TY  - RPRT
TI  - Chemistry of igneous rocks; Part 1, The chemistry of the peralkaline oversaturated obsidians
AU  - Ray MacDonald
AU  - D.K. Bailey
PY  - 1972
DO  - 10.3133/pp440n1
UR  - https://pubs.usgs.gov/publication/pp440N1
ID  - pp440N1
ER  -