Sample ID: 85L-33C
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
Max Age: 27.1
Geological Age: OLIGOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: PYROCLASTIC-FALL



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI NI ZN ZR NB PB RB SR Y
1988-011206 XRF WHOLE ROCK 63.69 0.6898686 17.048117 5.6025696 1.8396497 4.2332845 2.937168 3.7420146 0.33448175 0.12543066 4.34                
2003-024675 XRF WHOLE ROCK                       18 59 195 14 34 138 618 25


Total Alkali vs Silica


Element Normalization
  Nb
Ni
Pb
Rb
Zr
Sr
Y
Zn
SAMPLE VALUE 14 18 34 138 195 618 25 59
  PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 1960 150 0.6 10.5 19.9 4.3 55
  PPB  PPB  PPB  PPM  PPM  PPM  PPM  PPM