40[superscript] Ar/39[superscript] Ar age spectra and total-fusion ages of tektites from Cretaceous-Tertiary boundary sedimentary rocks in the Beloc Formation, Haiti /
Dalrymple, G. Brent.
Washington : U.S. G.P.O. ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey,
1993.
Title p. [4] of cover: 40 Ar/39 Ar age of tektites, Cretaceous-Tertiary boundary, Beloc Formation, Haiti.
Includes bibliographical references (p. 18-20).
Tektite
Argon-argon dating.
Cretaceous/Tertiary boundary