TY - RPRT TI - Using geochemistry as a tool for correlating proximal andesitic tephra: Case studies from Mt Rainier (USA) and Mt Ruapehu (New Zealand) AU - S.L. Donoghue AU - J. Vallance AU - I.E.M. Smith AU - R.B. Stewart PY - 2006 DO - 10.1002/jqs.1065 UR - https://pubs.usgs.gov/publication/70029863 ID - 70029863 ER -