Asemănătoare unor tuberculi, acestea sunt cele mai neobişnuite formaţiuni de piatră existente în lume. Au aproape aceeaşi formă repetată (de la dimensiunea de câţiva milimetri până la formaţiuni care ating lungimea de 10 metri) şi se afirmă despre ele că sunt o formă de trecere de la structura minerală la cea vegetală.
De ce? Pentru că după fiecare ploaie aceste pietre cresc! E o realitate atestată de specialiştii în domeniu. Mai mult, pe “spinarea” bătrânilor trovanţi “se nasc” pui rotunzi şi fragili, identici cu părinţii, care, în timp, vor cădea pe sol şi vor deveni trovanţi maturi, care vor face, la rândul lor, pui… Termenul de trovant este specific literaturii geologice româneşti şi a fost introdus prima oară de naturalistul Gh.M. Murgoci, în lucrarea “Terţiarul din Oltenia”.
fotografii: Sorin Golea
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