The etymology of the cup brought the Latin small cut and it is said of cavitées carved on rocks prehistoric megalithic.
Read moreTheir origin is attributed to the phenomena of mechanical and chemical erosion due to the almost permanent presence of rainwater or runoff. Stagnant water contained in the cavities has a very low pH and therefore has a corrosive action. Through this process extremely slow in time, several neighboring wells may eventually meet, we speak of cups coalescent.
No comments have been posted yet.