Difference between revisions of "Template:Geologic time scale"

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imported>Quest for Truth
imported>Vsmith
(rmv {{cn}}s from Precambrian, Archean, Proterozoic ,,, what's questioned? couple line breaks)
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|-
 
|-
 
|rowspan="2" style="background:{{period color|Wenlock}}"| [[Wenlock epoch|Wenlock]]
 
|rowspan="2" style="background:{{period color|Wenlock}}"| [[Wenlock epoch|Wenlock]]
|style="background:{{period color|Homerian}}"| [[Homerian]]/[[Lockportian]]
+
|style="background:{{period color|Homerian}}"| [[Homerian]]/<br>[[Lockportian]]
 
|style="background:{{period color|Homerian}}"| {{Period start|homerian}} ±&nbsp;0.7<sup>*</sup>
 
|style="background:{{period color|Homerian}}"| {{Period start|homerian}} ±&nbsp;0.7<sup>*</sup>
 
|-
 
|-
|style="background:{{period color|Sheinwoodian}}"| [[Sheinwoodian]]/[[Tonawandan]]
+
|style="background:{{period color|Sheinwoodian}}"| [[Sheinwoodian]]/<br>[[Tonawandan]]
 
|style="background:{{period color|Sheinwoodian}}"| {{Period start|sheinwoodian}} ±&nbsp;0.8<sup>*</sup>
 
|style="background:{{period color|Sheinwoodian}}"| {{Period start|sheinwoodian}} ±&nbsp;0.8<sup>*</sup>
 
|-
 
|-
 
|rowspan="3" style="background:{{period color|Llandovery}}"| [[Llandovery epoch|Llandovery]]/<br />[[Silurian|Alexandrian]]
 
|rowspan="3" style="background:{{period color|Llandovery}}"| [[Llandovery epoch|Llandovery]]/<br />[[Silurian|Alexandrian]]
|style="background:{{period color|Telychian}}"| [[Telychian]]/[[Ontarian]]
+
|style="background:{{period color|Telychian}}"| [[Telychian]]/<br>[[Ontarian]]
 
|style="background:{{period color|Telychian}}"| {{Period start|telychian}} ±&nbsp;1.1<sup>*</sup>
 
|style="background:{{period color|Telychian}}"| {{Period start|telychian}} ±&nbsp;1.1<sup>*</sup>
 
|-
 
|-
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|style="background:{{period color|Fortunian}}"| {{Period start|fortunian}}&nbsp;±&nbsp;1.0<sup>*</sup>
 
|style="background:{{period color|Fortunian}}"| {{Period start|fortunian}}&nbsp;±&nbsp;1.0<sup>*</sup>
 
|-
 
|-
|rowspan="18" style="background:{{period color|Precambrian}}"| [[Precambrian|Precam-<br />brian]]{{cn|date=December 2014}}<ref name="aka-cryptozoic">The [[Precambrian]] is also known as Cryptozoic.</ref>
+
|rowspan="18" style="background:{{period color|Precambrian}}"| [[Precambrian|Precambrian]]<ref name="aka-cryptozoic">The [[Precambrian]] is also known as Cryptozoic.</ref>
|rowspan="10" style="background:{{period color|Proterozoic}}"| [[Proterozoic|Proter-<br />ozoic]]{{cn|date=December 2014}}<ref name="Precambrian-Time">The [[Proterozoic]], [[Archean]] and [[Hadean]] are often collectively referred to as the [[Precambrian|Precambrian Time]] or sometimes, also the Cryptozoic.</ref>
+
|rowspan="10" style="background:{{period color|Proterozoic}}"| [[Proterozoic|Proterozoic]]<ref name="Precambrian-Time">The [[Proterozoic]], [[Archean]] and [[Hadean]] are often collectively referred to as the [[Precambrian|Precambrian Time]] or sometimes, also the Cryptozoic.</ref>
|rowspan="3" style="background:{{period color|Neoproterozoic}}"| [[Neoproterozoic|Neo-<br />proterozoic]]<ref name="Precambrian-Time" />
+
|rowspan="3" style="background:{{period color|Neoproterozoic}}"| [[Neoproterozoic|Neoproterozoic]]<ref name="Precambrian-Time" />
 
