In yet another example of inter-departmental collaboration, Utah FORGE, a geothermal energy...
Gneiss
Metamorphic rock that forms under intense pressure and high temperature and that is made of quartz, feldspar, amphibole and mica. Gneiss represents the highest grade of metamorphic rock, which is characterized by alternating bands of dark and light-colored minerals, foliation (i.e., parallel alignment of planar minerals) and tight folding. This rock type is common at mid to deep levels of continental crust.
Geothermal Glossary
Word of the Week – Tephra
Tephra Airborne particles of rock and ash produced by an explosive volcanic eruption. Tephra commonly deposits as a blanket that drapes over the underlying topography.
Word of the Week – THMC
THMC Acronym that stands for thermal, hydrological, mechanical, and chemical effects that is evaluated simultaneously when running numerical simulations of reservoir behavior during injection and production.
Word of the Week – Transcurrent Fault (Strike-Slip Fault)
Transcurrent Fault (Strike-Slip Fault) Vertically dipping fault that results from horizontal shear stress. Slip movement during an earthquake is sideways rather than up or down.