Sample ID: SJ-85-60
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: TUFF



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI NI CU ZN ZR NB PB RB SR Y
1988-011206 XRF WHOLE ROCK 72.39 0.2623704 14.288256 2.044303 0.87456805 2.8751426 1.5086299 5.017834 0.076524705 0 8.47                  
2003-024675 XRF WHOLE ROCK                       6 12 44 147 27 27 138 1156 22


Total Alkali vs Silica


Element Normalization
  Cu
Nb
Ni
Pb
Rb
Zr
Sr
Y
Zn
SAMPLE VALUE 12 27 6 27 138 147 1156 22 44
  PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 30 658 1960 150 0.6 10.5 19.9 4.3 55
  PPM  PPB  PPB  PPB  PPM  PPM  PPM  PPM  PPM