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Mesoarchean

The Mesoarchean (/ˌmiːzoʊ.ɑːrˈkiːən, ˌmɛzoʊ-/ MEE-zoh-ar-KEE-ən, MEZ-oh-, also spelled Mesoarchaean) is a geologic era in the Archean Eon, spanning 3,200 to 2,800 million years ago, which contains the first evidence of modern-style plate subduction and expansion of microbial life. The era is defined chronometrically and is not referenced to a specific…

Environmental conditions, Tectonics & Early microbial life

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Alternate spelling(s)
Mesoarchaean
Celestial body
Earth
Chronological unit
Era
Lower boundary definition
Defined Chronometrically
Lower GSSA ratified
Not formally defined
Name formality
Formal

Topics to explore

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Overview

Tectonics

Environmental conditions

Early microbial life

Advanced semantic analysis

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Map overview Semantic statistics

Mesoarchean

Nodes31
Edges30
Triples35
Avg. degree1.94
Density0.064516
Components1

How this topic connects Entity context

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Mesoarchean

Top relations

related to Tectonics · 10
Mesoarchean → Australia, By, East Pilbara, East Pilbara Terrane, Ga, Pilbara Craton, The Mesoarchean, Vaalbara, West, West Pilbara Terrane
related to Environmental conditions · 6
Mesoarchean → Analysis, Atmospheric, Earth, Fahrenheit, The Mesoarchean, These
related to Early microbial life · 5
Mesoarchean → Archean, Cyanobacteria, Earth's, Microbial, Small
Alternate spelling(s) · 1
Mesoarchean → Mesoarchaean
Celestial body · 1
Mesoarchean → Earth
Chronological unit · 1
Mesoarchean → Era
Lower boundary definition · 1
Mesoarchean → Defined Chronometrically
Lower GSSA ratified · 1
Mesoarchean → Not formally defined
Name formality · 1
Mesoarchean → Formal
Proposed redefinition(s) · 1
Mesoarchean → 3490–2780 Ma Gradstein et al., 2012

Important terminology Word statistics

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Important terminology

era archean ma earth microbial life ga years ago geologic evidence modern-style chronometrically also proterozoic earth's glaciation mesoarchaean eon defined

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
MesoarcheanAlternate spelling(s)Mesoarchaean1.00infobox
MesoarcheanCelestial bodyEarth1.00infobox
MesoarcheanChronological unitEra1.00infobox
MesoarcheanLower boundary definitionDefined Chronometrically1.00infobox
MesoarcheanLower GSSA ratifiedNot formally defined1.00infobox
MesoarcheanName formalityFormal1.00infobox
MesoarcheanProposed redefinition(s)3490–2780 Ma Gradstein et al., 20121.00infobox
MesoarcheanProposed subdivisionsVaalbaran Period, 3490–3020 Ma Gradstein et al., 2012 Pongolan Period, 3020–2780 Ma Gradstein et al., 20121.00infobox
MesoarcheanRegional usageGlobal (ICS)1.00infobox
MesoarcheanStratigraphic unitErathem1.00infobox
MesoarcheanTime scale(s) usedICS Time Scale1.00infobox
MesoarcheanTime span formalityFormal1.00infobox
MesoarcheanUpper boundary definitionDefined Chronometrically1.00infobox
MesoarcheanUpper GSSA ratifiedNot formally defined1.00infobox

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