31. siltstone
  32. stratigraphic formation
  33. dolostone
  34. biochemical sedimentary rock
  1. a A submarine avalanche of sediment and water that speeds down a submarine slope.
  2. b The vertical sinking of the Earth_s surface in a region, relative to a reference plane.
  3. c Coarse sedimentary rock consisting of angular fragments; or rock broken into angular fragments by faulting.
  4. d Sedimentary rock consisting of cemented-together detritus derived from the weathering of preexisting rock.
  5. e The inland migration of shoreline resulting from a rise in sea level.
  6. f Coarse-grained sedimentary rock consisting almost entirely of quartz.
  7. g Sedimentary rock formed from material (such as shells) produced by living organisms.
  8. h A type of carbonate sedimentary rock that contains significant quantities of dolomite.
  9. i Very fine-grained sedimentary rock that will not easily split into sheets.
  10. j A distinct layer of sedimentary strata.
  11. k The process by which sediment settles out of a transporting medium.
  12. l A layer of clastic sediment or sedimentary rock in which clast size progressively decreases from the base to the top of the bed; graded beds form by deposition from a turbidity current.
  13. m A succession of sedimentary beds.
  14. n A carbonate rock formed by precipitation of carbonate minerals from water at springs or on the surface of caves.
  15. o Fine-grained sedimentary rock generally composed of very small quartz grains.
  16. p Very fine-grained sedimentary rock that breaks into thin sheets.
  17. q Sedimentary rock (such as coal) formed from carbon-rich relicts of organisms.
  18. r The grinding away and removal of Earth's surface materials by moving water, air, or ice.
  19. s A fragment of detritus (e.g., a sand grain or a pebble).
  20. t The seaward migration of a shoreline caused by a lowering of sea level.
  21. u Wave-like ridges and troughs on the surface of a sedimentary layer formed during deposition in a current.
  22. v A characteristic of sedimentary deposits that pertains to the character of bedding and/or the surface features of a bed.
  23. w A lamination inclined to the main bedding; it represents the slip face of a layer deposited in a current.
  24. x Sedimentary rock made up of minerals that precipitate directly from water solution.
  25. y Sedimentary rock composed of calcite.
  26. z A clastic sedimentary rock composed of sand-sized grains that include quartz and feldspar.
  27. aa A recognizable layer of a specific sedimentary rock type or set of rock types, deposited during a certain time interval, that can be traced over a broad region.
  28. ab A depression, created as a consequence of subsidence, that fills with sediment.
  29. ac Very coarse-grained sedimentary rock consisting of rounded clasts.
  30. ad Rock that forms either by the cementing together of fragments broken off preexisting rock or by the precipitation of mineral crystals out of water solutions at or near the Earth_s surface.
  31. ae Changes that happen to sediment or sedimentary rock during and subsequent to lithification but at temperatures less than that of the lowest grade metamorphism.
  32. af The transformation of loose sediment into solid rock through compaction and cementation.
  33. ag The phase of lithification in which cement, consisting of minerals that precipitate from groundwater, partially or completely fills the spaces between clasts and attaches each grain to its neighbor.
  34. ah (1) The range of clast sizes in a collection of sediment; (2) the degree to which sediment has been separated by flowing currents into different-size fractions.