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law of superposition
NOUN
1.
Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
Source: Dictionary.com
law of superposition | Define law of superposition at Dictionary.com
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en.wikipedia.org/wiki/Law_of_superposition

The law of superposition is an axiom that forms one of the bases of the sciences of geology, archaeology, and other fields dealing with geological stratigraphy.

www.dictionary.com/browse/law-of-superposition

Law of superposition definition, Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer  ...

www.britannica.com/science/law-of-superposition

This is termed the law of superposition and is one of the great general principles of geology. Ordinarily, beds of sedimentary rocks are deposited more or less ...

pubs.usgs.gov/gip/fossils/laws.html

Jun 26, 1997 ... THE LAWS OF SUPERPOSITION AND CROSS-CUTTING RELATIONS. Diagram of basalt flow. The basalt flow shown here obeys the Law of ...

www.ask.com/youtube?q=Law+of+Superposition&v=EadTLGMu3LI
May 22, 2011 ... Mr. Andersen explains the law of superposition and the principle of original horizontality. He uses an animation to explain how rock layers can ...

pubs.usgs.gov/gip/fossils/rocks-layers.html

Aug 14, 1997 ... This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock ...

www.merriam-webster.com/dictionary/law%20of%20superposition

Define law of superposition: a law in geology: where there has been no subsequent disturbance sedimentary strata were deposited in ascending order…

www.bozemanscience.com/law-of-superposition

Mr. Andersen explains the law of superposition and the principle of original horizontality. He uses an animation to explain how rock layers can accumulate over ...

www.classzone.com/books/earth_science/terc/content/investigations/es2903/es2903page03.cfm

Using relative dating principles and the position of layers within rock, it is possible to reconstruct the sequence of geologic events that have occurred at a site.