fossil wood,million of years old tree form stone under soil with hot and pressure,process of permineralization,bolpur india

abstract age amkhoi ancient background beautiful bolpur carbonized cellular closeup color colorful crystal desert environment exotic forest form formation formations fossil fossilized geologic geological geology hot india landscape layer material million mineral mineralize minerals natural nature old park pattern permineralization petrified pressure process rock soil specimen stone surface texture timeless tourism travel tree vintage wood years yellow