cross bedding: meaning, definition, pronunciation and examples

C2
UK/ˌkrɒs ˈbedɪŋ/US/ˌkrɔːs ˈbedɪŋ/

Technical/Scientific

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Quick answer

What does “cross bedding” mean?

A geological structure where sedimentary layers are inclined relative to the main bedding plane, formed by water or wind currents.

Audio

Pronunciation

Definition

Meaning and Definition

A geological structure where sedimentary layers are inclined relative to the main bedding plane, formed by water or wind currents.

In geology, a sedimentary structure characterized by inclined layers (foresets) within a larger sedimentary unit, indicating the direction of ancient currents during deposition.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage between British and American English in technical contexts.

Connotations

Purely technical term with no additional cultural connotations in either variety.

Frequency

Equally rare in general discourse but standard in geological literature in both varieties.

Grammar

How to Use “cross bedding” in a Sentence

The sandstone shows cross bedding.Cross bedding indicates palaeocurrent direction.Researchers analysed the cross bedding.

Vocabulary

Collocations

strong
sedimentarytroughtabularherringbonehummockyangledirectionsetsstructures
medium
exhibitshowdisplayformcreateindicatepreserve
weak
ancientcleardistinctfinelarge-scalesmall-scale

Examples

Examples of “cross bedding” in a Sentence

verb

British English

  • Not applicable as a verb.

American English

  • Not applicable as a verb.

adverb

British English

  • Not applicable as an adverb.

American English

  • Not applicable as an adverb.

adjective

British English

  • The cross-bedding structures were well preserved.
  • A cross-bedding analysis was conducted.

American English

  • The cross-bedding features were clearly visible.
  • Cross-bedding patterns indicated fluvial deposition.

Usage

Meaning in Context

Business

Not used.

Academic

Used in geology, earth sciences, sedimentology, and palaeontology papers and textbooks.

Everyday

Virtually never used in everyday conversation.

Technical

Core term in sedimentology for describing and interpreting sedimentary rocks and depositional environments.

Vocabulary

Synonyms of “cross bedding”

Strong

cross-stratification

Neutral

inclined beddingcross-stratification

Weak

sedimentary structuresbedding planes

Vocabulary

Antonyms of “cross bedding”

horizontal beddingparallel lamination

Watch out

Common Mistakes When Using “cross bedding”

  • Using 'cross-bedding' as a verb (e.g., 'The river cross-bedded the sand'). It is only a noun.
  • Confusing it with 'crossbed' (a type of mattress).

FAQ

Frequently Asked Questions

It is typically written as two separate words ('cross bedding'), though the hyphenated form 'cross-bedding' is also common in technical writing.

Yes, cross bedding is common in aeolian (wind-blown) sandstones, such as those found in ancient desert environments.

Cross bedding features inclined layers, while graded bedding shows a gradual change in grain size from bottom to top within a single layer.

It is a key sedimentary structure used to interpret past environments (paleoenvironments), current directions (paleocurrents), and the way-up of rock sequences.

A geological structure where sedimentary layers are inclined relative to the main bedding plane, formed by water or wind currents.

Cross bedding is usually technical/scientific in register.

Cross bedding: in British English it is pronounced /ˌkrɒs ˈbedɪŋ/, and in American English it is pronounced /ˌkrɔːs ˈbedɪŋ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Imagine ancient river currents CROSSing and making slanted BEDS of sand in the rock.

Conceptual Metaphor

LAYERS ARE PAGES OF HISTORY (cross bedding reveals the story of ancient currents).

Practice

Quiz

Fill in the gap
The direction of the ancient river was determined by analysing the in the sandstone cliff.
Multiple Choice

What does cross bedding primarily indicate?