# வார்ப்புரு:புவியியல் காலக்கோட்டு காலஅளவுகோல்

<timeline>  
ImageSize = width:800 height:120  
PlotArea = :65 :15 bottom:20 top:5  
AlignBars = justify  

Colors =  
id:neogene value:rgb(0.99215,0.8,0.54)  
id:paleogene value:rgb(1,0.7019,0)  
id:cretaceous value:rgb(0.5,0.764,0.1098)  
id:jurassic value:rgb(0.302,0.706,0.5)  
id:triassic value:rgb(0.403,0.765,0.716)  
id:permian value:rgb(0.404,0.776,0.867)  
id:carboniferous value:rgb(0.6,0.741,0.855)  
id:devonian value:rgb(0.6,0.6,0.788)  
id:silurian value:rgb(0.694,0.447,0.714)  
id:ordovician value:rgb(0.976,0.506,0.651)  
id:cambrian value:rgb(0.984,0.5,0.373)  
id:neoproterozoic value:rgb(0.792,0.647,0.583)  
id:mesoproterozoic value:rgb(0.867,0.761,0.533)  
id:paleoproterozoic value:rgb(0.702,0.698,0.369)  
id:eoarchean value:rgb(0.5,0.565,0.565)  
id:paleoarchean value:rgb(0.6,0.592,0.569)  
id:mesoarchean value:rgb(0.698,0.65,0.6)  
id:neoarchean value:rgb(0.796,0.804,0.784)  
id:ediacaran value:rgb(0.918,0.847,0.737)  
id:cryogenian value:rgb(0.863,0.671,0.667)  
id:tonian value:rgb(0.796,0.643,0.424)  
id:stratherian value:rgb(1,1,0.8) # light yellow  
id:calymmian value:rgb(1,1,0.8) # light yellow  
id:orosirian value:rgb(1,1,0.8) # light yellow  
id:rhyacian value:rgb(1,1,0.8) # light yellow  
id:siderian value:rgb(1,1,0.8) # light yellow  
id:ectasian value:rgb(1,1,0.8) # light yellow  
id:stenian value:rgb(1,1,0.8) # light yellow  
id:cenozoic value:rgb(1,1,0)  
id:mesozoic value:rgb(0.5,0.6784,0.3176)  
id:paleozoic value:rgb(0.5,0.7098,0.835)  
id:phanerozoic value:rgb(0.7019,0.886,0.819)  
id:proterozoic value:rgb(0.8,0.85,0.568)  
id:archean value:rgb(0.6,0.6784,0.6745)  
id:hadean value:rgb(0.4,0.4,0.4)  
id:precambrian value:rgb(0.9,0.9,0.9)  
id:black value:black  
id:white value:white  

Period = from:-4567.17 till:0  
TimeAxis = orientation:horizontal  
ScaleMajor = unit:year increment:500 start:-4500  
ScaleMinor = unit:year increment:100 start:-4500  

Define $markred = text:"*" textcolor:red shift:(0,3) fontsize:10  

PlotData=  
align: textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)  

bar:supereon  

from: start till: -542 text:Precambrian color:precambrian  

bar:eon  

at: 0 align: $markred  
at: -542 align: $markred shift:(2,3)  
from: -542 till: 0 text:Phanerozoic color:phanerozoic  
from:-2500 till: -542 text:Proterozoic color:proterozoic  
from:-3800 till: -2500 text:Archean color:archean  
from: start till: -3800 text:Hadean color:hadean  

bar:era  

from: -65.5 till: 0 text:C~z shift:(0,1.5) color:cenozoic  
from: -251 till: -65.5 text:Meso~zoic shift:(0,1.5) color:mesozoic  
from: -542 till: -251 text:Paleo~zoic shift:(0,1.5) color:paleozoic  
from: -1000 till: -542 text:Neoprote-~rozoic shift:(0,1.8) color:neoproterozoic  
from:-1600 till: -1000 text:Mesoproterozoic color:mesoproterozoic  
from:-2500 till: -1600 text:Paleoproterozoic color:paleoproterozoic  
from:-2800 till: -2500 text:Neo-~archean shift:(0,1.5) color:neoarchean  
from:-3200 till: -2800 text:Meso-~archean shift:(0,1.5) color:mesoarchean  
from:-3600 till: -3200 text:Paleo-~archean shift:(0,1.5) color:paleoarchean  
from:-3800 till: -3600 text:Eoar-~chean shift:(0,0.5) color:eoarchean fontsize:6  
from:start till: -3800 color:white  

bar:period  

fontsize:6  
from: -23.03 till: 0 color:neogene  
from: -65.5 till: -23.03 color:paleogene  
from: -145.5 till: -65.5 color:cretaceous  
from: -199.6 till: -145.5 color:jurassic  
from: -251 till: -199.6 color:triassic  
from: -299 till: -251 color:permian  
from: -359.2 till: -299 color:carboniferous  
from: -416 till: -359.2 color:devonian  
from: -443.7 till: -416 color:silurian  
from: -488.3 till: -443.7 color:ordovician  
from: -542 till: -488.3 color:cambrian  

from: -630 till: -542 text:Ed. color:ediacaran  
from: -850 till: -630 text:Cryo-~genian color:cryogenian shift:(0,0.5)  
from: -1000 till: -850 text:Ton-~ian color:tonian shift:(0,0.5)  
from: -1200 till: -1000 text:Ste-~nian color:mesoproterozoic shift:(0,0.5)  
from: -1400 till: -1200 text:Ect-~asian color:mesoproterozoic shift:(0,0.5)  
from: -1600 till: -1400 text:Calym-~mian color:mesoproterozoic shift:(0,0.5)  
from: -1800 till: -1600 text:Stath-~erian color:paleoproterozoic shift:(0,0.5)  
from: -2050 till: -1800 text:Oro-~sirian color:paleoproterozoic shift:(0,0.5)  
from: -2300 till: -2050 text:Rhy-~acian color:paleoproterozoic shift:(0,0.5)  
from: -2500 till: -2300 text:Sid-~erian color:paleoproterozoic shift:(0,0.5)  
from: start till: -2500 color:white  
</timeline>  

