Chemical analyses, correlations, and ages of late Cenozoic tephra units of east-central and Southern California
No abstract available.
California↗
Geology topics
Publications and source records attributed to G.A. McCoy.
No abstract available.
Two "phreatic" maars in Alaska may have been created by the explosive release of carbon dioxide from a basaltic melt. Both the basalt of the maars and the observed CO 2 (δ 13 C = -6.36‰) are inferred to have come from the mantle. © 1979 Geological Society of America.