Radiohalos in Coalified Wood: New Evidence Relating to the Time of Uranium Introduction and Coalification
The discovery of embryonic halos around uranium-rich sites that exhibit very high $^{238}$U/$^{206}$Pb ratios suggests that uranium introduction may have occurred far more recently than previously supposed. The discovery of $^{210}$Po halos derived from uranium daughters, some elliptical in shape, f...
Ausführliche Beschreibung
Bibliographische Detailangaben
Veröffentlicht in: | Science. - The American Association for the Advancement of Science, 1880. - 194(1976), 4262, Seite 315-318
|
1. Verfasser: |
Gentry, Robert V.
(VerfasserIn) |
Weitere Verfasser: |
Christie, Warner H.,
Smith, David H.,
Emery, J. F.,
Reynolds, S. A.,
Walker, Raymond |
Format: | Online-Aufsatz
|
Sprache: | English |
Veröffentlicht: |
1976
|
Zugriff auf das übergeordnete Werk: | Science
|
Schlagworte: | Physical sciences
Applied sciences
Business |