Geochemistry and Nd-Sr Isotope Signature of Tektites (Indochinites, Urengoite) and Impact Melt Glasses (Zhamanshinites, Irghizites)

Details Geochemistry and Nd-Sr Isotope Signature of Tektites (Indochinites, Urengoite) and Impact Melt Glasses (Zhamanshinites, Irghizites) Geochemistry and Nd-Sr Isotope Signature of Tektites (Indochinites, Urengoite) and Impact Melt Glasses (Zhamanshinites, Irghizites)

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..987o&link_type=abstract

Lunar and Planetary Science, volume 27, page 987

Physics

1

Indochinites, Irghizites, Tektites, Urengoite, Zhamanshinites

Scientific paper

Strontium-Neodymium isotope parameters and REE data for five Zhamanshinites, three Irghizites, two Indochinites and one Urengoi tektite are presented. The Urengoite has present day epsilon (sub)Sr of +174 and epsilon (sub)Nd of -18; its model ages in [Ma] are: T^Sr (sub)UR = 1200, T^Nd (sub)CHUR = 1570. The data confirm that 24 Ma Urengoites form a separate group of tektites, for which the source crater is yet not known.

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