The dimensions I gave of the Pedra Montada were innaccurate, I went there today and they have no informations on the age or dimensions of the stone

but visually I estimate 7 m x 3 m x 2,5 m. There are probably more than 50 other huge stones in the surrounding are, and even along the road, most of them weighting surely over 1 ton.
I've got a very interesting thought, but I'll start another topic as it is very important, and I believe those that want to know the truth about our planet, our solar system and our existence have the right to know.