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The study of rock strata, especially the distribution, deposition, and age of sedimentary rocks.

strat′i·graph′ic (străt′ĭ-grăf′ĭk), strat′i·graph′i·cal (-ĭ-kəl) adj.
strat′i·graph′i·cal·ly adv.


1. (Geological Science) the study of the composition, relative positions, etc, of rock strata in order to determine their geological history
2. (Archaeology) archaeol a vertical section through the earth showing the relative positions of the human artefacts and therefore the chronology of successive levels of occupation
Abbreviation: stratig
stratigrapher, stratigraphist n
stratigraphic, ˌstratiˈgraphical adj


(strəˈtɪg rə fi)

a branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks.
stra•tig′ra•pher, n.
strat•i•graph•ic (ˌstræt ɪˈgræf ɪk) adj.
strat`i•graph′i•cal•ly, adv.


the branch of geology that studies the classification, correlation, and interpretation of stratified rocks. — stratigrapher, n.stratigraphic, stratigraphical, adj.
See also: Geology


1. The study of the composition and relative positions of rock strata.
2. A section cut vertically in the ground and used, by examining the different layers, to determine the chronology of human artifacts or settlement remains that are found buried.
3. The study of stratified (layered) rocks.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.stratigraphy - the branch of geology that studies the arrangement and succession of strata
geology - a science that deals with the history of the earth as recorded in rocks
References in periodicals archive ?
Further work will be required to better define the stratigraphy depths in that region."
La Touche (1893) described the physiography, stratigraphy, general structural setting, and economic geology of the study area.
Among their topics are making meaning of myth: the interpretation of mythological imagery in the Polyxena Sarcophagus and the Kizilbel Tomb and the history of Achaemenid Asia Minor, from Mezntie to Mezentius: the stratigraphy of a myth in Etruria and Rome, distributive narrative: a very short history of juxtaposing myths on Pompeian walls, Gilgamesh and Homer: the missing link, and the transformations of Achilles on late Roman mosaics in the east.
Dimitri Kaljo's scientific focus has been on Ordovician and Silurian fossils, stratigraphy, palaeogeography, and more recently, geochemistry.
2016-2018 scout-type drill holes, comprised of 22 individual holes drilled from 15 total drill sites, have importantly added to the knowledge of, and geological understandings of the permissive lithologies and favorable stratigraphy of the project.
Soil sampling at Kabolela South has shown encouraging elevated cobalt and copper results tracking the same stratigraphy as a former operating pit on the southern border of the Kabolela property.
Hyatt), and a commentary on the findspots and stratigraphy (Thomas Landvatter).
The International Commission on Stratigraphy will be meeting later this year to examine evidence for establishing the Anthropocene as a true geologic epoch marking when human activities began to have a significant impact on Earth's geology and ecosystems.
It was demonstrated that stratigraphy is present, well-preserved, and represents all three European occupations.
Victoriano Pujalte, lecturer in the UPV/EHU's Department of Stratigraphy and Palaeontology, and lead researcher of the study, said that the fall in sea level did not unleash the emission of greenhouse gases during the Palaeocene-Eocene Thermal Maximum (PETM).