Proton microprobe for chemical dating of monazite

Con frecuencia, el estudio que se realiza para la valoración de un depósito mineral implica tan sólo el estudio genérico de las leyes de los elementos que se espera puedan ser interesantes en el tipo de depósito, obviando el estudio mineralógico detallado de las asociaciones minerales.No obstante, un estudio detallado de la mineralogía no tiene tan sólo connotaciones académicas como a veces se cree, sino que puede ayudar a incrementar el valor añadido de la explotación, e incluso por sí sólo puede ayudar a descartar o confirmar el interés del yacimiento.

those that form during chemical reactions without breaking down).

The unstable or more commonly known radioactive isotopes break down by radioactive decay into other isotopes.

Radioactive decay is a natural process and comes from the atomic nucleus becoming unstable and releasing bits and pieces.

2.85 Ga), a higher-Th mantling domain of about 2.45 Ga, and a low-Th rim of 1.78 Ga.

Radioactive dating is a method of dating rocks and minerals using radioactive isotopes.

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We report examples of individual monazite grains that have been dated by both techniques, covering a range of ages from 300 to 2850 Ma. Permission is hereby granted to any individual scientist to download a single copy of this electronic file and reproduce up to 20 paper copies for noncommercial purposes advancing science and education, including classroom use, providing all reproductions include the complete content shown here, including the author information.

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