Chemical and isotopic compositions of brines from dissolved-in-water type natural gas fields in Chiba, Japan Maekawa, Tatsuo ; Igari, Shun-Ichiro ; Kaneko, Nobuyuki Abstract Publication: Geochemical Journal Pub Date: 2006 DOI: 10.2343/geochemj.40.475 Bibcode: 2006GeocJ..40..475M