Adjective
English Wikipedia has an article on:nucleogenicWikipedia
nucleogenic (comparative more nucleogenic, superlative most nucleogenic)
(physics, of an isotope etc) Produced by a natural terrestrial nuclear reaction
By convention, these reaction-products are not termed "nucleogenic" nuclides, but rather cosmogenic nuclides. Source: Internet
USGS.gov Neon-21 may also be produced in a nucleogenic reaction, when 20 Ne absorbs a neutron from various natural terrestrial neutron sources. Source: Internet