cross-stratification

An arrangement of sediment strata deposited at an angle to the main stratification. The most common type of cross-stratification is produced by the migration of sand dunes or ripples.♦ Cross-stratification in which the individual strata are greater than 1 cm (0.39 inch) in thickness is called cross-bedding.♦ Cross-stratification in which the individual strata are less than 1 cm (0.39 inch) in thickness is called cross-lamination.

Nearby words

  1. cross-sell,
  2. cross-slide,
  3. cross-staff,
  4. cross-sterile,
  5. cross-stitch,
  6. cross-string,
  7. cross-tolerance,
  8. cross-town,
  9. cross-trade,
  10. cross-train

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.