Analytical method: UNKNOWN

Technique	UNKNOWN
Material	WHOLE ROCK
Mineral	none
Institution	Unknown, Unknown, USA
Reference	Carrasco, Nunez Gerardo; Milan, Marcos; Verma, Surendra P (1989) Geologia del Volcan Zamorano, Estado de Queretaro. Revista - Instituto de Geologia. 8; 2, Pages 195-201. 1989.

Samples analysed with this method