in 太初核合成, but not primordial, as it all quickly decayed to 7Li cosmogenic(英语:cosmogenic) nuclide Intermediate product of 3氦過程 in 恆星核合成 as part of the path
2004.09.059. G.A. Kovaltsov; I.G. Usoskin. A new 3D numerical model of cosmogenic nuclide 10Be production in the atmosphere. Earth Planet. Sci. Lett. 2010