Proton microprobe for chemical dating of monazite Free cam dating sites no register


04-Oct-2016 04:05

We employed such high-resolution techniques to volcanic glasses in ash particles of the 2010 Eyjafjallajökull eruption.

An isochron age of 347 ± 13Ma represents timing of amphibolite-facies metamorphism, in agreement with previously published estimates.

Shalaby, “New Occurrence of Uranium Mineralization in Gabal Gattar, Northern Eastern Desert, Egypt,” Annals of the Geological Survey of Egypt, Vol.

Mahdy, “Geochemical and Genetical Constraints on Rare Metals Mineralization at the Central Eastern Desert of Egypt,” Geochemical Journal, Vol.

Th, Y and Ca values are comparable to EPMA results.

Analyzed monazite is characterized by mosaic zoning rather than simple core-to-rim growth, and strontium contents of up to 750ppm.



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