Difference between revisions of "Template:Geologic time scale"

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|style="background:#ffffb3"| [[Holocene]]
 
|style="background:#ffffb3"| [[Holocene]]
 
|style="background:#FFF5EF"| ''None''</br>[[Chronozone|chrons]]:</br>[[Subatlantic (period) |Subatlantic]]</br>[[Subboreal (period)|Subboreal]]</br>[[Atlantic (period)|Atlantic]]</br>[[Boreal (period)|Boreal]]</br>Preboreal
 
|style="background:#FFF5EF"| ''None''</br>[[Chronozone|chrons]]:</br>[[Subatlantic (period) |Subatlantic]]</br>[[Subboreal (period)|Subboreal]]</br>[[Atlantic (period)|Atlantic]]</br>[[Boreal (period)|Boreal]]</br>Preboreal
|rowspan="1" | The [[last glacial period]] ends; rise of human [[civilization]]. [[Quaternary glaciation|Quaternary Ice Age]] recedes, and the current [[interglacial]] begins. [[Younger Dryas]] cold spell occurs, [[Sahara]] forms from savannah, and [[agriculture]] begins, allowing humans to build [[city|cities]]. [[Paleolithic]]/[[Neolithic]] ([[Stone Age]]) cultures begin around [[10th millennium BC|10000 BC]], giving way to [[Copper Age]] (3500 BC) and [[Bronze Age]] (2500 BC). Cultures continue to grow in complexity and technical advancement through the [[Iron Age]] (1200 BC), giving rise to [[Synoptic table of the principal old world prehistoric cultures|many pre-historic cultures]] throughout the world, eventually leading into [[Classical Antiquity]], such as the [[Roman Empire]] and even to the [[Middle Ages]] and [[present day]]. [[Little Ice Age]] ([[stadial]]) causes brief cooling in [[Northern Hemisphere]] from 1400 to 1850. Also refer to the [[List of archaeological periods]] for clarification on early cultures and ages. [[Mount Tambora]] [[volcanic eruption|erupts]] in 1815, causing the [[Year Without a Summer]] (1816) in Europe and North America from a [[volcanic winter]]. Following the [[Industrial Revolution]], [[Earth's atmosphere|Atmospheric]] [[Carbon dioxide|CO<sub>2</sub>]] levels rise from around 280 [[parts per million]] volume (ppmv) to the current level of 390 ppmv, due to [[anthropogenic]] emissions, [[scientific opinion on climate change|very likely]] causing [[global warming]] and [[climate change]].<ref name="atmospheric-carbon-dioxide">For more information on this, see the following articles: [[Earth's atmosphere]], [[carbon dioxide]], [[Carbon dioxide in the Earth's atmosphere]], [[global warming]], [[climate change]], [[:Image:Phanerozoic_Carbon_Dioxide.png]], [[:Image:65 Myr Climate Change.png]], [[:Image:Five Myr Climate Change.png]], and [[Template:DF temperature]]</ref>
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|rowspan="1" | The [[last glacial period]] ends; rise of human [[civilization]]. [[Quaternary glaciation|Quaternary Ice Age]] recedes, and the current [[interglacial]] begins. [[Younger Dryas]] cold spell occurs, [[Sahara]] forms from savannah, and [[agriculture]] begins, allowing humans to build [[city|cities]]. [[Paleolithic]]/[[Neolithic]] ([[Stone Age]]) cultures begin around [[10th millennium BC|10000 BC]], giving way to [[Copper Age]] (3500 BC) and [[Bronze Age]] (2500 BC). Cultures continue to grow in complexity and technical advancement through the [[Iron Age]] (1200 BC), giving rise to [[Synoptic table of the principal old world prehistoric cultures|many pre-historic cultures]] throughout the world, eventually leading into [[Classical Antiquity]], such as the [[Roman Empire]] and even to the [[Middle Ages]] and [[present day]]. [[Little Ice Age]] ([[stadial]]) causes brief cooling in [[Northern Hemisphere]] from 1400 to 1850. Also refer to the [[List of archaeological periods]] for clarification on early cultures and ages. [[Mount Tambora]] [[volcanic eruption|erupts]] in 1815, causing the [[Year Without a Summer]] (1816) in Europe and North America from a [[volcanic winter]]. Following the [[Industrial Revolution]], [[Earth's atmosphere|Atmospheric]] [[Carbon dioxide|CO<sub>2</sub>]] levels rise from around 280 [[parts per million]] volume (ppmv) to the current level of 390 ppmv.<ref name="atmospheric-carbon-dioxide">For more information on this, see the following articles: [[Earth's atmosphere]], [[carbon dioxide]], [[Carbon dioxide in the Earth's atmosphere]], [[global warming]], [[climate change]], [[:Image:Phanerozoic_Carbon_Dioxide.png]], [[:Image:65 Myr Climate Change.png]], [[:Image:Five Myr Climate Change.png]], and [[Template:DF temperature]]</ref>
 
|style="background:#ffffb3"| 0.011430&nbsp;±&nbsp;0.00013<ref name="cenozoic-division" /><ref name="holocene">The start time for the [[Holocene]] epoch is here given as [[Upper Paleolithic|11,430]] [[before present|years ago]]&nbsp;±&nbsp;130 years (that is, between 9610 BC-9560 BC and 9350 BC-9300 BC). For further discussion of the dating of this epoch, see [[Holocene]].</ref>
 
|style="background:#ffffb3"| 0.011430&nbsp;±&nbsp;0.00013<ref name="cenozoic-division" /><ref name="holocene">The start time for the [[Holocene]] epoch is here given as [[Upper Paleolithic|11,430]] [[before present|years ago]]&nbsp;±&nbsp;130 years (that is, between 9610 BC-9560 BC and 9350 BC-9300 BC). For further discussion of the dating of this epoch, see [[Holocene]].</ref>
 
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Revision as of 04:56, 12 July 2011