| Technique | UNKNOWN |
| Material | WHOLE ROCK |
| Mineral | none |
| Reference | Cameron, K L; Nimz, G J; Kuentz, D; Niemeyer, S; Gunn, S (1989) Southern Cordilleran basaltic andesite suite, southern Chihuahua, Mexico; a link between Tertiary continental arc and flood basalt magmatism in North America. Journal of Geophysical Research, B, Solid Earth and Planets, vol.94, no.6, pp.7817-7840, 10 Jun 1989 |