Sample ID: 03L-45
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: 33
Min Age: 30
Max Age: 36
Geological Age: OLIGOCENE
Age Method: TABLE

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: RHYOLITE



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 NB ND PB RB SR TH U Y
1988-011206 XRF WHOLE ROCK 73.54026 0.27349684 13.674842 1.4080023 0.19246073 0.769843 3.302221 6.047319 0.07090659 0.050647564 1.27                                    
2003-024675 XRF WHOLE ROCK                       70 105 25 5 4 4 35 15 247 1050 22 39 26 144 142 26 6 24


Total Alkali vs Silica


Element Normalization
  Th
Cu
Nb
Nd
Ni
Pb
Rb
V
Zr
U
Ce
Cr
Ba
La
Sr
Y
Zn
SAMPLE VALUE 26 4 22 39 4 26 144 25 247 6 105 5 1050 70 142 24 35
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 30 658 1250 1960 150 0.6 82 10.5 20.3 1675 2625 6600 648 19.9 4.3 55
  PPB  PPM  PPB  PPB  PPB  PPB  PPM  PPM  PPM  PPB  PPB  PPB  PPB  PPB  PPM  PPM  PPM