|style="background:{{period color|Ediacaran}}"| [[Ediacaran]]
 
|style="background:{{period color|Ediacaran}}"| [[Ediacaran]]
 
|colspan="3"| Good [[fossil]]s of the first [[Metazoa|multi-celled animal]]s. [[Ediacaran biota]] flourish worldwide in seas. Simple [[trace fossil]]s of possible worm-like ''[[Trichophycus pedum|Trichophycus]]'', etc. First [[Porifera|sponge]]s and [[Trilobita|trilobitomorph]]s. Enigmatic forms include many soft-jellied creatures shaped like bags, disks, or quilts (like''[[Dickinsonia]]''). [[Taconic Orogeny]] in North America. [[Aravalli Range]] [[orogeny]] in [[Indian Subcontinent]]. Beginning of [[Petermann Orogeny]] on [[Australia (continent)|Australian continent]]. Beardmore Orogeny in Antarctica, 633&ndash;620 [[Year#SI prefix multipliers|Ma]].
 
|colspan="3"| Good [[fossil]]s of the first [[Metazoa|multi-celled animal]]s. [[Ediacaran biota]] flourish worldwide in seas. Simple [[trace fossil]]s of possible worm-like ''[[Trichophycus pedum|Trichophycus]]'', etc. First [[Porifera|sponge]]s and [[Trilobita|trilobitomorph]]s. Enigmatic forms include many soft-jellied creatures shaped like bags, disks, or quilts (like''[[Dickinsonia]]''). [[Taconic Orogeny]] in North America. [[Aravalli Range]] [[orogeny]] in [[Indian Subcontinent]]. Beginning of [[Petermann Orogeny]] on [[Australia (continent)|Australian continent]]. Beardmore Orogeny in Antarctica, 633&ndash;620 [[Year#SI prefix multipliers|Ma]].
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|style="background:{{period color|Tonian}}"| {{Period start|tonian}}<ref name="absolute-age" />
 
|style="background:{{period color|Tonian}}"| {{Period start|tonian}}<ref name="absolute-age" />
 
|-
 
|-
|rowspan="3" style="background:{{period color|Mesoproterozoic}}"| [[Mesoproterozoic|Meso-<br />proterozoic]]<ref name="Precambrian-Time" />
+
|rowspan="3" style="background:{{period color|Mesoproterozoic}}"| [[Mesoproterozoic|Mesoproterozoic]]<ref name="Precambrian-Time" />
 
|style="background:{{period color|Stenian}}"| [[Stenian]]
 
|style="background:{{period color|Stenian}}"| [[Stenian]]
 
|colspan="3"| Narrow highly [[Metamorphic rock|metamorphic]] belts due to [[orogeny]] as [[Rodinia]] forms. Late Ruker / Nimrod Orogeny in Antarctica possibly begins. Musgrave Orogeny (c. 1080 [[Year#SI prefix multipliers|Ma]]), [[Musgrave Block]], [[Central Australia]].
 
|colspan="3"| Narrow highly [[Metamorphic rock|metamorphic]] belts due to [[orogeny]] as [[Rodinia]] forms. Late Ruker / Nimrod Orogeny in Antarctica possibly begins. Musgrave Orogeny (c. 1080 [[Year#SI prefix multipliers|Ma]]), [[Musgrave Block]], [[Central Australia]].
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|style="background:{{period color|Calymmian}}"| {{Period start|calymmian}}<ref name="absolute-age" />
 
|style="background:{{period color|Calymmian}}"| {{Period start|calymmian}}<ref name="absolute-age" />
 
