Rare earth abundances in the standard granite G-1 and standard diabase W-1

Details Rare earth abundances in the standard granite G-1 and standard diabase W-1 Rare earth abundances in the standard granite G-1 and standard diabase W-1

May 1965

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1965gecoa..29..569t&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 29, Issue 5, pp.569-572

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Scientific paper

The lanthanide elements (except Gd and Er) have been determined in the standard granite G-1 and standard diabase W-1 by neutron activation and a chemical procedure consisting of pre-irradiation separation of the rare earth group and post-irradiation column chromatography of individual lanthanides using bis(2-ethylhexyl)orthophosphoric acid. The logarithm of abundance, normalized to the corresponding abundance in chondrite meteorites, decreases linearly with Z, for G-1 from 57 La to 66 Dy by an abundance ratio of 35 and for W-1 from 57 La to 71 Lu by a ratio of 3.0. Relative to the trend of normalized abundances for the other lanthanides, Eu is singularly low by a factor of 0.7 in G-l but is normal in W-1.

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