Sample ID: MB-485
Georef Number: 2007-035831
Reference Title: Geology and complex collapse mechanisms of the 3.72 Ma HanneganCaldera, north Cascades, Washington, USA
Reference Author: Tucker, David; Hildreth, Wes; Ullrich, Tom; Friedman, Richard

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

Age: 3.722 Min Age: 3.702 Max Age: 3.742 Geological Age: PLIOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: IGNIMBRITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FEO	MGO	CAO	NA2O	K2O	P2O5	MNO
2007-035831	XRF	WHOLE ROCK	79.2	0.15	11.66	0.96	0.19	0.4	3.76	3.15	0.04	0.05