Preece, S. J.; Pearce, N. J. G.; Westgate, J. A.; Froese, D. G.; Jensen, B. J. L.; Perkins, W. T.
(2011-10-25)
Old Crow tephra is the largest and most widespread Quaternary eruption presently known in eastern Beringia. Its major- and trace-element geochemistry, Fe-Ti oxides, and stratigraphic and paleoecological context indicate ...