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The study of the spatial and temporal distribution of fossil organisms, often interpolated with radiometric, geochemical, and paleoenvironmental information as a means of dating rock strata.


the examination of the ages of rock strata by using fossils


(ˌbaɪ oʊ strəˈtɪg rə fi)

a branch of geology dealing with the differentiation of sedimentary rock.
bi`o•strat`i•graph′ic (-ˌstræt ɪˈgræf ɪk) adj.
References in periodicals archive ?
After preparing samples and making thin sections, lithostratigraphical and biostratigraphical studies were precisely performed.
Biostratigraphical correlations of Early Devonian vertebrate assemblages of the Old Red Sandstone Continent.
This is based on biostratigraphical research done jointly by BP and the Geology Institute of Azerbaijan.
Human impact in the Lake Malaren region, south-central Sweden during the Viking Age (AD 750-1050): a survey of biostratigraphical evidence, in U.
Core continues to expand its Deepwater Santos Basin and Pre-Salt Brazil projects, which provide detailed investigations of the sedimentological, petrographical, biostratigraphical, geochemical, and petrophysical properties of the reservoirs and source horizons, integrated with an evaluation of associated seal-rock lithologies and correlated with local deep-seated basement tectonic structures.
Precise time-correlation in the Ordovician can be achieved by biostratigraphical methods, particularly using graptolite, conodont and chitinozoan distribution (biozones).
This gap in the bentonite record was probably caused by a break in sedimentation near the Llandovery--Wenlock boundary, which was also proposed on the basis of biostratigraphical evidence (Nestor & Nestor 2002, 2003).
Because the stratigraphic position of the type Middendorf Locality is uncertain, we attempted to extract palynomorphs for biostratigraphical analysis; however, none were recovered.
This is based on a biostratigraphical research work done jointly by the Geology Institute of Azerbaijan and British Petroleum.
The correlation problems are partly due to still insufficient biostratigraphical data, and are mainly connected with correlations between shallow and deeper shelf successions.