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Geochronology

Geochronology is the science of determining the age of rocks, fossils, and sediments using signatures inherent in the rocks themselves. Absolute geochronology can be accomplished through radioactive isotopes, whereas relative geochronology is provided by tools such as paleomagnetism and stable isotope ratios. By combining multiple geochronological (and…

Measurement, Standards & Science

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Dating methods

Radioactive decayRadioactive isotopeHalf-lifeRadiocarbon datingRadiogenic
42 related topics

Interval hierarchy

EonEraPeriodEpochAge
6 related topics

Differences from chronostratigraphy

TyrannosaurusCretaceousHell Creek
3 related topics

Overview

ScienceDetermining the ageRocksFossilsSediments
12 related topics

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Overview

Dating methods

Interval hierarchy

Differences from chronostratigraphy

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Geochronology

Nodes68
Edges67
Triples39
Avg. degree1.97
Density0.029412
Components1

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Geochronology

Top relations

related to Further reading · 14
Geochronology → Elements, Frances, Guide No, ISBN, Longman, Origins Archive, Quaternary, Quaternary Research Association Technical, Reconstructing Quaternary Environments, Revolution, Smart, Talk, U-Pb, Walker
see also · 4
Geochronology → Archaeological, Astronomical, EarthAge, EarthThermochronologyList
related to External links · 3
Geochronology → Commission, Isotopes Data Portal International, Stratigraphy Geochronological Ontologies
is a · 2
Geochronology → prime tool used in the discipline of chronostratigraphy, science of determining the age of rocks

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Important terminology

age dating used rocks time absolute isotopes method fossil techniques science methods volcanic years radioactive geological within assemblages paleomagnetic fossils

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Geochronologyis ascience of determining the age of rocks0.90text
Geochronologyis aprime tool used in the discipline of chronostratigraphy0.90text
paleomagnetisminstance ofwhereas relative geochronology is provided by tools0.80text
stable isotope ratiosinstance ofwhereas relative geochronology is provided by tools0.80text
the radiocarbon methodinstance ofbut some0.80text
the 40Ar/39Ar dating method can be extended into the time of early human lifeinstance ofbut some0.80text
into recorded history.Some of the commonly used techniques areinstance ofbut some0.80text
quartzinstance ofBurial dating uses the differential radioactive decay of 2 cosmogenic elements as a proxy for the age at which a sediment was screened by burial from further cosmic rays exposur…0.80text
diamondinstance ofBurial dating uses the differential radioactive decay of 2 cosmogenic elements as a proxy for the age at which a sediment was screened by burial from further cosmic rays exposur…0.80text
feldsparinstance ofBurial dating uses the differential radioactive decay of 2 cosmogenic elements as a proxy for the age at which a sediment was screened by burial from further cosmic rays exposur…0.80text
and calciteinstance ofBurial dating uses the differential radioactive decay of 2 cosmogenic elements as a proxy for the age at which a sediment was screened by burial from further cosmic rays exposur…0.80text
pottery or cooking stonesinstance ofThermoluminescence and optically stimulated luminescence are used in archaeology to date 'fired' objects0.80text

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