Sample ID: 67L-77B
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? YES
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 ZN ZR NB PB RB SR Y
1988-011206 XRF WHOLE ROCK 64.98 0.65079343 17.286701 4.108134 1.1185513 3.2539673 4.067459 4.270832 0.2542162 0.10168648 1.66              
2003-024675 XRF WHOLE ROCK                       66 361 11 39 102 677 20


Total Alkali vs Silica


Element Normalization
  Nb
Pb
Rb
Zr
Sr
Y
Zn
SAMPLE VALUE 11 39 102 361 677 20 66
  PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 150 0.6 10.5 19.9 4.3 55
  PPB  PPB  PPM  PPM  PPM  PPM  PPM