How would the ark petrify? It would have to be covered in sediment for eons while subsurface minerals gradually replaced the wood.
Was there another flood after Noah's flood that buried the ark?
You may wish to believe that, but it is quite illogical. Most species of wood decompose fairly rapidly, say a hundred years at the very outside, but more likely much less, thus the preservation of grain patterns has to occur contemporaneously or it would not look like wood.
Petrified fence post bases are fairly common where fence lines cross streams in flat areas. They have been accepted in court in Nevada as boundary evidence.
*Famed Darwinist, and temper-tantrumist, Earl Weaver, mistaking the Ark for an intergalactic Home Plate, kicked sand all over it.
I posted some articles in this thread on rapid petrification of wood. But I don't claim that the conditions on the mountain mimic the conditions necessary for rapid petrification.
If they really did find petrified wood up there, then there are only three possibiliities. Either the wood petrified in place up there by some process. Petrified wood was carried up there. Or the wood was petrified prior to that rock being elevated to mountain status.