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  1. A fragment of detritus (e.g., a sand grain or a pebble).
  2. A type of carbonate sedimentary rock that contains significant quantities of dolomite.
  3. A submarine avalanche of sediment and water that speeds down a submarine slope.
  4. Sedimentary rock made up of minerals that precipitate directly from water solution.
  5. The process by which sediment settles out of a transporting medium.
  6. The seaward migration of a shoreline caused by a lowering of sea level.
  7. A depression, created as a consequence of subsidence, that fills with sediment.
  8. 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.
  9. The vertical sinking of the Earth_s surface in a region, relative to a reference plane.
  10. The transformation of loose sediment into solid rock through compaction and cementation.
  11. The inland migration of shoreline resulting from a rise in sea level.
  12. Fine-grained sedimentary rock generally composed of very small quartz grains.
  13. 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.
  14. Sedimentary rock formed from material (such as shells) produced by living organisms.
  15. Very coarse-grained sedimentary rock consisting of rounded clasts.
  16. (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.
  17. A distinct layer of sedimentary strata.
  18. A lamination inclined to the main bedding; it represents the slip face of a layer deposited in a current.
  19. Wave-like ridges and troughs on the surface of a sedimentary layer formed during deposition in a current.
  20. Very fine-grained sedimentary rock that will not easily split into sheets.
  21. The grinding away and removal of Earth's surface materials by moving water, air, or ice.
  22. A clastic sedimentary rock composed of sand-sized grains that include quartz and feldspar.
  23. Changes that happen to sediment or sedimentary rock during and subsequent to lithification but at temperatures less than that of the lowest grade metamorphism.
  24. Sedimentary rock composed of calcite.
  25. Coarse-grained sedimentary rock consisting almost entirely of quartz.
  26. A carbonate rock formed by precipitation of carbonate minerals from water at springs or on the surface of caves.
  27. Sedimentary rock (such as coal) formed from carbon-rich relicts of organisms.
  28. 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.
  29. Sedimentary rock consisting of cemented-together detritus derived from the weathering of preexisting rock.
  30. A succession of sedimentary beds.
  31. A characteristic of sedimentary deposits that pertains to the character of bedding and/or the surface features of a bed.
  32. 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.
  33. Very fine-grained sedimentary rock that breaks into thin sheets.
  34. Coarse sedimentary rock consisting of angular fragments; or rock broken into angular fragments by faulting.