Sample ID: PO 63
Georef Number: 1984-001334
Reference Title: Relations volcanologie - magmatologie - geodynamique; application au passage entre volcanisme alcalin et andesitique dans le Sud mexicain Axe Trans-mexicain et Province Alcaline Orientale
Reference Author: Robin-C

Location Sample Detail Major Data? YES Trace Data? YES Isotope Data? NO

Age: 2 Min Age: 1 Max Age: 3 Geological Age: PLEISTOCENE Age Method: UNKNOWN Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: DACITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	FEO	MGO	CAO	NA2O	K2O	MNO	H2O_PLUS	H2O_MINUS	CR	CO	NI	CU	BA	RB	SR
1979-023073	UNKNOWN	WHOLE ROCK	63	0.9	15.6	2.62	2.32	3	4.7	3.85	2.35	0.08	0.96	0.48	85	35	50	5	385	50	380

Element Normalization
pyrolite OIB

	Cu	Ni	Rb	Cr	Ba	Sr	Co
SAMPLE VALUE	5	50	50	85	385	380	35
	PPM	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	30	1960	0.6	2625	6600	19.9	105
	PPM	PPB	PPM	PPB	PPB	PPM	PPM