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Stable Isotopes
Refers to non-radioactive isotopes of elements, including those of oxygen, hydrogen, carbon, sulfur, and nitrogen. In geothermal geochemistry, the stable isotope ratios of oxygen (18O/16O) and hydrogen (2H/1H) in thermal waters are used to trace its origin (e.g., meteoric, magmatic).
Geothermal Glossary
Word of the Week – INSAR
INSAR Interferometric synthetic aperture radar is a technique that is deployed from aircraft or satellites in order to generate interferogram images. These are used to interpret surface deformation resulting from natural and human-related activities.
Word of the Week – Interlayered Clay
Interlayered Clay A mixture of different clays such as illite, chlorite, and montmorillonite that are structurally interlayered and form via rock alteration at moderate temperatures in shallow zones that overlie producing geothermal reservoirs.
Word of the Week – Lava Flow
Lava Flow A product of an erupting volcanic cone or fissure made up of liquid molten rock that flows downhill and eventually solidifies due to cooling.