Coal Formation · Coalification
unseel.com · peat → lignite → bituminous → anthracite · carbon rising
Net ~50% → >92% C
Driven off CO₂ · CH₄ · H₂O
stage
Plant tissue
Peat / lignite
Bituminous / anthracite
CO₂ · CH₄ escaping
H₂O expelled
Unseel.com · Coal Formation Chemistry