Analytical method: UNKNOWN

Technique	UNKNOWN
Material	WHOLE ROCK
Mineral	none
Institution	Unknown, Unknown, USA
Reference	Verma, Surendra P (2002) Absence of Cocos Plate subduction-related basic volcanism in southern Mexico; a unique case on Earth?. Geology Boulder. 30; 12, Pages 1095-1098. 2002.

Samples analysed with this method