Sample ID: S137-A
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: 16.3
Min Age: 14
Max Age: 18.6
Geological Age: MIOCENE
Age Method: K-AR

Material: IGNEOUS
Type: VOLCANIC
Composition:
Rock Name:



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO
1988-011206 XRF WHOLE ROCK 54.7 1.45 15.3 8.6 5.8 7.2 3.5 2.9 0.45 0.19


Total Alkali vs Silica