Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...
A new international study published in Earth and Planetary Science Letters reveals that the boundaries between geological epochs and periods, even though randomly distributed, follow a hidden, ...
Marble, John Putnam. 1952. "Introduction to the symposium on the measurement of geologic time." Transactions American Geophysical Union, 33, (2) 149.