Analytical method: UNKNOWN

Technique	UNKNOWN
Material	WHOLE ROCK
Mineral	none
Institution	Unknown, Unknown, USA
Reference	Verma, Surendra P (2000) Geochemical evidence for a lithospheric source for magmas from Los Humeros Caldera, Puebla, Mexico. Chemical Geology. 164; 1-2, Pages 35-60. 2000.

Samples analysed with this method