Sample ID: 00L-21A
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: 28.19
Min Age: 28.11
Max Age: 28.29
Geological Age: OLIGOCENE
Age Method: AR_AR

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: RHYOLITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI
1988-011206 XRF WHOLE ROCK 76.459404 0.23354135 12.286305 1.2083226 0.15230958 0.720932 2.9446518 5.4425287 0.06092383 0.0710778 1.51


Total Alkali vs Silica