At the Core – April 2021 Keep up to date on what is going on at Utah FORGE. Read about it in the...
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.
Geothermal Glossary
Word of the Week – Spudding In
Spudding In Denotes the start of the well. The term originated from cable tool drilling where spudding is the act of hoisting the drill pipe and letting it fall freely so that the drill bit strikes the bottom of the well bore with sufficient force to break the...
Word of the Week – Stable Isotopes
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...
Word of the Week – Steaming Ground
Steaming Ground Hot thermal ground associated with diffuse steam discharge. Vegetation is typically stunted or non-existent.