Pegmatite layer in the Shonkin Sag laccolith, Montana

• 1 October 1952
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. 250  (10) , 705-720
• https://doi.org/10.2475/ajs.250.10.705

Abstract

Keywords

• PEGMATITE LAYER
• MONTANA
• SHONKIN SAG LACCOLITH