<timeline>  
ImageSize = width:800 height:100  
PlotArea = :65 :15 bottom:20 top:5  
AlignBars = justify  

Colors =  
id:quaternary value:rgb(0.9,0.9,0.5)  
id:neogene value:rgb(0.99215,0.8,0.54)  
id:paleogene value:rgb(1,0.7019,0)  
id:cretaceous value:rgb(0.5,0.764,0.1098)  
id:jurassic value:rgb(0.302,0.706,0.5)  
id:triassic value:rgb(0.403,0.765,0.716)  
id:permian value:rgb(0.404,0.776,0.867)  
id:carboniferous value:rgb(0.6,0.741,0.855)  
id:devonian value:rgb(0.6,0.6,0.788)  
id:silurian value:rgb(0.694,0.447,0.714)  
id:ordovician value:rgb(0.976,0.506,0.651)  
id:cambrian value:rgb(0.984,0.5,0.373)  
id:cenozoic value:rgb(1,1,0)  
id:mesozoic value:rgb(0.5,0.6784,0.3176)  
id:paleozoic value:rgb(0.5,0.7098,0.835)  
id:phanerozoic value:rgb(0.7019,0.886,0.819)  
id:black value:black  
id:white value:white  
id:darkgreen value:rgb(0,0.35,0)  

Period = from:-542 till:0  
TimeAxis = orientation:horizontal  
ScaleMajor = unit:year increment:100 start:-500  
ScaleMinor = unit:year increment:10 start:-540  

Define $markred = text:"*" textcolor:red shift:(0,3) fontsize:10  
Define $markgreen = text:"*" textcolor:darkgreen shift:(0,3) fontsize:10  

PlotData=  
align: textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)  

bar:eon  
at: 0 align: $markred  
at: -542 align: $markred shift:(2,3)  
from: -542 till: 0 text:Phanerozoic color:phanerozoic  

bar:era  
at: 0 align: $markgreen  
at: -65.5 align: $markgreen shift:(2,3)  
from: -65.5 till: 0 text:Cenozoic color:cenozoic  
from: -251 till: -65.5 text:Mesozoic color:mesozoic  
from: -542 till: -251 text:Paleozoic color:paleozoic  

bar:period fontsize:8  
from: -2.588 till: 0 color:quaternary  
from: -23.03 till: -2.588 text:Neo-~gene shift:(0,0.5) color:neogene  
from: -65.5 till: -23.03 text:Paleo-~gene shift:(0,0.5) color:paleogene  
from: -145.5 till: -65.5 text:Cretaceous color:cretaceous  
from: -199.6 till: -145.5 text:Jurassic color:jurassic  
from: -251.4 till: -199.6 text:Triassic color:triassic  
from: -299 till: -251.4 text:Permian color:permian  
from: -359.2 till: -299 text:Carboniferous color:carboniferous  
from: -416 till: -359.2 text:Devonian color:devonian  
from: -443.7 till: -416 text:Sil-~urian shift:(0,0.5) color:silurian  
from: -488.3 till: -443.7 text:Ordovician color:ordovician  
from: -542 till: -488.3 text:Cambrian color:cambrian  
</timeline>  

<timeline>  
ImageSize = width:800 height:100  
PlotArea = :65 :15 bottom:20 top:5  
AlignBars = justify  

Colors =  
id:quaternary value:rgb(0.9,0.9,0.5)  
id:neogene value:rgb(0.99215,0.8,0.54)  
id:paleogene value:rgb(1,0.7019,0)  
id:cenozoic value:rgb(1,1,0)  
id:holocene value:rgb(1,1,0.702)  
id:pleistocene value:rgb(1,0.922,0.384)  
id:pliocene value:rgb(1,0.922,0.675)  
id:miocene value:rgb(1,0.871,0)  
id:oligocene value:rgb(0.918,0.776,0.447)  
id:eocene value:rgb(0.918,0.678,0.263)  
id:paleocene value:rgb(0.92,0.576,0.005)  
id:black value:black  
id:white value:white  
id:darkgreen value:rgb(0,0.35,0)  

Period = from:-65.5 till:0  
TimeAxis = orientation:horizontal  
ScaleMajor = unit:year increment:10 start:-60  
ScaleMinor = unit:year increment:1 start:-65  

Define $markgreen = text:"*" textcolor:darkgreen shift:(0,3) fontsize:10  

PlotData=  
align: textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)  

bar:era  
at: 0 align: $markgreen  
at: start align: $markgreen shift:(2,3)  
from:start till: 0 text:Cenozoic color:cenozoic  

bar:period  
from: -2.588 till: 0 text:Q. color:quaternary  
from: -23.03 till: -2.588 text:Neogene color:neogene  
from:start till: -23.03 text:Paleogene color:paleogene  

bar:epoch  
from: -0.1 till: 0 color:holocene  
from: -2.588 till: -0.1 text:P color:pleistocene  
from: -5.332 till: -2.588 text:Plio-~cene shift:(0,1) color:pliocene fontsize:7  
from:-23.03 till: -5.332 text:Miocene color:miocene  
from:-33.9 till:-23.03 text:Oligocene color:oligocene  
from:-55.8 till:-33.9 text:Eocene color:eocene  
from:start till:-55.8 text:Paleocene color:paleocene  
</timeline>  

<><small>மில்லியன் ஆண்டுகள்</small></><noinclude>  

</noinclude>