
study of geological layers or strata
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• (n.) That branch of geology which treats of the arrangement and succession of strata.
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(from the article `stratigraphy`) An important principle in the application of stratigraphy to archaeology is the law of superpositionthe principle that in any undisturbed deposit ...
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http://www.britannica.com/eb/a-z/s/170

scientific discipline concerned with the description of rock successions and their interpretation in terms of a general time scale. It provides a ... [15 related articles]
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http://www.britannica.com/eb/a-z/s/170

Stratigraphy is a method of dating fossils by observing how deeply a fossil is buried. Sedimentary rock layers (strata) are formed episodically as earth is deposited horizontally over time. Newer layers are formed on top of older layers, pressurizing them into rocks. Paleontologists can estimate the amount of time that has passed since the stratum ...
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Branch of geology that deals with sedimentary rock layers (strata) and their sequence of formation. Its basis was developed by English geologist William Smith. The basic principle of superposition...
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in archaeology, the study of the sequence of deposits and features eg floors, pits, middens etc produced by human activity, and their relation to one another which shows how the site has been used and occupied over time. Objects which are found in this sequence are stratified and can be rela...
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Refers to the origin, composition, distribution and succession of geologic strata (layers). ... (09 Oct 1997) ...
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(strә-tig´rә-fe) tomography.
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The science of the description, correlation, and classification of strata in sedimentary rocks, incl
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The arrangement of strata with respect to the position in which they were laid down by human occupation or from natural causes.
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Stra·tig'ra·phy noun [
Stratum +
-graphy .] That branch of geology which treats of the arrangement and succession of strata.
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http://www.encyclo.co.uk/webster/S/208

Subdiscipline of geology that studies sequence, spacing, composition, and spatial distribution of sedimentary deposits and rocks.
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The study of rock layers and classification of strata in sedimentary rocks, including the interpretation of the depositional environments of those strata.
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n. The study of rock layers, especially their distribution, environment of deposition, and age; stratigraphic, adj.
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n. The study of rock layers, especially their distribution, environment of deposition, and age; stratigraphic, adj.
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stratigraphy, stratigraphic, stratigrapher, stratigraphist 1. The study of the origin, composition, and development of rock strata. 2. A section cut vertically through the earth showing its different layers and allowing artefacts to be dated according to the layers in which they are found. 3. The way in which rock strata are arranged, and the chron...
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stratigraphy The branch of geology that is concerned with the order and relative position of the strata of the earths crust.
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Study of the formation, composition, and sequence of sediments, whether consolidated or not.
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https://www.encyclo.co.uk/local/20094

(1) The study of stratified rocks (sediments and volcanics) especially their sequence in time. (2) The character of the rocks and the correlation of beds in different localities.
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https://www.encyclo.co.uk/local/20127
noun the branch of geology that studies the arrangement and succession of strata
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The branch of geology concerned with the formation, composition, ordering in time, and arrangement in space of sedimentary rocks.
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Branch of geology that deals with sedimentary rock layers (strata) and their sequence of formation. Its basis was developed by English geologist William Smith. The basic principle of superposition establishes that upper layers or deposits accumulated later in time than the lower ones. Stratigraphy involves both the investigation of sedimentary stru...
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https://www.encyclo.co.uk/local/21221

Strictly, the description of bedded rock sequences; used loosely, the sequence of bedded rocks in a particular area.
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https://www.encyclo.co.uk/local/22734

a branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks.
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https://www.infoplease.com/dictionary/stratigraphy
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