- biostratigraphic unit
- noun
: a group of geologic strata characterized by a particular fossil fauna or flora rather than by lithologic features
Useful english dictionary. 2012.
biostratigraphic unit
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Geological unit — A geological unit is a volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.… … Wikipedia
Biozone — Biostratigraphic units or Biozones are intervals of geological strata that are defined on the basis of their characteristic fossil taxa. A biostratigraphic unit may be defined on the basis of a single taxon or combinations of taxa, on relative… … Wikipedia
Biostratigraphy — is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them. Usually the aim is correlation, demonstrating that a particular horizon in one geological … Wikipedia
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Faunal assemblage — is the archaeological or paleontological term for a group of associated animal fossils found together in a given stratum. The principle of faunal succession is used in biostratigraphy to determine each biostratigraphic unit, or biozone. The… … Wikipedia
Principle of faunal succession — The principle of faunal succession is based on the observation that sedimentary rock strata contain fossilised flora and fauna, and that these fossils succeed each other vertically in a specific, reliable order that can be identified over wide… … Wikipedia
biozone — noun A biostratigraphic unit: an interval of geological strata defined on the basis of its characteristic fossil taxa … Wiktionary
geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… … Universalium
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Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… … Wikipedia
