The following three aspects of the stone industry in the Izu Peninsula were analyzed.
1. During the early to mid-Meiji era, the Izu Peninsula's stone industry held approximately 70 to 80 percent of the stone used in the Tokyo metropolitan area.
2. Analysis of major stone production areas around the Tokyo metropolitan area in the early Taisho era revealed that stones from the Izu Peninsula, Boshu, Oya and Inada were in high demand.
3. Stones from the Izu Peninsula were transported by both sea and rail, with railway development greatly expanding sales channels for Japan’s stone industry.
