Sample ID: PO 103
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: INTERMEDIATE Rock Name: ANDESITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	FEO	MGO	CAO	NA2O	K2O	MNO	H2O_PLUS	CR	CO	NI	CU	BA	RB	SR
1979-023073	UNKNOWN	WHOLE ROCK	61.5	0.65	17	1.66	3.19	3.7	5.1	4	1.8	0.08	1.18	110	35	55	20	305	40	385

Element Normalization
pyrolite OIB

	Cu	Ni	Rb	Cr	Ba	Sr	Co
SAMPLE VALUE	20	55	40	110	305	385	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