noun
definition
The study of rock layers and the layering process (stratification).
definition
The layering of deposits, with newer remains overlaying older ones, forming a chronology of the site.
Examples of stratigraphy in a Sentence
Recent peat stratigraphy shows evidence of a history of wooded bog on this site.
The student will be trained in sedimentology and sequence stratigraphy, field and mine mapping, coal petrography and geochemistry.
Annual layers in polar firn detected by Borehole Optical Stratigraphy.
The sections created by the quarrying enabled us to inspect and record the stratigraphy of the heap.
Excavations reveal an intact stratigraphy of 22 vertical meters containing 36 layers from Lower Paleolithic through to Medieval.
But they are poor at defining stratigraphy and hence at finding fields resident in stratigraphic traps.
This international correlation was the first in Buckland's attempts to produce a world-wide stratigraphy.
Despite a history of cultivation, trial excavation showed that archeological stratigraphy survived below ground.
A 2/3 day field course at the end provides the opportunity to examine critical sites upon which the British quaternary stratigraphy is based.
Careful excavation is needed to sort out such complex stratigraphy.
A research team, focuses on the Quaternary records of Greece, using the latest methods of high resolution stratigraphy.
Therefore, any opportunity to examine in plan sites where vertical stratigraphy is likely to survive should be considered a high priority.
Records from Southern Germany are correlated to the UK stratigraphy using strontium isotope stratigraphy.
The next two sections provide an introduction to sequence stratigraphy.
The Schlitt has left us with 6 sections displaying the stratigraphy of the area.
The new excavations gave the possibility to determine the stratigraphy of the cultural deposits of the ancient monument.
This international correlation was the first in Buckland 's attempts to produce a world-wide stratigraphy.
A 2/3 day field course at the end provides the opportunity to examine critical sites upon which the British Quaternary stratigraphy is based.
Sedgwick attacked the problem in the Snowdon district, where the rocks are highly altered and displaced and where fossils are comparatively difficult to obtain; Murchison, on the other hand, began to work at the upper end of the series where the stratigraphy is simple and the fossils are abundant.
The rocks of Secondary and Tertiary ages have been profoundly affected by the Alpine movements, and are thrown into a series of complex folds, so that in numerous instances their stratigraphy is imperfectly understood.
The rocks, for convenience classed as pre-Cambrian, occur as several unconformable groups, chiefly developed in the south where alone their stratigraphy has been determined.
We shall pass over here the labours of Adam Sedgwick (1785-1873) and Sir Roderick Murchison (1792-1871) in the Palaeozoic of England, which because of their close relation to stratigraphy more properly concern geology; but must mention the grand contributions of Joachim Barrande (1799-1883), published in his Systeme silurien du centre de la Boheme, the first volume of which appeared in 1852.
The term is a relic of that early period in the history of stratigraphy when each group of strata was supposed to be distinguished by some peculiar lithological character.
His famous " law of correlation," which by its apparent brilliancy added enormously to his prestige, is not supported by modern philosophical anatomy, and his services to stratigraphy were diminished by his generalizations as to a succession of sudden extinctions and renovations of life.
The history of invertebrate palaeontology during the second period is more closely connected with the rise of historic geology and stratigraphy, especially with the settlement of the great and minor time divisions of the earth's history.