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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 ?
New biostratigraphic and radiometric ages for Albian-Turonian Dakota Formation and Tropic Shale at 'Grand Staircase Escalante National Monument and Iron Springs Formation near Cedar City.
Foraminiferally defined biostratigraphic episodes and sedimentary pattern of the Cretaceous drift succession (Early Barremian to Late Maastrichtian) in seven basins on the South African and southern Namibian continental margin.
Biostratigraphic and chemostratigraphic correlation of Neoproterozoic sedimentary succession: upper Tindiar Group, northwestern Canada, as a test case.
In their argument for abandoning the Middle Palaeolithic period, Gao and Norton (2002) questioned the validity of the main criteria traditionally used for assigning material to the Middle Palaeolithic in China; namely, the age of the sites based on biostratigraphic and/or geologic ages and the presence/absence of archaic Harno sapiens remains.
Tertiary marine molluscan assemblages of eastern Patagonia (Argentina): a biostratigraphic analysis.
Biostratigraphic study of Miocene Ostracoda of Newjersey, Muryland and Virginia.
Some Siluro-Devonian biostratigraphic works have been conducted since the 1970s in the Yulin area.
The restricted environmental conditions resulted in a lack of generic and specific diversity, particularly the rarity of Neognathodus, the primary biostratigraphic indicator for the Desmoinesian Series.
Temporal mapping of known continental molluscan type specimens can highlight periods in time that are still under-sampled for fossil continental mollusks, allowing for targeted searches to try and fill these gaps in the biostratigraphic records.
New data about the fossil flora from Bobovdol basin and its biostratigraphic significance.
The contact represents an angular unconformity in the subsurface (Waldron and Rygel 2005) and records a pronounced biostratigraphic break marked by the appearance of Cordaites macroflora and the incoming of the cordaitalean prepollen Florinites (Calder 1998; Utting and Wagner 2005; Utting et al.