Navegação Ciências Exatas e da Terra por Assunto "Absolute age"
Resultados 1-2 de 2
-
Rb-Sr systematics of holocene pelitic sediments and their bearing on whole-rock dating
(2004) [Artigo de periódico]In many cases, when dealing with argillaceous fine-grained sedimentary rocks, the isotopic ages obtained from Rb–Sr whole-rock isochron calculations are of geological significance, despite the fact that the initial conditions ... -
Vila Maria Formation (Silurian, Paraná Basin, Brazil): integrated radiometric and palynological age determinations
(2002) [Artigo de periódico]Fresh shale samples taken from a well-known outcrop section of the Silurian Vila Maria Formation, located on the northeastern margin of the Paraná Basin (Três Barras Farm, Goiás State, central-western Brazil), have been ...