TY  - RPRT
TI  - An ancient depleted mantle sample from a 42-Ma dike in Montana: Constraints on persistence of the lithosphere during Eocene Magmatism
AU  - F.O. Dudas
AU  - S. S. Harlan
PY  - 1999
DO  - 10.1086/314349
UR  - https://pubs.usgs.gov/publication/70021588
ID  - 70021588
ER  -