 HOUSTON, Jan. 04, 2021 GLOBE NEWSWIRE -- ION Geophysical Corporation NYSE: IO today announced the first proprietary commercial deployment of the Companys GeminiTM extended frequency source technology for a Super Major. Following the technologys commercialization in September, energy companies have specified Gemini in a number of proprietary tenders, the first of which is expected to begin in January. Gemini uniquely supports the industrys shift to increasingly novel acquisition methodologies for enhanced subsurface imaging and decision-making across the EP life cycle. 