The 199m-long cave is formed in Jurassic sandstone (about 160 million years old) of the Murihiku Terrane, though the cave itself is much younger, ten to hundreds of thousands of years old.
The 199-meter-long cave is formed in Jurassic sandstone (about 160 million years old) of the Murihiku Terrane, though the cave itself is much younger, ten to hundreds of thousands of years old.