cross-stratification

Scientific  

1. 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.

2. ◆ Cross-stratification in which the individual strata are greater than 1 cm (0.39 inch) in thickness is called cross-bedding.

3. ◆ Cross-stratification in which the individual strata are less than 1 cm (0.39 inch) in thickness is called cross-lamination.

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Example Sentences

This pile of thin, inclined layers of sediment is a classic sign of cross-stratification - a rock feature sculpted by water moving in a turbulent flow.

From BBC

Cross-stratification is one of those processes that is so well understood, you can use it to pull out some amazing information about the past environment in which it occurred.

From BBC

Two of their colleagues on the work have some particularly nice web resources related to cross-stratification.

From BBC

Cross-stratification from water currents, on the other hand, will likely show movement in assorted directions.

From BBC

For anyone about to begin their study of geology, cross-stratification, or cross-bedding, will be one of the first topics to be covered in "sedimentary processes", and Shaler is a beautiful example.

From BBC