Vol. 237, Issue 8, 1939August 01, 1939 EDT
An Obsidian-Like Rock Formed From the Melting of a Granodiorite
An Obsidian-Like Rock Formed From the Melting of a Granodiorite
Esper Signius Larsen, George Switzer,
Larsen, E. S., & Switzer, G. (1939). An obsidian-like rock formed from the melting of a granodiorite. American Journal of Science, 237(8), 562–568. https://doi.org/10.2475/ajs.237.8.562