Sample ID: PH 141
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? NO Trace Data? YES Isotope Data? YES

Age: 4.4 Min Age: 4.3 Max Age: 4.5 Geological Age: PLIOCENE Age Method: K-AR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: RHYOLITE

Rock Data

Reference	Technique	Material	K
1979-023073	UNKNOWN	WHOLE ROCK	4.45

Element Normalization
pyrolite OIB

	K
SAMPLE VALUE	4.45
	PPM
REF STANDARD	240
	PPM

Isotope Chemistry