Mesoarchean
| Mesoarchean era |
|---|
| Geologic timescale of the Precambrian |
| (millions of years ago) |
|
<timeline> ImageSize = width:175 height:355 PlotArea = left:40 right:5 bottom:105 top:45 AlignBars = justify Period = from:2700 till:3250 TimeAxis = orientation:vertical ScaleMajor = unit:year increment:100 start:2700 ScaleMinor = unit:year increment:25 start:2700 Colors = id:eon value:rgb(1,0.7,1) legend:Archaean_eon # light purple id:era value:rgb(1,1,0.7) legend:Mesoarchean_era # light yellow id:period value:rgb(1,0.7,0.7) legend:Period # light red id:black value:black Legend = left:15 top:60 BarData = bar:eon bar:era bar:period PlotData= width:80 align:center textcolor:black mark:(line,black) bar:eon color:eon from:start till:end width:100 mark:none at:2750 mark:none text:Archaean~(2500–3800) bar:era color:era from:2800 till:3200 text:Mesoarchean~(2800–3200) bar:period color:period TextData = tabs:(25-left) pos:(15,350) text:"Preceded by:" text:^Paleoarchean era pos:(15,95) text:"Followed by:" text:^Neoarchean era </timeline> (expand) |
The Mesoarchean is a geologic era within the Archean, spanning 3.2 to 2.8 billion years ago. The period is defined chronometrically and is not referenced to a specific level in a rock section on Earth. Fossils from Australia show that Stromatalites have lived on earth since the Mesoarchean.
| Archaean eon | |||
|---|---|---|---|
| Eoarchean | Paleoarchean | Mesoarchean | Neoarchean |
Categories: Geology stubs | Archaean