Sample ID: 89L-170
Georef Number: 2004-049375
Reference Title: Chemical analyses of Tertiary volcanic rocks, central San Juan Caldera complex, southwestern Colorado.
Reference Author: Lipman-Peter-W

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

Age: 26.6 Min Age: 26.1 Max Age: 27 Geological Age: OLIGOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: VITROPHERE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI
1988-011206	XRF	WHOLE ROCK	69.89	0.41852236	15.407462	3.0226614	0.7624244	3.3070836	3.0378017	3.2140787	0.17843977	0.076783165	7.48