Geology and Radwaste

activity alteration areas assessment basalt Basin bedrock borehole burial canister changes Chapter chemical clay climatic complex continental crystalline rocks crystallization deep denudation deposits depth diagenesis diapirs Earth Earth's crust effects emplacement environment erosion evaporite evolution fluid formation fracture geological glacial glass granite groundwater groundwater flow hazard HLW repository host rock hydrothermal ice sheet isotope lavas layer leaching liquid long-term m.y. ago magma materials melting metamorphic metres migration minerals Nevada Test Site Nuclear Fuel ocean floor oceanic crust phase plate tectonics Pleistocene pluton predictive present pressure problem processes radiation radioactive waste radioisotopes radionuclides radwaste disposal rates reactor regolith release reprocessing rhyolitic salt Section sedimentary rocks sediments seismic shale shallow soils solid sorption spent fuel stable subsurface surface Synroc tectonic temperatures thermal thick transport tuffs types underground uranium volcanic waste forms water table weathering zirconolite zones