Main Exhibits
The Oldest Rock on Earth
The museum exhibits Acasta Gneiss, discovered in northern Canada and dating back approximately 3.96 billion years. It is one of the oldest known rocks on Earth.
Japan’s Oldest Stone
This gneiss was found within conglomerate rock on the riverbed of the Hida River. It is estimated to be approximately 2 billion years old. The conglomerate itself, known as the Kamiaso Conglomerate, formed around 160 million years ago.
Experience the History of Earth
The museum houses a range of geological specimens that illustrate Earth’s 4.6-billion-year history, including 2-billion-year-old gneiss, stones presented by Tsuwano Town as examples of Japan’s oldest stone and the oldest rock on Earth, and stromatolites.
Through these exhibits, visitors can learn about changes in Earth’s environment over geological time and explore the relationship between people and nature. The museum also serves as a lifelong learning facility, offering opportunities to deepen understanding of the planet’s long and fascinating history.