https://www.usgs.gov/publications/consequences-slow-growth-230thu-dating-quaternary-opals-yucca-mountain-nv-usa
Thermal ionization mass-spectrometry 234U/238U and 230Th/238U data are reported for uranium-rich opals coating fractures and cavities within the silicic tuffs...
slow growthconsequencesdatingquaternary
https://www.pbslearningmedia.org/resource/phy03.sci.phys.matter.nuclearwaste/nuclear-waste-yucca-mountain/
This video from FRONTLINE looks at the controversy surrounding plans for the first designated permanent repository for high-level nuclear waste in the U.S....
nuclear wasteyucca mountainpbs