Sample ID: 02L-16
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: 36
Min Age: 34
Max Age: 38
Geological Age: EOCENE
Age Method: K-AR

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 LA CE V CR NI CU ZN GA ZR BA CS NB ND PB RB SR TH U Y
1988-011206 XRF WHOLE ROCK 66.54 0.5662614 16.482252 3.387457 0.65726775 2.083033 3.9941654 5.460378 0.25279528 0.060670868 1.1                                      
2003-024675 XRF WHOLE ROCK                       107 186 50 4 8 6 65 19 445 1200 11 33 83 28 168 426 25 7 34


Total Alkali vs Silica


Element Normalization
  Th
Cs
Cu
Nb
Nd
Ni
Pb
Rb
V
Zr
U
Ce
Cr
Ba
La
Sr
Y
Zn
SAMPLE VALUE 25 11 6 33 83 8 28 168 50 445 7 186 4 1200 107 426 34 65
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 21 30 658 1250 1960 150 0.6 82 10.5 20.3 1675 2625 6600 648 19.9 4.3 55
  PPB  PPB  PPM  PPB  PPB  PPB  PPB  PPM  PPM  PPM  PPB  PPB  PPB  PPB  PPB  PPM  PPM  PPM