Analytical method: NAA

Technique	NAA
Material	WHOLE ROCK
Mineral	none
Institution	USGS DENVER, DENVER, CO, USA
Reference	Zielinski, R A; Lipman, P W (1976) Trace-element variations at Summer Coon volcano, San Juan Mountains,Colorado, and the origin of continental-interior andesite. Geological Society of America Bulletin, vol.87, no.10, pp.1477-1485,Oct 1976

Samples analysed with this method