Difference between revisions of "Template:Geologic time scale"

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|rowspan="4" style="background:#809090"| [[Hadean]]<br /><ref name="Precambrian-Time" /><ref name="hadeon-not-formal">Though commonly used, the [[Hadean]] is not a formal eon and no lower bound for the Archean and Eoarchean have been agreed upon. The Hadean has also sometimes been called the Priscoan or the Azoic. Sometimes, the Hadean can be found to be subdivided according to the [[lunar geologic time scale]]. These eras include the [[Cryptic era|Cryptic]] and [[Basin Groups]] (which are subdivisions of the [[Pre-Nectarian]] era), [[Nectarian]], and [[Early Imbrian]] units.</ref>
 
|rowspan="4" style="background:#809090"| [[Hadean]]<br /><ref name="Precambrian-Time" /><ref name="hadeon-not-formal">Though commonly used, the [[Hadean]] is not a formal eon and no lower bound for the Archean and Eoarchean have been agreed upon. The Hadean has also sometimes been called the Priscoan or the Azoic. Sometimes, the Hadean can be found to be subdivided according to the [[lunar geologic time scale]]. These eras include the [[Cryptic era|Cryptic]] and [[Basin Groups]] (which are subdivisions of the [[Pre-Nectarian]] era), [[Nectarian]], and [[Early Imbrian]] units.</ref>
 
|style="background:#809090"| [[Early Imbrian]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names">These unit names were taken from the [[Lunar geologic timescale]] and refer to geologic events that did not occur on Earth. Their use for Earth geology is unofficial. Note that their start times do not dovetail perfectly with the later, terrestrially defined boundaries.</ref>
 
|style="background:#809090"| [[Early Imbrian]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names">These unit names were taken from the [[Lunar geologic timescale]] and refer to geologic events that did not occur on Earth. Their use for Earth geology is unofficial. Note that their start times do not dovetail perfectly with the later, terrestrially defined boundaries.</ref>
|colspan="4"| Indirect [[photosynthetic]] evidence (e.g., [[kerogen]]) of primordial life.  This era overlaps the end of the [[Late Heavy Bombardment]] of the [[inner solar system|inner]] [[solar system]].
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|colspan="4"| Indirect [[photosynthetic]] evidence (e.g., [[kerogen]]) of primordial life.  This era overlaps the end of the [[Late Heavy Bombardment]] of the [[inner solar system|inner]] [[solar system]].Oldest known rock (4030 [[Year#SI_prefix_multipliers|Ma]])<ref name="Oldest-rock">{{cite journal|doi=10.1007/s004100050465|title=Priscoan (4.00&ndash;4.03 Ga) orthogneisses from northwestern Canada|year=1999|author=Bowring, Samuel A.|journal=Contributions to Mineralogy and Petrology|volume=134|issue=1|pages=3|last2=Williams|first2=Ian S.|bibcode=1999CoMP..134....3B}} The oldest rock on Earth is the [[Acasta Gneiss]], and it dates to 4.03 Ga, located in the [[Northwest Territories]] of Canada.</ref>. The first [[organism|life form]]s and [[self-replication|self-replicating]] [[RNA]] [[molecule]]s evolve around 4000 [[Year#SI_prefix_multipliers|Ma]], after the [[Late Heavy Bombardment]] ends on Earth. [[Napier_Mountains|Napier]] Orogeny in Antarctica, 4000&nbsp;±&nbsp;200 [[Year#SI_prefix_multipliers|Ma]].
 
|style="background:#809090"| 4100 c.
 
|style="background:#809090"| 4100 c.
 
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|style="background:#809090"| [[Basin Groups]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names" />
 
|style="background:#809090"| [[Basin Groups]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names" />
|colspan="4"| Oldest known rock (4030 [[Year#SI_prefix_multipliers|Ma]])<ref name="Oldest-rock">{{cite journal|doi=10.1007/s004100050465|title=Priscoan (4.00&ndash;4.03 Ga) orthogneisses from northwestern Canada|year=1999|author=Bowring, Samuel A.|journal=Contributions to Mineralogy and Petrology|volume=134|issue=1|pages=3|last2=Williams|first2=Ian S.|bibcode=1999CoMP..134....3B}} The oldest rock on Earth is the [[Acasta Gneiss]], and it dates to 4.03 Ga, located in the [[Northwest Territories]] of Canada.</ref>. The first [[organism|life form]]s and [[self-replication|self-replicating]] [[RNA]] [[molecule]]s evolve around 4000 [[Year#SI_prefix_multipliers|Ma]], after the [[Late Heavy Bombardment]] ends on Earth. [[Napier_Mountains|Napier]] Orogeny in Antarctica, 4000&nbsp;±&nbsp;200 [[Year#SI_prefix_multipliers|Ma]].
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|colspan="4"| Oldest known [[mineral]] ([[Zircon]], 4404&nbsp;±&nbsp;8 [[Year#SI_prefix_multipliers|Ma]]).<ref name="geology-wisc-edu">[http://www.geology.wisc.edu/%7Evalley/zircons/Wilde2001Nature.pdf Geology.wisc.edu]</ref>
 
|style="background:#809090"| 4500 c.
 
|style="background:#809090"| 4500 c.
 
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|style="background:#809090"| [[Cryptic era|Cryptic]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names" />
 
|style="background:#809090"| [[Cryptic era|Cryptic]]<ref name="Precambrian-Time" /><ref name="Lunar-geologic-timescale-names" />
|colspan="4"| Oldest known [[mineral]] ([[Zircon]], 4404&nbsp;±&nbsp;8 [[Year#SI_prefix_multipliers|Ma]]).<ref name="geology-wisc-edu">[http://www.geology.wisc.edu/%7Evalley/zircons/Wilde2001Nature.pdf Geology.wisc.edu]</ref> Formation of [[Moon]](4533 [[Year#SI_prefix_multipliers|Ma]]), probably from [[Giant_impact_hypothesis|giant impact]]. Formation of [[Earth]] (4567.17 to 4570[[Year#SI_prefix_multipliers|Ma]])
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|colspan="4"| Formation of [[Moon]](4533 [[Year#SI_prefix_multipliers|Ma]]), probably from [[Giant_impact_hypothesis|giant impact]]. Formation of [[Earth]] (4567.17 to 4570[[Year#SI_prefix_multipliers|Ma]])
 
|style="background:#809090"| 4567 c.
 
|style="background:#809090"| 4567 c.
 
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Revision as of 17:52, 10 March 2013

ar:قالب:المقياس الزمني الجيولوجي es:Plantilla:Escala temporal geológica hi:भूवैज्ञानिक समय-मान pt:Predefinição:Tempo geológico zh:Template:Geologic time scale