Proceedings of the Conference on Nuclear Processes in Geologic Settings: Williams Bay, Wisconsin, September 21-23, 1953 |
Contents
H MacGregor | 1 |
Possible Geological Significance | 10 |
Search for New Natural Radioactivities T P Kohman | 18 |
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alpha amount analyses argon asteroids atmosphere atomic average bacteria basaltic beta beta decay biotite branching ratio calcitic limestone calculated chondrites CO₂ collision concentration cosmic ray counter crust decay deuterium difference disintegration earth electron capture elements energy enrichment error Euxenite extinct natural Farquhar feldspar Figure fission of U238 fission yields fluid inclusions gases geologic granitic H. G. Thode half-life He³ helium helium-3 hydrogen indicate iron meteorites Isotope Abundance Data isotope fractionation isotopic composition isotopic ratio krypton L. T. Aldrich Lake lead Lepidolite M. G. Inghram mass yield curve measurements metal phase microcline natural radioactivity negatron neutron fission nuclide obtained olivine pallasites pegmatite Phys Pitchblende present radiogenic radon reactions rocks salt domes samples silicate silicon spontaneous fission sulphate sulphur isotopes T. P. Kohman Table temperature terrestrial Texas thorium uraninite uranium uranium minerals Urey variations Wasserburg Wiedenbeck xenon