 ##  [Law of Superposition](/law-superposition) 

  ##  [Law of Superposition](https://natural.quantumdictionary.io/law-superposition-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural &amp; Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A relative‑dating rule stating that in an undisturbed sequence of stratified sedimentary rocks, each layer is younger than the one beneath it and older than the one above it.

 

 

 

 

 





 

 



 ##  [Law of Superposition](https://humanitites.quantumdictionary.io/law-superposition-1) 

  

 [![Humanities & Arts Dictionary](/sites/default/files/styles/large/public/2026-01/Humanities%20%26%20Arts.png.webp?itok=4SMNHqFS)](/topic-specific-dictionaries/humanities-arts)



**Humanities &amp; Arts Dictionary**

 







 

 

 

 



 

 

 

 

Definition

In a sequence of undisturbed, stratified deposits, each depositional layer (stratum) is younger than the one it overlies and older than the one that overlies it; the law provides a relative chronological ordering of strata but not absolute ages.