|-
 
|-
|rowspan="4" style="background:{{period color|Paleoproterozoic}}"| [[Paleoproterozoic|Paleo-<br />proterozoic]]<ref name="Precambrian-Time" />
+
|rowspan="4" style="background:{{period color|Paleoproterozoic}}"| [[Paleoproterozoic|Paleoproterozoic]]<ref name="Precambrian-Time" />
 
|style="background:{{period color|Statherian}}"| [[Statherian]]
 
|style="background:{{period color|Statherian}}"| [[Statherian]]
 
|colspan="3"| First [[Eukaryote|complex single-celled life]]: [[protist]]s with nuclei. [[Columbia (supercontinent)|Columbia]] is the primordial supercontinent. Kimban Orogeny in Australian continent ends. Yapungku Orogeny on [[Yilgarn craton]], in Western Australia. Mangaroon Orogeny, 1680&ndash;1620 [[Year#SI prefix multipliers|Ma]], on the [[Gascoyne Complex]] in Western Australia. Kararan Orogeny (1650– [[Year#SI prefix multipliers|Ma]]), Gawler Craton, [[South Australia]].
 
|colspan="3"| First [[Eukaryote|complex single-celled life]]: [[protist]]s with nuclei. [[Columbia (supercontinent)|Columbia]] is the primordial supercontinent. Kimban Orogeny in Australian continent ends. Yapungku Orogeny on [[Yilgarn craton]], in Western Australia. Mangaroon Orogeny, 1680&ndash;1620 [[Year#SI prefix multipliers|Ma]], on the [[Gascoyne Complex]] in Western Australia. Kararan Orogeny (1650– [[Year#SI prefix multipliers|Ma]]), Gawler Craton, [[South Australia]].
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|style="background:{{period color|Siderian}}"| {{Period start|siderian}}<ref name="absolute-age" />
 
|style="background:{{period color|Siderian}}"| {{Period start|siderian}}<ref name="absolute-age" />
 
|-
 
|-
|rowspan="4" style="background:{{period color|Archean}}"| [[Archean]]{{cn|date=December 2014}}<ref name="Precambrian-Time" />
+
|rowspan="4" style="background:{{period color|Archean}}"| [[Archean]]<ref name="Precambrian-Time" />
 
|style="background:{{period color|Neoarchean}}"| [[Neoarchean]]<ref name="Precambrian-Time" />
 
|style="background:{{period color|Neoarchean}}"| [[Neoarchean]]<ref name="Precambrian-Time" />
 
|colspan="4"| Stabilization of most modern [[craton]]s; possible [[Mantle (geology)|mantle]] overturn event. Insell Orogeny, 2650&nbsp;±&nbsp;150 [[Year#SI prefix multipliers|Ma]]. [[Abitibi greenstone belt]] in present-day [[Ontario]] and [[Quebec]] begins to form, stabilizes by 2600 [[Year#SI prefix multipliers|Ma]].
 
|colspan="4"| Stabilization of most modern [[craton]]s; possible [[Mantle (geology)|mantle]] overturn event. Insell Orogeny, 2650&nbsp;±&nbsp;150 [[Year#SI prefix multipliers|Ma]]. [[Abitibi greenstone belt]] in present-day [[Ontario]] and [[Quebec]] begins to form, stabilizes by 2600 [[Year#SI prefix multipliers|Ma]].
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|style="background:{{period color|Eoarchean}}"| {{Period start|eoarchean}}
 
|style="background:{{period color|Eoarchean}}"| {{Period start|eoarchean}}
 
|-
 
|-
|rowspan="4" style="background:{{period color|Hadean}}"| [[Hadean]]<br />{{cn|date=December 2014}}<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 timescale]]. 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:{{period color|Hadean}}"| [[Hadean]]<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 timescale]]. 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:{{period color|Hadean}}"| [[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:{{period color|Hadean}}"| [[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]].
 
|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]].

Revision as of 13:32, 29 July 2015

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