An obsidian-like rock formed from the melting of a granodiorite

• 1 August 1939
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. 237  (8) , 562-568
• https://doi.org/10.2475/ajs.237.8.562

Abstract

Keywords

• MELTING
• ROCK FORMED
• GRANODIORITE
• OBSIDIAN LIKE ROCK