Sample ID: 89L-167
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: PYROCLASTIC-FLOW



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI
1988-011206 XRF WHOLE ROCK 70.22 0.6651598 16.935013 3.6998188 0.82773083 0.8957344 0.3835826 5.042889 0.31451648 0.04462734 5.83


Total Alkali vs Silica