The basin holds the most prolific natural gas reserves in Japan, with ultimate gas production of 375 billion cubic meters.
Brine
In addition to natural gas, the field yields a brine rich in iodine. The iodine is extracted in large scale and makes this area the second largest producer after Chile, where the iodine is extracted from the caliche.[1]
References
^Jessica Elzea Kogel; Nikhil C. Trivedi; James M. Barker; Stanley T. Krukowski (2006). Industrial Minerals & Rocks: Commodities, Markets, and Uses. SME. pp. 541–552. ISBN978-0-87335-233-8.