Elements 112 to 119: Were They Present in Meteorites?
- 16 May 1969
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 164 (3881) , 821-823
- https://doi.org/10.1126/science.164.3881.821
Abstract
Chondrites contain a small fission xenon component of unexplained origin. Evidence on the geochemical behavior of this component suggests that it was not derived from an actinide element (Z = 89 to 103), or from a transition metal between Z = 104 and 111, but from a more volatile progenitor. The most likely candidates are the superheavy elements between Z = 112 and 119, whose lighter congeners (mercury, tellurium, lead, and the like) are known to be strongly fractionated in meteorites.Keywords
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