Modern geology studies have shown that Hill is a world with a sense of typical Cretaceous rhyolitic ancient volcano - caldera.

It records the Mesozoic ancient volcano occurred, evolutionary history, also shows 100 million years geological formation of deep canyons, peak forest, have "modelling landform museum," said.

If the economic vigor that after country of an ancient old was flouncing off what plan system centrally to manacle, shows erupts like volcano.