Sample ID: 02L-22-A
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: DACITE



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 75.13 0.3572626 12.351078 2.2864807 0.36747012 1.2555228 3.1541183 4.756696 0.16332005 0.040830012 2.03                                      
2003-024675 XRF WHOLE ROCK                       66 113 36 4 6 5 50 16 218 411 8 37 41 25 182 178 37 6 23


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 37 8 5 37 41 6 25 182 36 218 6 113 4 411 66 178 23 50
  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