Charcoal in Coal Tells How Much O2 Was in Ancient Atmosphere

Charcoal in Coal Tells How Much O2 Was in Ancient Atmosphere

PostBy: lsayre On: Tue Mar 13, 2012 8:01 pm

And apparently back when what was eventually to become anthracite was first being deposited, there was as high as 30% to 35% oxygen in the atmosphere. Today it is about 20.8%.

http://news.softpedia.com/news/When-Oxy ... 0257.shtml
lsayre
 
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Blaschak Anthracite Pea
Other Heating: Resistance Boiler (13.5 KW)