7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c a small tribe that have

a small tribe that have dwelled in the great Sonoran Desert for thousands of years

much the same as in fine wood used for inlay purposes

Stegosaurus had a relatively low brain-to-body mass ratio

adding to the interest and forming unusual specimens

was the Tully Monster determined to be an early vertebrate and likely a jawless fish on the stem lineage of modern-day lampreys

7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c a small tribe that haveBetween 11 15 million years ago, during the Miocene time period, a volcano located near what is now called McDermitt, Oregon erupted, spewing ash and debris over a widespread area. That ash, contained a combination of iron, aluminium, potassium, sodium and calcium, which covered everything for miles around, including shallow wetlands. Cattails, fish, amphibians and all other life in those wetlands (bogs) were suffocated by the ash and immediately