valle de la luna, moon valley ischigualasto jurassic park of the triassic period is a paleontological reserve, el submarino

valle luna moon valley ischigualasto jurassic park triassic period paleontological reserve submarino formation 250 million years old juan argentina rock landmark monument terrain cliff arch ruins geology sculpture temple badlands tower statue monolith sea architecture mountain sky argentina provincial located northeast province juan estimated geological formations site 200 one important geological-palaeontological sites world