the ischigualasto provincial park or-moon valley -jurasic park rock formation, desert and arid san juan province

ischigualasto provincial park valle luna -moon valley -jurasic rock formation desert arid juan province argentina terrain geology cliff badlands ruins wall wadi mountain plateau ridge bedrock monument canyon soil coast boulder estimated geological formations site 200 250 million years old one important triassic geological-jurasic palaeontological sites world formationargentina -moon