Petrified Wood

Petrified wood 

Tress have the potential to become silent witness of the world changing weather every year tress put on a new layer of become later becoming rings the narrow to wide range of rings are distinctive thus allowing us to see weather changes. 

Many samples are studied thus creating an average. The information is stored in pattern rings. 

Patterns are large spring vessels and then a layer of small vessels in winter as it goes dormant . 

Sulfates volcano high. Currently 200 active. 90 equatorial. Inner is high low frequencies the farther from source high frequencies lost and low continues.

Petrifaction science 5 days Washington state acid and the then silica solution 1400 degrees equals silicon carbide.