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- Chronozone abstract "A chronozone or chron is a slice of time that begins at a given identifiable event and ends at another. In the fossil record such tracer events are usually keyed to disappearance (extinction) of a widely distributed and rapidly changing species or the appearance of such a species in the geological record. Chronozones or chrons are used especially in the various disciplines related to geology, notably in stratigraphy where relative dating is employed.There are also events susceptible to identification and analysis by the physical sciences, such as Earth's magnetic field reversals or the location of a combination of chemical evidence in a layer corresponding to the meteor strike believed to have caused the extinction of the dinosaurs. Hence chronozones, and the international identification and acceptance of a widespread chronozone as an official useful marker or benchmark of time in the rock record, is non-hierarchical in that chronozones do not need to correspond across geographic or geologic boundaries, nor be equal in length (despite an early constraint that one be defined as smaller than a geological stage). A chronozone is usually defined in geologic terms for a geographical area by fossil names (biozone or biochronozone) or in worldwide terms by geomagnetic reversal identifiers (polarity chronozone).According to the International Commission on Stratigraphy, chronozone is the term used to refer to the rocks formed during the period of time in question, while the word chron refers to that time period. The key factor in designating an internationally acceptable chronozone is whether the overall fossil column is clear, unambiguous, and widespread. Hence, some accepted chronozones contain others, and certain larger chronozones have been designated which span whole define geological time units, both large and small.For example, the chronozone known as the Reign of Tiberius (14 to 37 AD) is a subset of the chronozone Imperial Rome. Similarly the chronozone Pliocene is a subset of the chronozone Neogene, and the chronozone Pleistocene is a subset of the chronozone Quaternary.".
- Chronozone wikiPageExternalLink md08.html.
- Chronozone wikiPageExternalLink displayAbstract?fromPage=online&aid=74669.
- Chronozone wikiPageExternalLink aeon.
- Chronozone wikiPageExternalLink etyindex.html.
- Chronozone wikiPageExternalLink geotime.htm.
- Chronozone wikiPageExternalLink cheu.pdf.
- Chronozone wikiPageExternalLink gssp.htm.
- Chronozone wikiPageExternalLink over.htm.
- Chronozone wikiPageExternalLink timeform.html.
- Chronozone wikiPageExternalLink gtime1.html.
- Chronozone wikiPageID "13733666".
- Chronozone wikiPageRevisionID "595177903".
- Chronozone hasPhotoCollection Chronozone.
- Chronozone subject Category:Earth_sciences.
- Chronozone subject Category:Geochronology.
- Chronozone subject Category:Geologic_time_scale.
- Chronozone subject Category:Geology_timelines.
- Chronozone subject Category:Historical_geology.
- Chronozone subject Category:Paleobiology.
- Chronozone subject Category:Paleogeography.
- Chronozone subject Category:Stratigraphy.
- Chronozone subject Category:Units_of_time.
- Chronozone type Abstraction100002137.
- Chronozone type Chronology106503224.
- Chronozone type Communication100033020.
- Chronozone type Evidence106643408.
- Chronozone type GeologyTimelines.
- Chronozone type Indication106797169.
- Chronozone type Measure100033615.
- Chronozone type Record106647206.
- Chronozone type TimeUnit115154774.
- Chronozone type Timeline106504965.
- Chronozone type UnitsOfTime.
- Chronozone type WrittenRecord106502378.
- Chronozone comment "A chronozone or chron is a slice of time that begins at a given identifiable event and ends at another. In the fossil record such tracer events are usually keyed to disappearance (extinction) of a widely distributed and rapidly changing species or the appearance of such a species in the geological record.".
- Chronozone label "Chronozona".
- Chronozone label "Chronozone".
- Chronozone label "Chronozone".
- Chronozone label "Chronozone".
- Chronozone label "Cron (geología)".
- Chronozone label "Cronozona".
- Chronozone label "Cronozona".
- Chronozone sameAs Cron_(geología).
- Chronozone sameAs Chronozone.
- Chronozone sameAs Cronozona.
- Chronozone sameAs Chronozone.
- Chronozone sameAs Chronozona.
- Chronozone sameAs Cronozona.
- Chronozone sameAs m.03cgl35.
- Chronozone sameAs Q1121366.
- Chronozone sameAs Q1121366.
- Chronozone sameAs Chronozone.
- Chronozone wasDerivedFrom Chronozone?oldid=595177903.
- Chronozone isPrimaryTopicOf Chronozone.