Uranium‐lead isotopic ages of the Samail Ophiolite, Oman, with applications to Tethyan ocean ridge tectonicsG. R. Tilton, James E. Wright, Clifford A. Hopson|Journal of Geophysical Research Atmospheres|1981Cited by 311
AGES OF MINERALS FROM THE BALTIMORE GNEISS NEAR BALTIMORE, MARYLANDG. R. Tilton, Clifford A. Hopson, G. W. Wetherill et al.|Geological Society of America Bulletin|1958Cited by 53
Lead isotopes in feldspars from selected granitic rocks associated with regional metamorphismBruce R. Doe, Clifford A. Hopson, G. R. Tilton|Journal of Geophysical Research Atmospheres|1965Cited by 52
Age measurements in the Maryland PiedmontG. W. Wetherill, Clifford A. Hopson, G. R. Tilton et al.|Journal of Geophysical Research Atmospheres|1966Cited by 32