Analytical method: UNKNOWN

Technique	UNKNOWN
Material	WHOLE ROCK
Mineral	none
Institution	Unknown, Unknown, USA
Reference	Nelson, S A; Gonzalez, Caver E; Kyser, T K (1995) Constraints on the origin of alkaline and calc-alkaline magmas from the Tuxtla volcanic field, Veracruz, Mexico. Contributions to Mineralogy and Petrology. 122; 1-2, Pages 191-211. 1995.

Samples analysed with this method