Lake Ronkonkoma. 1  This centrally located Suffolk County hamlet is perfectly situated for easy commuting, with an LIRR station, the Long Island Expressway and the Long Island MacArthur Airport within its borders.
Petrified wood (from the Greek root petro meaning rock or stone; literally wood turned into stone) is the name given to a special type of fossilized remains of terrestrial vegetation. It is the result of a tree or tree-like plants having completely transitioned to stone by the process of permineralization.rtificial petrified wood has been produced in a Washington laboratory. In the process, small cubes of pine are soaked in an acid bath for two days, then in a silica solution for another two. The product is then cooked at 1400 Â°C in an argon atmosphere for two hours.
The most famous locality for observing petrified wood is Petrified Forest National Park near the community of Holbrook in northeastern Arizona. About 225 million years ago this area was a lowland with a tropical climate and covered by a dense forest. close-up of a slice of petrified wood from Australia known as peanut wood because of its white markings the size and shape of peanuts. The peanuts are actually boreholes made in the wood by a shipworm that is actually a tiny species of clam.