Hanna,
You could look through the bulk analyses of Buddington and of
Engel & Engel for amphibolites from the Adirondacks. Biotite-rich
amphibolites should be Rb-rich, and REE-rich samples will likely have
epidote and/or monazite. Some of the New England amphibolites might
fit your requirements.
eric
>Folks,
>
>I am planning a series of experiments that involve fluid-mediated trace
>element mobility during dehydration and dehydration/melting of amphibolite,
>focusing in particular on those element important to the common radiogenic
>isotopic systems. For this I need fresh samples of amphibolite that are
>particularly high in Rb (and Sr), Nd, Sm, U, Pb. I would prefer to use
>natural samples rather than doping samples that have low concentrations.
>Does anyone have samples of such amphibolite that have been well
>characterized vis-a-vis mineralogy and trace element contents that I could
>have?
>
>Thanks for your help!
>
>Hanna Nekvasil
>Professor of Petrology
>State University of New York
>Stony Brook, NY 11794-2100
>(631) 632-8201
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