TY  - RPRT
TI  - Strontium and magnesium contents of some natural peralkaline silicic glasses and their petrogenetic significance
AU  - Donald C. Noble
AU  - Joseph Haffty
AU  - Carl E. Hedge
PY  - 1969
DO  - 10.2475/ajs.267.5.598
UR  - https://pubs.usgs.gov/publication/70223816
ID  - 70223816
ER  -