Science: v.1-v.219Moses King, 1968 |
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Стр. 927
... lead isotope compositions from modern basalts because he obtains good straight lines . Unfortunately , these lines are controlled largely by the average lead composition , and the use of the Concordia diagram buries the small but ...
... lead isotope compositions from modern basalts because he obtains good straight lines . Unfortunately , these lines are controlled largely by the average lead composition , and the use of the Concordia diagram buries the small but ...
Стр. 928
... lead isotope evolution model for present - day basalts which I presented at the Common Lead and Common Strontium workshop in Denver , Colorado , in August 1967 ( 2 ) . Since the comment by Oversby and Gast deals largely with the ...
... lead isotope evolution model for present - day basalts which I presented at the Common Lead and Common Strontium workshop in Denver , Colorado , in August 1967 ( 2 ) . Since the comment by Oversby and Gast deals largely with the ...
Стр. 1298
... lead in the atmosphere were obtained by controlling the vol- ume of vaporized tetraethyl lead intro- duced into the burner . The combustion products ( tetraethyl lead was not among those in detectable quantity ) were di- luted with ...
... lead in the atmosphere were obtained by controlling the vol- ume of vaporized tetraethyl lead intro- duced into the burner . The combustion products ( tetraethyl lead was not among those in detectable quantity ) were di- luted with ...
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