Rare earth elements in tektites

Details Rare earth elements in tektites Rare earth elements in tektites

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976gecoa..40..486b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 40, Apr. 1976, p. 486-488.

Physics

3

Abundance, Neutron Activation Analysis, Rare Earth Elements, Tektites, Moldavite, Petrology, Sedimentary Rocks

Scientific paper

Four moldavites and one sample each of an australite, billitonite, indochinite, philippinite, thailandite, Ivory Coast tektite, bediasite and a georgianite were analyzed using neutron activation analysis for La, Ce, Sm, Eu, Tb, Yb and Lu. The REE abundances resemble those of sedimentary rocks. Most of the tektites display a depletion of Eu, a characteristic feature of mature Phanerozoic continental sedimentary rocks. However, the Ivory Coast tektite and georgianite are relatively enriched in Eu, possibly due to the presence of plagioclase-rich source rocks.

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